2022 |
Guan H, Deng Z, Wang H, Xu X, Yang Y, Liu N, et al., 'Root-zone Periscope and its applications for investigating plant-soil water relations and transpiration modelling', EGU General Assembly 2022, Vienna, Austria (2022)
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2022 |
Love A, Xie Y, Simmons C, 'Transient uses of environmental tracers in a groundwater flow system', Goldschmidt2022 abstracts (2022)
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2021 |
Partington D, Thyer M, Shanafield M, McInerney D, Westra S, Maier HR, et al., 'Modelling hydrological change due to wildfires', Proceedings of the International Congress on Modelling and Simulation, MODSIM (2021)
Wildfires are an important hydrological disturbance altering runoff by the fire induced changes (from heat and smoke) to vegetation and soils. The damage to both vegetation and so... [more]
Wildfires are an important hydrological disturbance altering runoff by the fire induced changes (from heat and smoke) to vegetation and soils. The damage to both vegetation and soils creates immediate local changes to water portioning and associated runoff which can accumulate to catchment scale changes. Such changes are dynamic depend on the subsequent recovery of soils and regrowth/recovery of vegetation. As the prevalence of wildfires increases due to a warming and drying climate, such disturbances are a necessary consideration in the management and associated modelling of water resources. The impact of wildfires on water resources decisions comes not only in the immediate aftermath of the fires, but throughout the recovery phase and over extended periods with multiple cycles of wildfire and growth. Associated with these three timescales are pertinent hydrological issues, i.e. flood risk, water quality, water allocations and planning of reservoir operations. Modelling the wildfire induced hydrological impacts at each of these timescales requires a focus on the dominant processes; hydroclimate/meteorological, vegetation, hydrological, fire spread and effects; the latter here is only of significance in consideration of future fires. Focusing on different levels of abstractions of the dominant processes has resulted in a diverse set of approaches across existing models. Here, we explore some of the existing models in the literature that have been applied in assessing wildfire induced changes to runoff. For the purposes of comparison we broadly categorise these models into one of three categories: data-driven, conceptual and physically-based (eco-)hydrological models. We consider their demonstrated applications (assessing changes to streamflow and baseflow, historical analysis of pre- and post-fire periods of streamflow, predicting long term changes to yield), process representations (implicit vs explicit, lumped vs distributed) and spatiotemporal scales (from plot scales over days to watersheds over decades). Based on these characteristics and considering the computational requirements, data type breadth needed and the ability to predict wildfire impacts on runoff for different fires in the future, we describe the key limitations of each model category. With the significant changes to hydrological functioning that are possible after wildfire, physically-based models that utilize physical and biological principals are likely to receive increased attention with their perceived ability to extrapolate outside of the historical record. However, the computational and data costs of physically-based models are limiting the ability to completely support water resources planning. We argue that overcoming such limitations, while leveraging strengths, is possible through adoption of a hybrid modelling approach which combines computationally efficient conceptual models with reduced-order models. Such a hybrid approach would enable the requisite simulations of wildfire-induced changes to runoff for critical water resources planning scenarios.
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2021 |
Thyer MA, Gupta H, Westra S, McInerney D, Maier HR, Kavetski HR, et al., 'Accelerating development of the next generation of conceptual hydrological models to support decision-making under change', MODSIM2021 24th International Congress on Modelling and Simulation, Sydney, NSW (2021) |
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2021 |
Hughes J, Fienen M, Brunner P, Simmons C, Therrien R, 'Can large-scale models accurately represent pumping impact on streams?', AGU Fall Meeting 2021, New Orleans, LA (2021) |
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2021 |
McCallum JL, Noorduijn SL, Simmons C, 'Simulating the effects of faults on groundwater flow', First EAGE Workshop on Faults in Groundwater, CO2 and Hydrocarbons in Asia Pacific, Online (2021) |
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2020 |
Simmons C, Brunner P, Therrien R, Sudicky EA, 'Commemorating the 50th anniversary of the Freeze and Harlan (1969) Blueprint for a physically-based, digitally-simulated hydrologic response model', 22nd EGU General Assembly, Online (2020) |
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2020 |
Andersen M, Aureli A, Blake D, Boving T, Chambel A, Delaire C, et al., 'Groundwater Quality within the World Water Quality Assessment and its Relevance for the SADC Region', 3rd SADC Groundwater Conference 2020, Online (2020) |
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2020 |
Simmons C, 'In Honour of Distinguished Scientist and Seminal Hydrogeologist Professor Ghislain de Marsily', EGU Conference Abstracts, Online (2020) |
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2019 |
Dillon PJ, Page D, Vanderzalm J, Toze S, Simmons C, Martin R, et al., 'Retrospective on 10 years of risk-based guidelines for managed aquifer recharge', AGC2019 Book of Abstracts. Australasian Groundwater Conference: Groundwater in a Changing World, Brisbane, QLD (2019) |
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2019 |
Shanafield M, Cook PG, Simmons C, 'Water impacts from unconventional gas development: more than just fracking', AGC2019 Book of Abstracts. Australasian Groundwater Conference: Groundwater in a Changing World, Brisbane, QLD (2019) |
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2019 |
Xie Y, Dai X, Simmons C, Love A, 'Nested groundwater flow simulated through a fully coupled modelling approach', AGC2019 Book of Abstracts. Australasian Groundwater Conference: Groundwater in a Changing World, Brisbane, QLD (2019) |
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2019 |
Marshall SK, Cook PG, Konikow LF, Simmons C, Dogramaci S, 'Conjoint use of hydraulic head and groundwater age data to detect hydrogeologic barriers', AGC2019 Book of Abstracts. Australasian Groundwater Conference: Groundwater in a Changing World, Brisbane, QLD (2019) |
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2019 |
Turnadge C, Neupauer RM, Anderssen B, Crosbie RS, Simmons C, Batelaan O, 'Using an adjoint state approach to estimate cumulative streamflow depletion efficiently', AGC2019 Book of Abstracts. Australasian Groundwater Conference: Groundwater in a Changing World, Brisbane, QLD (2019) |
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2019 |
Shanafield M, Cook PG, Simmons C, 'Short and long-term water impacts from unconventional gas development: what are the odds?', American Geophysical Union, Fall Meeting 2019, San Francisco, CA (2019) |
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2019 |
Xu X, Guan H, Ajami H, Yang Y, Simmons C, 'Seasonal catchment water balance using storage-discharge relationships', Groundwater Management and Governance, 46th International Association of Hydrogeologists Congress, Malaga, Spain (2019) |
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2019 |
Simmons C, 'Groundwater Management and Governance: Science is Necessary but Insufficient', Groundwater Management and Governance, 46th International Association of Hydrogeologists Congress, Malaga, Spain (2019) |
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2019 |
Turnadge C, Neupauer RM, Anderssen RS, Batelaan O, Crosbie RS, Simmons C, 'Estimating cumulative streamflow depletion using an adjoint state approach', MODFLOW and More 2019: Groundwater Modeling and Beyond, Golden, Colorado (2019) |
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2018 |
Koohbor B, Fahs M, Belfort B, Ataie-Ashtiani B, Simmons CT, 'Fourier series solution for an anisotropic and layered configuration of the dispersive Henry Problem', 25TH SALT WATER INTRUSION MEETING (SWIM 2018), Gdansk, POLAND (2018) [E1]
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2018 |
Mozafari B, Fahs M, Ataie-Ashtiani B, Simmons CT, Younes R, 'On the use of COMSOL Multiphysics for seawater intrusion in fractured coastal aquifers', 25TH SALT WATER INTRUSION MEETING (SWIM 2018), Gdansk, POLAND (2018) [E1]
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2018 |
Xu X, Guan H, Skrzypek G, Simmons C, 'Plant Water Source Replenishment and Persistence in a Native Vegetated Catchment Under Mediterranean Climate', Asia Oceania Geosciences Society (AOGS) 15th Annual Meeting, Honolulu, Hawaii (2018) |
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2018 |
Wang H, Guan H, Gutierrez-Jurado H, Simmons C, 'Topographic Effects on the Environmental Controls of Tree Water Use in a Mediterranean Forest Catchment', Asia Oceania Geosciences Society (AOGS) 15th Annual Meeting, Honolulu, Hawaii (2018) |
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2018 |
Batelaan O, Beven K, Simmons C, Renard P, 'Audiovisual Recording of the History of Hydro(geo)logy', European Geosciences Union (EGU) General Assembly, Vienna, Austria (2018) |
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2018 |
Koohbor B, Fahs M, Ataie-Ashtiani B, Simmons C, Belfort B, Younes A, 'Global Sensitivity Analysis for seawater intrusion in fractured coastal aquifers: Effect of fractures aperture, location, density and hydraulic properties', Groundwater and Life: Science and Technology into Action, 45th International Congress of the International Association of Hydrogeologists, Daejeon, Korea (2018) |
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2018 |
Xie Y, Love A, Simmons C, Robinson N, Costar A, Wallis I, et al., 'Variations in groundwater flow systems due to changes in hydrologic regimes', Groundwater and Life: Science and Technology into Action, 45th International Congress of the International Association of Hydrogeologists, Daejeon, Korea (2018) |
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2017 |
Shalsi S, Miraldo Orden C, Curtis A, Simmons C, 'Collective action in groundwater management in practice Lessons learnt from the Angas Bremer irrigation district', Australasian Groundwater Conference, Sydney, Australia (2017) |
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2017 |
Xie Y, Crosbie R, Partington D, Cook PG, Simmons C, Batelaan O, 'Reliability of spatial patterns of groundwater recharge', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
McCallum J, Cook PG, Dogramaci S, Simmons C, 'The value of groundwater age in identifying temporal variability of recharge in the Pilbara region', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Dogramaci S, Grierson P, Simmons C, Skrzypek G, Cook PG, 'Ecohydrologic functioning of ephemeral streams', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Noorduijn S, Cook PG, Simmons C, 'Managing groundwater resources in the absence of numerical models', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Bouchez C, Cook PG, Partington D, Xie Y, Simmons C, 'Quantifying surface water groundwater exchanges in the Campaspe Catchment (MDB) from geochemical tracers', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Partington D, Knowling M, Simmons C, Cook PG, 'Worth of radon, electrical conductivity, and carbon-14 for the estimation of stream-aquifer exchange using a regional-scale groundwater model of the Campaspe River (Victoria, Australia)', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Poulsen D, Cook PG, McCallum J, Simmons C, Dogramaci S, 'Effects of intraborehole flow on purging and sampling long-screened or open wells', Australasian Groundwater Conference 2017, Sydney, Australia (2017) |
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2017 |
Shalsi S, Miraldo Orden C, Curtis A, Simmons C, 'Collective action in groundwater management Lessons learnt from the Angas-Bremer irrigation district, South Australia', Groundwater Heritage and Sustainability, 44th Annual Congress of the International Association of Hydrogeologists, Dubrovnik, Croatia (2017) |
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2017 |
Van Dam RL, Wood WW, Hyndman DW, Eustice BP, Simmons CT, 'Electrical Resistivity tomography to image convective flow in groundwater: Examples from the United Arab Emirates Sabkha', International Conference on Engineering Geophysics, Al Ain, United Arab Emirates, 9-12 October 2017 (2017)
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2017 |
Xie Y, Partington D, Cook PG, Simmons C, 'Uncertainty reduction in groundwater recharge through combined modelling', MODSIM2017: 22nd International Congress on Modelling and Simulation, Tasmania, Australia (2017) |
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2016 |
Alaghmand S, Brunner P, Graf T, Simmons C, 'Implication of density-dependent flow on numerical modelling of SW-GW interactions', Environmental Modelling and Software for Supporting a Sustainable Future, Proceedings - 8th International Congress on Environmental Modelling and Software, iEMSs 2016 (2016)
With the growing interest in the last decades in the modelling of hydrogeological processes involved in the water resources management, it has been recognized that the assumption ... [more]
With the growing interest in the last decades in the modelling of hydrogeological processes involved in the water resources management, it has been recognized that the assumption of constantproperties water is no longer adequate in the analysis and simulation of the flow considered in these cases. In recent years, many studies used simplistic approaches that may not represent the aquifer flow dynamics realistically by not accounting for changing fluid density. This study explore the importance of understanding the impact of density-dependent flow on SW-GW interactions. To this aim two synthetic models was developed at large and small scales and various scenarios were defined to explore the impact of density-dependent flow on drivers including river and aquifer salinity ratio, hydraulic gradient and river geometry. The results shows that simplifying by excluding density-dependent flow leads to overestimation of solute mass accumulation, and eventually groundwater salinity and limited freshwater lens. Also, the simulated model without density-dependent flow is not able to represent the unsaturated zone properly. However, these impacts are limited to the river banks. In the small scale, when simulated with density-dependent flow, large salinity ratio between river and aquifer can significantly influence both solute and flow dynamics. Moreover, mixed-convention was observed when hydraulic gradient was towards river. Overall, it was concluded that density-dependent flow play an essential role in SW-GW interaction and needs to be taken in to account where the river and aquifer have significant salinity difference, particularly at the vicinity of the river banks.
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2016 |
Irvine DJ, Kurylyk BL, Cartwright I, Banks EW, Post VEA, Simmons CT, Bonham M, 'GROUNDWATER FLOW ESTIMATION USING
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2016 |
Xie Y, Cook PG, Simmons C, Partington D, Crosbie R, Batelaan O, 'Uncertainty of Coupled Soil-Vegetation-Atmosphere Modelling Methods for Estimating Groundwater Recharge', 2016 AGU Fall Meeting, San Francisco, CA (2016) |
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2016 |
Gutierrez-Jurado HA, Guan H, Wang J, Wang H, Simmons C, Bras RL, 'On the coupled effect of topography, vegetation cover, and soil properties on the partition of water and energy fluxes of seasonally water-stressed ecosystems', 2016 AGU Fall Meeting, San Francisco, CA (2016) |
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2016 |
Knorr B, Maloszewski P, Krämer F, Xie Y, Simmons C, Wolny F, et al., 'Importance of immobile water for transport in porous aquifers', Groundwater and Society: 60 Years of IAH, 43rd International Congress of the International Association of Hydrogeologists, Montpellier, France (2016) |
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2016 |
Xu X, Guan H, Skrzypek G, Simmons C, 'Seasonal variation of water isotopes in throughfall and the soil-vegetation continuum on two opposite slopes in a Mediterranean climate and its implications', AOGS 13th Annual Meeting, Beijing, China (2016) |
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2016 |
Guan H, Wang H, Luo Z, Liu N, Zhang X, Simmons C, Cox S, 'On The Temperature Function In Jarvis Transpiration Model', AOGS 13th Annual Meeting, Beijing, China (2016) |
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2016 |
Xie Y, Cook PG, Shanafield M, Simmons C, Zheng C, 'Uncertainty of natural tracer methods for estimating river-aquifer exchange flux in the Heihe River, northwest China', Geophysical Research Abstracts, Vienna, Austria (2016) |
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2016 |
Pool M, Dentz M, Post VEA, Simmons C, 'Effects of temporal fluctuations on mixing', Geophysical Research Abstracts, Vienna, Austria (2016) |
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2015 |
Knorr B, Maloszewski P, Stumpp C, Simmons C, 'Density-driven flow in homogenous and dual-porosity column experiments', Aqua 2015: Hydrogeology: Back to the Future, Rome, Italy (2015) |
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2015 |
Dillon P, Vanderzalm J, Gonzalez D, Simmons C, Megdal S, Lawrie K, et al., 'Food and water banking, water insurance, and managed aquifer recharge; towards maximising utility of aquifers in populating areas with changing climate', Aqua 2015: Hydrogeology: Back to the Future, Rome, Italy (2015) |
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2015 |
Simmons C, Anderson MP, Bredehoeft JD, Freeze RA, Gorelick SM, Konikow LF, et al., 'Call for an International Strategic Plan for Groundwater', Aqua 2015: Hydrogeology: Back to the Future, Rome, Italy (2015) |
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2014 |
Guan H, Xu X, Skrzypek G, Simmons C, 'Plant Water Use and Environmental Stress on Two Opposite Slopes: from Water and Carbon Stable Isotopic Perspective', AGU 2014 Meeting Abstracts, San Francisco. California (2014) |
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2014 |
Guan H, Wang H, Simmons C, 'Modeling Environmental Controls on Tree Water Use at Different Temporal scales', AGU 2014 Meeting Abstracts, San Francisco. California (2014) |
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2014 |
Van Dam R, Eustice B, Hyndman D, Wood W, Simmons C, Simmons C, 'Electrical Resistivity Imaging and Hydrodynamic Modeling of Convective Fingering in a Sabkha Aquifer', 2014 EGU General Assembly Conference Abstracts, Vienna, Austria (2014) |
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2014 |
Simmons C, Huade G, Xiang X, Zhenyu D, Zijuan D, Hutson J, Ajami H, 'Responses of groundwater recharge to land-cover changes and climate variability', EGU General Assembly Conference Abstracts, Vienna, Austria (2014) |
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2014 |
Simmons C, 'Groundwater Challenges and Opportunities', IAH 2014 Congress: Groundwater: Challenges and Strategies, Marrakech, Morocco (2014) |
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2014 |
Liggett JE, Partington D, Frei S, Werner AD, Fleckenstein JH, Simmons C, 'Incorporating field measurements of flow and solute transport in a fully integrated, surface-subsurface catchment model', GSA 2014: Abstracts, Vancouver, British Columbia (2014) |
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2013 |
Kozuskanich J, Cook PG, Simmons C, 'Estimating groundwater recharge using the Vogel (1967) model: Applicability and error estimation in fractured geologic media', IAH 2013 Congress: Solving the Groundwater Challenges of the 21st Century, Perth, W. A (2013) |
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2013 |
Liggett J, Werner AD, Simmons C, 'The effect of dispersion on tracer-based hydrograph separation using a fully integrated, surface-subsurface, numerical modelling approach', IAH 2013 Congress: Solving the Groundwater Challenges of the 21st Century, Perth, W. A (2013) |
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2013 |
Pool M, Post V, Simmons C, 'Effects of temporal fluctuations on the width of the mixing zone in heterogeneous coastal aquifers', MODSIM2013 Proceedings, Adelaide, S. A (2013) |
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2013 |
Gutierrez-Jurado HA, Guan H, Wang H, Wang J, Bras RL, Simmons C, 'Quantifying evaporation and transpiration fluxes of an Eucalyptus woodland in complex terrain with varying tree cover using the Maximum Entropy Production model of evapotranspiration', 2013 AGU Fall Meeting Abstracts, San Francisco, California (2013) |
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2013 |
Guan H, Cook PG, Simmons C, Brunner P, Gutierrez-Jurado HA, Wang H, 'A Moisture-limited ET Upper Bound and Its Application in an Evaporation Pan Based Complementary-relationship Model for ET Estimation', 2013 AGU Meeting Abstracts, San Francisco, California (2013) |
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2013 |
McCallum JL, Engdahl NB, Cook PG, Simmons C, 'What can environmental tracer concentrations tell us about groundwater residence time?', AGU 2013 Meeting Abstracts, San Francisco, California (2013) |
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2013 |
Pool M, Post VEA, Simmons C, 'The impact of storativity on mixing in fluctuating groundwater flow', AGU 2013 Meeting Abstracts, San Francisco, California (2013) |
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2013 |
Guan H, He X, Ding Z, Simmons C, Hutson J, Love A, et al., 'Multivariate analysis-based modelling for selected environmental and resource problems in the Adelaide and Mount Lofty Ranges area', MODSIM2013 Proceedings, Adelaide, S. A (2013) |
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2013 |
Li L, Maier HR, Lambert MF, Partington D, Simmons C, 'Evaluating and improving simplified hydrologic models for baseflow and rainfall-runoff estimation using distributed physical models', MODSIM2013 Proceedings, Adelaide, SA (2013) |
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2013 |
Partington DJ, Maier HR, Brunner P, Simmons C, Werner AD, Therrien R, et al., 'Quantifying in-stream and overland flow generation mechanisms using fully integrated flow models', MODSIM2013: Proceedings, Adelaide, SA (2013) |
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2013 |
Pool M, Post V, Simmons C, 'Effects of temporal fluctuations on the width of the mixing zone in heterogeneous coastal aquifers', 40th International Association of Hydrogeologists (IAH) International Congress: Abstracts, Perth, W. A (2013) |
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2013 |
Herckenrath D, Simmons C, Werner AD, 'Groundwater system recovery in a coalbed methane production environment: transient hydraulic properties', 2013 NGWA Summit: Abstracts, San Antonio, TX (2013) |
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2013 |
Xie Y, Cook PG, Simmons C, 'Hydrogeologic and flow controls on solute transport in streams', 2013 NGWA Summit: Abstracts, San Antonio, TX (2013) |
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2013 |
Knowling MJ, Herckenrath D, Watson TA, Ordens CM, Hutson JL, Werner AD, Simmons C, 'Regional-scale seawater intrusion model conceptualisation: AEM-based hydrostratigraphy, one- dimensional recharge modelling and conceptual model uncertainties', 2013 NGWA Summit: Abstracts, San Antonio, TX (2013) |
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2012 |
Van Dam RL, Eustice BP, Wood WW, Hyndman DW, Simmons CT, 'Electrical resistivity imaging and fluid modeling of free convection in a coastal Sabkha', Society of Exploration Geophysicists International Exposition and 82nd Annual Meeting 2012, SEG 2012 (2012)
Free convection is a process by which mixing of fluids occurs over larger scales and at faster rates than Fickian transport; this process is of critical importance for a range of ... [more]
Free convection is a process by which mixing of fluids occurs over larger scales and at faster rates than Fickian transport; this process is of critical importance for a range of environmental issues. Despite decades of research, the understanding of this phenomenon still largely stems from theoretical studies, lab experiments, numerical modeling, and secondary field observations. In this contribution, we present a time-lapse field study of free convection in a coastal sabkha in the United Arab Emirates. Using electrical resistivity imaging data collected during three field campaigns, we demonstrate that free convection at this site originates from episodic large rainfall events that drive salt dissolution at the surface and infiltration of a dense brine to the water table. Our observations, including the rates of downward migration and dissipation of the dense fingers, are corroborated by hydrodynamic modeling of the system.
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2012 |
Li L, Partington D, Lambert MF, Maier HR, Simmons C, 'Sensitivity of Optimal Lyne and Hollick Filter Parameter to Catchment Area, Slope, Aspect Ratio and Saturated Hydraulic Conductivity', 34th Hydrology & Water Resources Symposium 2012: Abstracts, Sydney (2012) |
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2012 |
Lu C, Werner AD, Simmons C, 'Timescales of Freshwater-seawater Interface Movement in Response to Hydrological Variations', AGU 2012 Meeting Abstracts, San Francisco, CA (2012) |
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2012 |
Pierce SA, Jakeman A, El Sawah S, Figueroa E, Simmons C, Jenevin R, 'Linking Scientific Models to People: Decision Support Engine for Participatory Modelling Experiments and Engagement', EarthCube Workflows Roadmap: A Long Tail Workflow Paradigm Highlight, Virtual (2012) |
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2012 |
Xie Y, Simmons C, Hunt R, 'Insight into the uncertainty of free convection in porous media from the linear analysis', FEFLOW 2012: Abstracts, Berlin, Germany (2012) |
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2012 |
McCallum J, Cook PG, Simmons C, Werner AD, 'Bias of environmental tracer methods in heterogeneous aquifers', Geological Society of America Abstracts with Programs 2012, Charlotte, NC (2012) |
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2012 |
Halihan T, Dressler AK, Love AJ, Xie Y, Simmons C, Byrnes J, 'Numerical and Hydrogeophysical Model of Mount Toondina Impact Crater, South Australia', Geological Society of America Abstracts with Programs 2012, Charlotte, NC (2012) |
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2012 |
McCallum JL, Simmons C, Cook PG, Werner AD, Mariethoz G, 'Accuracy of environmental tracer techniques in assessing mean ages in synthetic heterogeneous media', IAH 2012 Congress: Confronting Global Change, Niagara Falls, Canada (2012) |
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2012 |
Kozuskanich J, Cook PG, Simmons C, 'Interpreting groundwater flow rates in highly heterogeneous fractured bedrock aquifers using environmental tracers,', IAH 2012 Congress: Confronting Global Change, Niagara Falls, Canada (2012) |
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2012 |
Kozuskanich J, Weatherill D, Novakowski K, Simmons C, 'Discretizing a discrete fracture model for the simulation of solute transport', IAH 2012 Congress: Confronting Global Change, Niagara Falls, Canada (2012) |
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2012 |
Guan H, Deng Z, Love AJ, Simmons C, 'Cautions in using chloride mass balance method for groundwater recharge estimation in coastal areas with vegetation changes', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Simmons C, Ataie-Ashtiani B, Werner AD, 'Effective permeability of density driven flow in binary porous media', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Ordens CM, Post V, Werner AD, Hutson JL, Simmons C, 'Influence of model conceptualization on one-dimensional recharge modeling - Uley South, Southern Eyre Peninsula, South Australia', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Liggett JE, Partington D, Simmons C, Werner AD, 'Relationship between stream flow delivery mechanisms and tracer-based hydrograph separation using a fully integrated, surface-subsurface, numerical modelling approach', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Ataie-Ashtiani B, Simmons C, Werner AD, 'Influence of boundary conditions on unstable density dependent flow', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Lu C, Werner AD, Simmons C, Luo J, 'Maximising Net Groundwater Extraction Using an Injection-Extraction Well Pair in a Coastal Aquifer', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Knowling M, Liggett JE, Werner AD, Simmons C, 'Guidance for efficient implementation of the surface-subsurface coupling approach in MODHMS', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Laattoe T, Post V, Werner AD, Simmons C, 'Spatially periodic boundaries in hyporheic zone numerical models', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Irvine D, Simmons C, Werner AD, Graf T, 'Quantitative evaluation and comparison of heat and solute tracers in heterogeneous aquifers', NGWA Ground Water Summit: Abstracts, Garden Grove, CA (2012) |
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2012 |
Lu C, Werner AD, Simmons C, Robinson NI, Luo J, 'An injection-extraction well pair: a possible strategy to enhance groundwater withdrawal in coastal aquifers', Proceedings of the 22th Salt Water Intrusion Meeting, Rio de Janiero, Brasil (2012) |
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2012 |
Ataie-Ashtiani B, Werner AD, Simmons C, 'Shape of Sea-side Boundary Influence on Interaction of Aquifer and Sea', Proceedings of the 22th Salt Water Intrusion Meeting, Rio de Janiero, Brasil (2012) |
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2012 |
Lu C, Werner AD, Simmons C, Luo J, 'A well pair for preventing seawater intrusion and enhancing groundwater extraction in coastal aquifers', WCO 2012: Abstracts, Dalian, China (2012) |
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2011 |
Li L, Maier HR, Lambert MF, Simmons CT, Partington D, 'Sensitivity of optimal baseflow filter parameter to catchment soil characteristics', 34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering (2011)
Baseflow estimation is an important problem in both low flow and flood hydrology and is commonly carried out using recursive filters. However, this approach is based solely on the... [more]
Baseflow estimation is an important problem in both low flow and flood hydrology and is commonly carried out using recursive filters. However, this approach is based solely on the observed streamflow hydrograph without consideration of physical catchment characteristics, such as soil properties, topography, vegetation and climate, etc. This paper investigates the performance of the commonly used Lyne and Hollick filter in baseflow separation for catchments with sandy soils with different properties. This is done by comparing the baseflow hydrographs obtained using the Lyne and Hollick filter with simulated baseflow from a 3D hypothetical catchment using the fully-integrated HydroGeoSphere model. In addition, the sensitivity of filter performance to different values of the Lyne and Hollick filter parameter is investigated. The results obtained indicate that the performance of the Lyne and Hollick filter varies significantly with soil characteristics and can be improved considerably by adjusting the Lyne and Hollick filter parameter based on soil characteristics.
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2011 |
Robinson NI, Sharp JMJ, Simmons C, 'Consideration of fracture skins in transport of solutes and contaminants', 8th IWA Symposium on Systems Analysis and Integrated Assessment, San Sebastián, Spain (2011) |
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2011 |
Brunner P, Irvine DJ, Hendricks Franssen HJ, Simmons C, 'Implications of simplifying heterogeneous streambeds in models simulating surface water groundwater interactions', 9th Swiss Geoscience Meeting, Zurich, Switzerland (2011) |
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2011 |
Dressler AK, Halihan T, Love AJ, Xie Y, Simmons C, 'A Hydrogeophysical Conceptual Model of Mount Toondina Impact Crater, South Australia', AGU Annual Meeting, San Francisco, CA (2011) |
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2011 |
Brunner P, Doherty J, Simmons C, 'How useful are head observations for constraining vadose zone models', European Geosciences Union General Assembly 2011, Vienna, Austria (2011) |
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2011 |
Irvine D, Brunner P, Hendricks Franssen HJ, Simmons C, 'Streambed heterogeneity and stream-aquifer connection: Implications of calibrating effective average parameter values', European Geosciences Union General Assembly 2011, Vienna, Austria (2011) |
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2011 |
Shanafield M, Cook PG, Brunner P, Simmons C, 'The influence of disconnection on aquifer response to surface water transience', GSA Annual Meeting, Minneapolis, USA (2011) |
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2011 |
Brunner P, Doherty J, Christensen S, Simmons C, 'To what extent does the degree of meaningful model complexity depend on observation data?', GSA Annual Meeting, Minneapolis, USA (2011) |
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2011 |
Irvine DJ, Werner AD, Simmons C, 'Quantitative evaluation and comparison of heat and solute tracers', GSA Annual Meeting, Minneapolis, USA (2011) |
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2011 |
Irvine D, Brunner P, Hendricks Franssen HJ, Simmons C, 'Using HydroGeoSphere to quantify the influence of streambed heterogeneity on surface water- groundwater interaction', HydroGeoSphere 2011 User s Conference, Hannover, Germany (2011) |
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2011 |
Vinodkumar GH, Simmons C, Bennett J, Ewenz C, 'Influence of parks on urban environment: a real case numerical study using WRF', International Workshop on Urban Weather and Climate: Observation and Modeling, Beijing, China (2011) |
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2011 |
Love AJ, Rousseau-Gueutin P, Karlstrom K, Crossey L, Purtschurt R, Priestly S, et al., 'Revisiting the hydrogeology of the western margin of the Great Artesian Basin, Australia', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Turnadge CJ, Werner AD, Simmons C, 'A Predictive Uncertainty-Based Analysis of Data Worth for a Simple Groundwater Model', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Banks EW, Brunner P, Simmons C, 'Effects of land clearance and revegetation on the state of connection between surface water and groundwater', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Wallis I, Prommer H, Pichler T, Post V, Simmons C, 'Quantification of arsenic mobility during aquifer storage and recovery (ASR) of potable water', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Xie Y, Simmons C, Werner AD, 'Temporal control on the generation of free convective instabilities in porous media', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Liggett JE, Werner AD, Simmons C, 'Sensitivity of coupled surface-subsurface flow to first- order exchange coefficient', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Knowling MJ, Liggett JE, Werner AD, Simmons C, 'Considerations for the simulation of surface-subsurface interactions in a block-centred code (MODHMS) using the surface conductance approach', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Van Roosmalen L, Minchin W, Cartwright I, Werner AD, Simmons C, 'Investigating surface water-groundwater interaction by combining the use of a large-scale, physically-based model and tracers', Joint congress of the 11th Australasian Environmental Isotope Conference and the 4th Australasian Hydrogeology Research Conference, Cairns, QLD (2011) |
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2011 |
Wallis I, Prommer H, Pichler T, Post V, Norton S, Annable M, Simmons C, 'Simulating arsenic fate during ASR of potable water', MODFLOW and More 2011: Integrated Hydrologic Modeling, Denver, Colorado (2011) |
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2011 |
Vinodkumar K, Bennett J, Ewenz C, Guan H, Simmons C, 'Spatial and temporal monitoring of urban heat island in Adelaide', Meteorological Society of New Zealand and the Australian Meteorological and Oceanographic Society Joint Conference on Extreme Weather 2011, Wellington, NZ (2011) |
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2011 |
Xie Y, Simmons C, Werner AD, Diersch H-JG, 'On the prediction of variable density flow phenomena in porous media', ModelCare 2011, Leipzig, Germany (2011) |
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2011 |
Wallis I, Prommer H, Post V, Pichler T, Norton S, Simmons C, Annable M, 'Modelling of Arsenic fate during ASR of potable water', ModelCare 2011, Leipzig, Germany (2011) |
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2010 |
Banks EW, Love AJ, Simmons CT, Shand P, 'Assessing surface water - Groundwater connectivity using hydraulic and hydrochemical approaches in fractured rock catchments, South Australia', Water-Rock Interaction - Proceedings of the 13th International Conference on Water-Rock Interaction, WRI-13 (2010)
In Australia, native vegetation clearance has had considerable impacts on surface water and groundwater salinities. The impact on surface water-groundwater connectivity is less un... [more]
In Australia, native vegetation clearance has had considerable impacts on surface water and groundwater salinities. The impact on surface water-groundwater connectivity is less understood. Ahydraulic, hydrochemical, and tracer-based study was conducted at two contrasting fractured rock catchments in South Australia. Results indicate that connectivity was variable across each of the catchments. The influence of the fractured rock aquifer was minimal in the pristine, uncleared Rocky River catchment, whereas in the cleared, mixed land-use Cox Creek catchment, the fractured rock aquifer played a more significant role. The results emphasise the need to understand the importance that the impacts of land-use change (particularly vegetation clearance) can have on surface water-groundwater connectivity. © 2010 Taylor & Francis Group, London.
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2010 |
Heinson G, Inverarity K, Pedler-Jones D, Costar A, Wurst S, McLean G, Simmons C, 'Locating groundwater resources for Aboriginal Communities in remote and arid parts of South Australia', Society of Exploration Geophysicists International Exposition and 80th Annual Meeting 2010, SEG 2010 (2010)
The aim of the research program, funded by the Geoscientists Without Borders?program, is to undertake geophysical surveys to locate groundwater resources for Aboriginal communitie... [more]
The aim of the research program, funded by the Geoscientists Without Borders?program, is to undertake geophysical surveys to locate groundwater resources for Aboriginal communities in remote and arid parts of South Australia. These communities currently rely on boreholes in deep-aquifers (> 50 m to the water table) within fractured rock for non-potable water supplies. Maintaining and developing existing groundwater supplies and identifying new resources are essential. In mid-2010 we will collect magnetotelluric (MT) data across an array of sites to image the three-dimensional (3D) electrical conductivity structure from the surface to a depth of 1 km or greater, and the anisotropy of electrical conductivity due to fracture alignment. Variability in conductivity both laterally, and with depth, will yield a better method of identifying groundwater resources to target boreholes, and hence reduce the number of dry wells. The research program will have three principal outcomes: 1. To determine optimal borehole locations for the Aboriginal communities to develop sustainable groundwater resources; 2. To better understand and make recommendations as to how MT instruments can be deployed to reduce the risk of drilling dry holes; and 3. To more fully understand how groundwater in fractured rock can be effectively imaged by electrical conductivity variability.
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2010 |
Wallis I, Prommer H, Simmons C, Stuyfzand P, Post V, Pichler T, 'Evaluation of conceptual and numerical models for arsenic mobilisation during managed aquifer recharge', 7th Annual International Symposium on Managed Aquifer Recharge, Abu Dhabi, UAE (2010) |
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2010 |
Guan H, Rofe C, Simmons C, Tomczak M, 'A Seven-Year Lag Correlation between Precipitation in South Australia and Antarctic Oscillation', 2010 AGU Western Pacific Geophysics Meeting, Taipei, Taiwan (2010) |
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2010 |
Guan H, Wilson JL, Makhnin O, Xie H, Hsu HH, Simmons C, Love AJ, 'A geostatistical model (PCASOA) for mountain precipitation characterisation and its hydroclimatological and hydrological applications', 2010 AGU Western Pacific Geophysics Meeting, Taipei, Taiwan (2010) |
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2010 |
Wallis I, Prommer H, Simmons C, Stuyfzand PJ, Post V, Pichler T, 'Evaluation of Conceptual and Numerical Model for Arsenic Mobilisation During Managed Aquifer Recharge', 2010 NGWA Ground Water Summit and 2010 Ground Water Protection Council Spring Meeting, Denver, Colorado (2010) |
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2010 |
Ordens CM, Werner AD, Alcoe DW, Hutson JL, Ward JD, Simmons C, 'Trigger-level versus flux-based management approaches applied to coastal aquifers', 21st Salt Water Intrusion Meeting (SWIM), Azores, Portugal (2010) |
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2010 |
Mortimer L, Aydin A, Simmons C, 'Toward a new paradigm for the Great Artesian Basin: hydrologic mixing, partitioned sub-basins, and mantle influences on groundwater quality', Australian Geothermal Energy Conference 2010, Adelaide, SA (2010) |
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2010 |
Xie Y, Simmons C, Werner AD, 'Speed of free convective fingering in groundwater', FEFLOW Down Under, 1st Australia & New Zealand FEFLOW Users Workshop, Sydney, Australia (2010) |
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2010 |
Wood WW, Simmons C, 'Evolution of Solutes in Coastal Sabkha Brines of the UAE', GSA Annual Meeting, Denver, Colorado (2010) |
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2010 |
Cook PG, Brunner P, Simmons C, Lamontagne S, 'What is a disconnected stream?', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Jakovovic D, Werner AD, Simmons C, 'A numerical modelling assessment of saltwater up-coning: comparison with experimental observations', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Guan H, Ding Z, Love AJ, Hutson JL, Simmons C, 'Estimating groundwater recharge in the coastal areas with vegetation changes', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Ding Z, Priestly S, Guan H, Simmons C, Love AJ, 'Canopy enhanced chloride deposition and its implication for applying chloride mass balance method in coastal areas', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Irvine D, Simmons C, Brunner P, 'Control of streambed heterogeneity on groundwater- surface water interaction for disconnected losing streams', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Banks EW, Simmons C, Love AJ, Shand P, 'Assessing Surface Water Groundwater Connectivity - From the Headwaters to the Sea, Kangaroo Island, South Australia', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Wolaver BD, Robinson NI, Love AJ, Simmons C, 'Estimating Aquifer Depths from Hot Spring Measurements of Outflow Temperatures and Flow Rates', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Xie Y, Simmons C, Werner AD, 'A stochastic analysis of density-driven solute transport in homogeneous porous media', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Ordens CM, Werner AD, Hutson JL, Simmons C, 'Integrating multiple approaches to groundwater recharge estimation for a topographically closed sedimentary aquifer: Uley South Basin, South Australia', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Rousseau-Gueutin P, Love AJ, Simmons C, 'Groundwater evaluation and modelling of fossil water', Groundwater 2010: The Challenge of Sustainable Management, Canberra, Australia (2010) |
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2010 |
Rousseau-Gueutin P, Love AJ, Simmons C, 'Effect of paleo-recharge on large regional scale groundwater systems in arid and semi-arid regions', International Conference on Transboundary Aquifers: Challenges and new directions, Paris, France (2010) |
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2010 |
Jakovovic D, Werner AD, Simmons C, 'Numerical modelling of saltwater up-coning: comparison with experimental observations', Marie Curie Conference, Venice, Italy (2010) |
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2010 |
Mortimer L, Aydin A, Simmons C, Love AJ, 'Determining the Directional Hydraulic Conductivity of a Rock Mass', World Geothermal Congress, Bali, Indonesia (2010) |
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2010 |
Graf T, Simmons C, Boufadel MC, Neuweiler I, 'Movement of dense plumes in variably saturated porous media: numerical model and results', XVIII Conference on Computational Methods in Water Resources (CMWR 2010), Barcelona, Spain (2010)
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2009 |
Partington D, Werner AD, Brunner P, Simmons CT, Dandy GC, Maier HR, 'Using a fully coupled surface water - groundwater model to quantify streamflow components', 18TH WORLD IMACS CONGRESS AND MODSIM09 INTERNATIONAL CONGRESS ON MODELLING AND SIMULATION, Cairns, AUSTRALIA (2009)
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2009 |
Wallis I, Prommer H, Post V, Stuyfzand P, Simmons C, 'Numerical evaluation of arsenic mobilisation during deepwell injection of aerobic groundwater into a pyritic aquifer', GEOCHIMICA ET COSMOCHIMICA ACTA, Davos, SWITZERLAND (2009) |
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2009 |
Wallis I, Prommer H, Post V, Stuyfzand P, Simmons C, 'Numerical evaluation of arsenic mobilisation during deepwell injection of aerobic groundwater into a pyritic aquifer', Geochimica et Cosmochimica Acta (2009) |
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2009 |
Love A, Rousseau-Gueutin P, Simmons C, Karlstrom K, Crossey L, Shand P, Priestly S, 'Toward a new paradigm for the Great Artesian Basin: hydrologic mixing, partitioned sub-basins, and mantle influences on groundwater quality', 2009 GSA Annual Meeting, Portland, Oregon (2009) |
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2009 |
Zlotnik VA, Robinson NI, Simmons C, 'Comparing hydraulic mechanisms controlling salinity of closed lakes in semiarid climates', 2009 GSA Annual Meeting, Portland, Oregon (2009) |
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2009 |
Guan H, Love AJ, Simmons C, Priestley S, Ding Z, Kayaalp A, et al., 'Characterization of chloride deposition in a coastal hilly area and its implication for the land-surface effect on aerosol removal', 2nd Integrated Land Ecosystem-Atmosphere Study (iLEAPS) Science Conference, Melbourne, Australia (2009) |
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2009 |
Therrien R, Brunner P, Simmons C, Cook PG, 'Physically-based modeling of water exchange between surface water and groundwater: Conceptual and applied simulations', AGU Fall Meeting, San Francisco, CA (2009) |
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2009 |
Graf T, Diersch H-JG, Simmons C, 'On the existence of oscillatory-convective thermohaline flow in sedimentary basins', AGU-IAH Joint Assembly, Toronto, Canada (2009) |
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2009 |
Rousseau-Gueutin P, Love AJ, Simmons C, Priestly S, Wohling D, Fulton S, 'Effect of paleo-recharge on large regional scale groundwater systems in arid and semi-arid regions', Australian Society for Limnology Congress 2009, Alice Springs, Australia (2009) |
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2009 |
Love AJ, Crossey L, Karlstrom K, Rousseau-Gueutin P, Wolaver B, Priestly S, et al., 'Towards a new hydrogeological model of the Great Artesian Basin', Australian Society for Limnology Congress 2009, Alice Springs, Australia (2009) |
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2009 |
Wallis I, Prommer H, Simmons C, Post VEA, Stuyfzand P, 'Development and numerical evaluation of conceptual models for arsenic mobilisation and attenuation during aquifer recharge,', Goldschmidt 2009, Davos, Switzerland (2009) |
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2009 |
Xie Y, Simmons C, Werner AD, Ward JD, 'Free Convection in Porous Media under Periodic Solute Loading', Joint congress of the 10th Australasian Environmental Isotope Conference and the 3rd Australasian Hydrogeology Research Conference, Perth, WA (2009) |
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2009 |
Ding Z, Guan H, Hutson JL, Love AJ, Simmons C, 'Dynamic hydrochemical response to land-use changes: implication for CMB recharges estimation', Joint congress of the 10th Australasian Environmental Isotope Conference and the 3rd Australasian Hydrogeology Research Conference, Perth, WA (2009) |
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2009 |
Jakovovic D, Werner AD, Simmons C, 'A numerical modelling assessment of saltwater up- coning: comparison with experimental observations', Joint congress of the 10th Australasian Environmental Isotope Conference and the 3rd Australasian Hydrogeology Research Conference, Perth, WA (2009) |
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2009 |
Guan H, Bardsley E, Simmons C, Cook PG, 'Monitoring soil moisture and water fluxes using a geological weighing lysimeter under a complex surface condition', Sixth International Scientific Conference on the Global Energy and Water Cycle, Melbourne, Australia (2009) |
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2008 |
Massmann G, Love A, Simmons C, James-Smith J, Herzceg A, 'Discharge of saline groundwater into a freshwater stream - River Murray, Australia', IAHS-AISH Publication (2008)
Salinization of water resources is a major problem on a global scale. In the Loxton-Bookpurnong irrigation area (South Australia) saline groundwater is pushed towards the river by... [more]
Salinization of water resources is a major problem on a global scale. In the Loxton-Bookpurnong irrigation area (South Australia) saline groundwater is pushed towards the river by advective flow. Groundwater was sampled from beneath the river. In all cases, fresh river water overlies saline groundwater, a stable stratification with regard to the fluid density. The salinities encountered partly exceed those of seawater. Modelling was done to determine what role variable-density flow behaviour plays in surface water-groundwater interaction in a stably-stratified fresh surface water-saline groundwater interface. Comparison of measured and simulated concentrations vs depth profiles reveals a qualitative resemblance of the profiles for simulations where density was the dominating force. The clear stratification of fresh over saline water, with a sharp increase at a certain depth, leads to the hypothesis that the high density of the fluid may partly suppress discharge in stagnant pockets below the river. Copyright © 2008 IAHS Press.
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2008 |
Passfield G, Doble R, Simmons C, 'Do artificial wetting and drying cycles for lower Murray wetlands prevent salt accumulation?', 2nd International Salinity Forum: Salinity, Water and Society Global issues, local action, Adelaide, SA (2008) |
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2008 |
Cartwright I, Weaver TR, Simmons C, Fifield LK, Lawrence CR, Chisari R, Varley S, 'Origins of fresh groundwater lenses in the Murray Basin and implications for sustainable use', 36th Congress of IAH, Integrating Groundwater Science and Human Well-being, Toyama City, Japan (2008) |
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2008 |
Crosbie RS, Jolly ID, McEwan KL, Holland KL, Lamontagne S, Grotthing Moe K, Simmons C, 'Surface water groundwater interactions in River Murray wetlands and implications for water quality and ecology', HydroPredict 2008, Prague, Czech Republic (2008) |
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2008 |
Brunner P, Cook PG, Simmons C, 'A method to assess the state of disconnection between surface water and groundwater', HydroPredict 2008, Prague, Czech Republic (2008) |
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2008 |
Mortimer L, Love AJ, Aydin A, Simmons C, 'Primary and Secondary Controls on Fracture and Fracture Permeability Development: An Example from the Fractured Rock Aquifers of the Clare Valley', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Cook PG, Wood C, Powell L, Bowden E, White T, Brunner P, Simmons C, 'Estimating groundwater inflow to a shallow, poorly-mixed wetland using environmental tracers', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Baird D, Le Gal La Salle C, Love AJ, Simmons C, 'Groundwater Residence Time and Flow Velocity in Confined Tertiary Aquifers of the Northern Adelaide Plains, South Australia', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Brunner P, Simmons C, Cook PG, 'The Transition from Connected to Disconnected Losing Streams: Conceptual Approaches and Numerical Simulations', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Partington D, Simmons C, Werner AD, Maier HR, Dandy GC, 'A Review of Modelling Surface Water: Groundwater Interactions in and around Deep Drains with Weirs', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Ward J, Simmons C, Dillon PJ, 'Density Considerations in the Modelling of Aquifer Storage and Recovery (ASR)', Proceedings of Water Down Under 2008, Adelaide, SA (2008) |
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2008 |
Simmons C, Post V, 'Free convective controls on sequestration of salts into low-permeability strata: Insights from sand tank laboratory experiments and numerical modelling', 2008 AGU Fall Meeting, San Francisco, CA (2008) |
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2008 |
Sharp JMJ, Stevens JD, Simmons C, Fenstemaker TR, 'Evaporation-induced free convection beneath wind-tidal flats', 2008 AGU Fall Meeting, San Francisco, CA (2008) |
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2008 |
Hyndman DW, Van Dam RL, Simmons C, Wood WW, 'Geophysical Imaging of Natural Free Convection in a sabkha aquifer near Abu Dhabi, UAE', 2008 AGU Fall Meeting, San Francisco, CA (2008) |
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2008 |
Mortimer L, Love AJ, Aydin A, Simmons C, 'Primary and Secondary Controls on Fracture and Fracture Permeability Development', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Guan H, Love AJ, Simmons C, 'Characterization of orographic effects on rain water isotope distribution in the Mount Lofty Ranges, South Australia', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Banks EW, Love AJ, Simmons C, Shand P, 'Assessing Connectivity Between a Fresh Water River and Saline Aquifer in a Pristine Catchment, Kangaroo Island, South Australia', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Love AJ, Simmons C, Massmann G, Herczeg AL, Fifield LK, 'Saline groundwater discharge into a fresh river: First measurements at the river discharge point, River Murray, Australia', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Weatherill D, Simmons C, Cook PG, 'Using Dipole Tracer Tests to Predict Solute Transport in Fractured Rock', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Guan H, Simmons C, Brunner P, Cook PG, 'Examination of areal evaporation and wetland evaporation based on the complementary concept and its implication for irrigation and wetland sustainability', 2008 Western Pacific Geophysics Meeting, Cairns, Australia (2008) |
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2008 |
Van Dam RL, Simmons C, Hyndman DW, Wood WW, 'Geophysical Characterization of Natural Free Convection in a Coastal Sabkha', Geological Society of America, Houston, Texas (2008) |
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2008 |
Graf T, Simmons C, 'Quantification of variable-density groundwater flow and solute transport in fractured rock: A modification of the Tang et al. [1981] problem', Geophysical Research Abstracts, Vienna, Austria (2008) |
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2008 |
Post V, Simmons C, 'Salinization by Free Convection in Heterogeneous Aquifers: Results from a Numerical Modeling Study', Proceedings of the 20th Salt Water Intrusion Meeting (SWIM), Naples, Florida (2008) |
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2008 |
Voss CI, Simmons C, Weatherill D, Robinson NI, 'Benchmarks for Two- And Three- Dimensional Variable-Density Ground-Water Flow Simulators: Analytical Expressions for Unstable Convection', Proceedings of the 20th Salt Water Intrusion Meeting (SWIM), Naples, Florida (2008) |
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2007 |
Cook PG, Wood C, White T, Simmons C, 'Estimating groundwater discharge to lake and wetland ecosystems using environmental tracers', International Association of Hydrogeologists XXXIV IAH Congress Groundwater and Ecosystems , Lisbon, Portugal (2007) |
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2007 |
Wood C, Cook PG, Simmons C, White T, 'The combined use of seepage meters and radon- 222 to quantify groundwater fluxes in a wetland', Ozwater 2007. Australian Water Association (AWA) Ozwater Convention & Exhibition, Sydney, NSW (2007) |
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2007 |
Simmons C, Bauer-Gottwein P, Graf T, Kinzelbach W, Kooi H, Li L, et al., 'Variable density groundwater flow: From modelling to applications', Proceedings of the International Workshop on Water and Development Information for Arid Lands A Global Network (G-WADI) Workshop on Arid Zone Hydrology Modelling, Lanzhou, China (2007) |
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2007 |
Ward J, Simmons C, Dillon PJ, 'Density-dependent modelling of Aquifer Storage & Recovery in anisotropic and heterogeneous aquifers', ISMAR6: The Sixth Annual International Symposium on Managed Aquifer Recharge, Phoenix, Arizona (2007) |
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2007 |
Shand P, Love AJ, Simmons C, Banks E, Wilson TC, 'Towards a better conceptual understanding of groundwater surface water interactions in fractured rock catchments', IUGG Conference XXIV, Perugia, Italy (2007) |
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2007 |
Massmann G, Love AJ, Simmons C, Shand P, James-Smith J, Berens V, Ward J, 'Mechanisms of saline groundwater discharge into the River Murray Australia', IUGG Conference XXIV, Perugia, Italy (2007) |
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2007 |
Love AJ, Simmons C, Shand P, Massmann G, 'Groundwater and surface water interactions: Past achievements and future challenges', IUGG Conference XXIV, Perugia, Italy (2007) |
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2006 |
Doble R, Simmons C, Jolly ID, Walker GR, 'Modelling spatial patterns of groundwater evapotranspiration and salt accumulation on semi-arid floodplains: implications for riparian vegetation health', 10th Murray-Darling Basin Groundwater Workshop, Canberra, ACT (2006) |
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2006 |
Charles AH, Grotthing Moe K, Jolly ID, Holland KL, Overton I, Simmons C, 'Controls on the efficiency of lateral recharge from managed wetland flooding and its impact on vegetation health', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Weatherill D, Simmons C, Cook PG, 'Using dipole tracer tests to predict solute transport in fractured rock', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Green GP, Hutson JL, Dillon PJ, Simmons C, 'Temporal variations in soil water fluxes to a shallow water table under irrigated horticultural land', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Abu Risha UA, Love AJ, Simmons C, Sampson L, 'The Groundwater Sources of Dalhousie Springs', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Grotthing Moe K, Charles AH, Holland KL, Jolly ID, Simmons C, 'Spatial variability of surface water-groundwater interactions in a floodplain wetland, lower River Murray', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
White TT, Cook PG, Simmons C, Wood C, 'Characterising surface water-groundwater interactions in a wetland by determining the radon production rate in sediments and modelling diffusive radon flux', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Wood C, Cook PG, Simmons C, White T, 'The use of seepage meters to quantify groundwater fluxes in a wetland', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Ward J, Simmons C, Dillon PJ, 'Modelling ASR: When should we consider density effects?', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Baird D, Le Gal La Salle C, Love AJ, Simmons C, 'Reconstructing Natural Groundwater Flow and Geochemical Processes in a Perturbed Multi-layer Aquifer System', Dijon, France (2006) |
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2006 |
Simmons C, 'Henry Darcy (1803 1858): Immortalised by his scientific legacy', Dijon, France (2006) |
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2006 |
Simmons C, 'Accelerated groundwater management along the western margin of the Great Artesian Basin', Alice Springs, NT (2006) |
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2006 |
Mercer SLT, Simmons C, Love AJ, 'Mapping water and salt movement within the Katarapko Island Disposal Basin; a multidisciplinary field scale approach', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2006 |
Pavelic P, Dillon PJ, Simmons C, 'Dynamics of flow and solute transport during aquifer storage and recovery at the Bolivar trial site', Joint congress of the 9th Australasian Environmental Isotope Conference and the 2nd Australasian Hydrogeology Research Conference, Adelaide, SA (2006) |
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2005 |
Love AJ, Simmons C, Massmann G, James-Smith J, Berens V, Herczeg AL, et al., 'Saline groundwater discharge mechanisms into the River Murray', Joint NZHS-IAH-NZSSS Conference, Auckland, NZ (2005) |
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2005 |
Baird D, Le Gal La Salle C, Love AJ, Simmons C, 'Reconstructing natural groundwater flow in a perturbed multi-layer aquifer system', Wellington, NZ (2005) |
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2004 |
Weatherill D, Simmons C, Cook PG, Robinson NI, 'On the use of dipole tracer tests to predict solute transport in fractured rock', Inaugural Australasian Hydrogeology Research Conference, Melbourne, Vic (2004) |
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2004 |
Voss CI, Simmons C, Weatherill D, Robinson NI, 'Analytical expressions as benchmarks for unstable convection in two- and three-dimensional variable-density ground-water flow simulators', Proceedings of the 18th Salt Water Intrusion Meeting (SWIM), Cartagena, Spain (2004) |
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2004 |
Walker GR, Doble RC, Jolly ID, Simmons C, 'Methods of predicting the impacts of shallow saline groundwater on vegetation health using MODFLOW 2000', Proceedings of the 9th Murray Darling Basin Groundwater Workshop, Bendigo, Vic (2004) |
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2004 |
James-Smith J, Love AJ, Berens V, Graham T, Holmes K, Herczeg AL, et al., 'Groundwater contributions to the River Murray: Identified by instream coring and hydrochemistry, Loxton South', Melbourne, Vic (2004) |
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2004 |
Doble R, Simmons C, Walker GR, 'Improving traditional groundwater modelling approaches for floodplain vegetation management', Melbourne, Vic (2004) |
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2004 |
Love AJ, Cook PG, Simmons C, Herczeg AL, Harrington GA, 'Predicting groundwater flow rates in fractured rock aquifers: issues of scale and parameter estimation', Melbourne, Vic (2004) |
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2003 |
Doble R, Walker GR, Jolly ID, Simmons C, 'Predicting the impacts of shallow saline groundwater on vegetation health: A MODFLOW 2000 module for alternating ET and recharge', Proceedings of MODFLOW and More 2003 International Ground Water modeling conference Understanding through modeling , Golden, Colorado (2003) |
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2003 |
Love AJ, Cook PG, Simmons C, 'Well dilution: A new method to identify flow zones and relative horizontal flow rates in a well', Proceedings of the International Conference on Groundwater in Fractured Rocks, Prague, Czech Republic (2003) |
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2003 |
Simmons C, Voss CI, Weatherill D, 'Analytical solution benchmarks for unstable convection in two- and three-dimensional variable-density ground-water flow simulators', Zurich, Switzerland (2003) |
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2003 |
Dhu T, Heinson G, Simmons C, Greenhalgh S, Halihan T, 'Environmental monitoring using electrical resisitivity tomography', Adelaide, SA (2003) |
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2002 |
Doble RC, Jolly ID, Simmons C, Walker GR, 'Predicting the extent of salinity on floodplains and its effect on floodplain vegetation, with examples from the lower River Murray', International Conference on Prospects for Biodiversity and Rivers in Salinising Landscapes, Albany, Western Australia (2002) |
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2002 |
Pavelic P, Dillon PJ, Simmons C, 'Lumped parameter estimation of initial recovery efficiency during aquifer storage and recovery', Management of Aquifer Recharge for Sustainability. Proceedings of the 4th International Symposium on Artificial Recharge, Adelaide, SA (2002) |
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2002 |
Sharp JM, Simmons C, 'Density-driven flow and transport in heterogeneous geologic systems', Denver, Colorado (2002) |
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2001 |
Simmons CT, Pierini ML, Hutson JL, 'Variable-density flow dynamics in unsaturated-saturated porous media', NEW APPROACHES CHARACTERIZING GROUNDWATER FLOW, VOLS 1 AND 2, MUNICH, GERMANY (2001) |
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2001 |
Huang J, Simmons C, 'Variable density flow and contaminant transport in saturated unsaturated porous media', 5th Environmental Engineering Research Event, Noosa, QLD (2001) |
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2001 |
Simmons C, 'Hydrogeologic Heterogeneity: Out of sight, not out of mind', 5th Environmental Engineering Research Event, Noosa, QLD (2001) |
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2001 |
Pavelic P, Dillon PJ, Martin R, Traeger B, Simmons C, 'Multi-scale characterisation of hydraulic conductivity of a confined carbonate aquifer targeted for aquifer storage and recovery', New approaches characterising groundwater flow. Proceedings of the IAH XXXI Congress 2001, Munich, Germany (2001)
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2001 |
Whyatt R, Jolly I, Telfer A, Simmons C, Walker GR, 'Limitations in modelling salt storage in floodplains: Bookpurnong Irrigation Area case study', Victor Harbour, SA (2001) |
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2001 |
Simmons C, Voss CI, Woods JA, Prasad A, 'Benchmarking variable-density groundwater flow and solute transport models: Approaches, Resolutions and Future Challenges', Essaouira, Morocco (2001) |
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2001 |
Burden J, Heinson G, White A, Simmons C, 'Geophysical Investigation of Saline Plumes at Lake Ranfurly, Mildura, Victoria', Bendigo, Vic (2001) |
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2000 |
Simmons CT, Sharp JM, 'On variable-density groundwater flow in heterogeneous porous media', GROUNDWATER: PAST ACHIEVEMENTS AND FUTURE CHALLENGES, CAPE TOWN, SOUTH AFRICA (2000)
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1999 |
Simmons C, Hee Hong Wye D, Cook PG, 'Modeling Signal Propagation and Well Response in Porous and Fractured Rock Aquifers', Proceedings of the International Symposium on Dynamics of Fluids in Fractured Rocks: Concepts and Recent Advances, Berkeley, California (1999) |
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1999 |
Cook PG, Love AJ, Simmons C, 'Measuring Groundwater Flow in Fractured Rocks with Environmental Isotopes, Clare Valley, South Australia', Proceedings of the International Symposium on Dynamics of Fluids in Fractured Rocks: Concepts and Recent Advances, Berkeley, California (1999) |
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1999 |
Love AJ, Cook PG, Halihan T, Simmons C, 'Estimating groundwater flow rates in a fractured rock aquifer, Clare Valley, South Australia', Proceedings of the Joint Congress of the 25th Hydrology and Water Resources Symposium and the 2nd International Conference on Water Resources and Environment Research Water 99 , Brisbane, Australia (1999) |
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1999 |
Prasad A, Simmons C, Narayan KA, 'On the use of the Rayleigh number in variable-density groundwater flow problems', Proceedings of the Joint Congress of the 25th Hydrology and Water Resources Symposium and the 2nd International Conference on Water Resources and Environment Research Water 99 , Brisbane, Australia (1999) |
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1999 |
Woods JA, Teubner MD, Simmons C, Narayan KA, 'Numerical inaccuracy in groundwater modelling: Diagnosis and Pathology', Proceedings of the Joint Congress of the 25th Hydrology and Water Resources Symposium and the 2nd International Conference on Water Resources and Environment Research Water 99 , Brisbane, Australia (1999) |
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1999 |
Simmons C, Hee Hong Wye D, Cook PG, Love AJ, 'Signal propagation and periodic response in aquifers: The effect of fractures and signal measurement methods', Proceedings of the Joint Congress of the 25th Hydrology and Water Resources Symposium and the 2nd International Conference on Water Resources and Environment Research Water 99 , Brisbane, Australia (1999) |
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1999 |
Simmons C, Sharp JMJ, Robinson NI, 'Density-driven free convection in zones of inverted salinity through fractured low-permeability units in the Gulf of Mexico Basin, Texas, USA', Proceedings of the Joint Congress of the 25th Hydrology and Water Resources Symposium and the 2nd International Conference on Water Resources and Environment Research Water 99 , Brisbane, Australia (1999) |
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1999 |
Love AJ, Cook PG, Herczeg AL, Simmons C, 'Environmental tracers as indicators of groundwater flow and evolution in a fractured rock aquifer, Clare Valley, South Australia', Vienna, Austria (1999) |
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1999 |
Simmons C, Yan W, Narayan KA, 'Characterisation and ranking of saline disposal basins in the Murray Basin of Australia', Proceedings of the Murray Darling Basin Groundwater Workshop 1999, Griffith, NSW (1999) |
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1999 |
Simmons C, Fenstemaker TR, Sharp JM, 'Thermohaline convection near the region of fluid over-pressurization in the Gulf of Mexico Basin, South Texas', Lubbock, Texas (1999) |
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1998 |
Simmons CT, Woods JA, Narayan KA, 'Density-dependent groundwater hydrodynamic beneath a saline disposal basin', COMPUTATIONAL TECHNIQUES AND APPLICATIONS: CTAC 97, ADELAIDE, AUSTRALIA (1998) |
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1998 |
Cook PG, Love AJ, Herczeg AL, Simmons C, 'Investigation of groundwater flow in fractured rock using environmental tracers: Clare Valley, South Australia', Proceedings of the International Assocation of Hydrogeologists International Groundwater Conference, Melbourne, Australia (1998) |
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1998 |
Love AJ, Cook PG, Herczeg AL, Simmons C, Morton D, 'Hydraulic and chemical processes in fractured rock aquifers: Clare Valley, South Australia', Proceedings of the International Assocation of Hydrogeologists International Groundwater Conference, Melbourne, Australia (1998) |
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1998 |
Simmons C, Narayan KA, 'Density-induced groundwater flow and solute transport in regions containing saline disposal basins', Proceedings of the International Association of Hydrogeologists International Groundwater Conference, Melbourne, Australia (1998) |
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1998 |
Woods JA, Simmons C, Narayan KA, 'Verification of black-box groundwater models', Proceedings of the Third Biennial Engineering Mathematics and Applications Conference EMAC '98, Adelaide, SA (1998) |
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1998 |
Fenstmaker TR, Sharp JM, Simmons C, McKenna TE, 'Effects of heterogeneity in salinity, pressure, and permeability on thermohaline convection in the Gulf of Mexico Basin, South Texas', American Geophysical Union: Fall Meeting. Abstracts, San Francisco, CA (1998) |
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1998 |
Sharp JM, Fenstemaker TR, Simmons C, 'Density-driven free convection through low- permeability units of the Gulf of Mexico basin, South Texas example', International Annual Meeting of the Geological Society of America: Program and Abstracts, Toronto, Canada (1998) |
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1998 |
Simmons C, 'Salinity in the Murray-Darling Basin of Australia: What are the disposal options and how effective are they?', International Annual Meeting of the Geological Society of America: Program and Abstracts, Toronto, Canada (1998) |
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1998 |
Simmons C, Narayan CT, Wooding RA, 'On the generation of density-driven instabilities in heterogeneous porous media', Proceedings of the USA National Groundwater Association s 50th Year Anniversary National Convention and Exposition. Dealing with Hydrogeologic Heterogeneity: Resolutions and Remaining Limitations, Las Vegas, NV (1998) |
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1998 |
Simmons C, Narayan KA, Christen EW, 'Evaporation basins: understanding the processes for siting, design and management', Urban salinity : a snapshot of the future : conference proceedings, Wagga Wagga, N.S.W (1998) |
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1997 |
Simmons C, Sharp Jr JM, McKenna TE, 'How effective are shales in retarding fluid flow and solute transport in the Gulf of Mexico Basin? Modeling thermohaline convective and diffusional transport', Abstracts: 1997 AAPG Annual Convention, Dallas, TX (1997) |
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1997 |
Simmons C, Sharp Jr JM, 'Potential density-driven flow in zones of inverted salinity, Gulf of Mexico Basin, Texas', Geological Society of America. Annual Meeting: Program and Abstracts, Salt Lake City, Ut (1997) |
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1997 |
Cook PG, Love AJ, Simmons CT, Solomon KP, 'Groundwater ages in fractured rock aquifers, Clare Valley, South Australia', Geological Society of America. Annual Meeting: Program and Abstracts, Salt Lake City, Ut (1997) |
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1997 |
Simmons C, Narayan KA, Woods JA, 'Density-induced flow and solute transport below the Mourquong Saline Disposal Basin, New South Wales', Proceedings: Murray Darling Basin Workshop, Toowoomba, QLD (1997) |
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1996 |
Simmons C, Narayan KA, 'Modelling density induced convection processes in regions containing saline disposal basins', Calibration and Reliability in Groundwater Modelling. Proceedings of the ModelCARE 96 Conference, Golden, Colorado (1996) |
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1996 |
Simmons C, Narayan KA, Wooding RA, 'Numerical modelling of convection processes below an evaporating salt lake', Proceedings of the International Hydrology and Water Resources Symposium, Water and the Environment, Hobart, Tasmania (1996) |
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1996 |
Simmons C, Narayan K, 'Modelling density-induced flow and solute transport in regions containing saline disposal basins: Lake Tutchewop case study', Calibration and Reliability in Groundwater Modelling: Proceedings of the ModelCARE 96 Conference, Golden, Colarado (1996) |
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1995 |
Simmons C, Narayan KA, 'Modelling density induced flow and solute transport in regions containing saline disposal basins: Lake Tutchewop case study', Proceedings of the Murray Darling 1995 Workshop, Wagga Wagga, N. S. W (1995) |
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1994 |
Narayan KA, Simmons CT, 'Density dependent groundwater flow and solute transport below a saline lake bed', National Conference Publication - Institution of Engineers, Australia (1994)
The movement of salt from a saline lake bed/evaporation basin to the underlying groundwater system is investigated. The density dependent flow behaviour has been modelled in cross... [more]
The movement of salt from a saline lake bed/evaporation basin to the underlying groundwater system is investigated. The density dependent flow behaviour has been modelled in cross section using a 2-D finite element model SUTRA. Due to the inherent salinity contrast between the saline lake brine and groundwater, the system is characterised by a state of density stratification which is the major cause of the resulting instability. Mixed convection flow (hydraulically and buoyancy-driven) occurs which subsequently controls the solute concentrations below the lake bed in order to achieve a stable density gradient (Rayleigh convection). This type of flow regime is particularly relevant to saline disposal basins in the Murray Darling Basin of Australia. Numerical examples simulating 2-D brine convection from lake bed salt, taking moderate 102 to high 105 Rayleigh numbers are given. The conditions which define the onset of such convective phenomena are investigated. Rayleigh number analysis of the convective flow is employed and is seen to be an extremely powerful tool for predicting the long term behaviour of saline evaporation basins.
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