| 2024 |
Sharan A, Datta B, Lal A, Kotra KK, 'Management of saltwater intrusion using 3D numerical modelling: a first for Pacific Island country of Vanuatu.', Environ Monit Assess, 196 120 (2024) [C1]
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Nova |
| 2024 |
Davamani V, John JE, Poornachandhra C, Gopalakrishnan B, Arulmani S, Parameswari E, et al., 'A Critical Review of Climate Change Impacts on Groundwater Resources: A Focus on the Current Status, Future Possibilities, and Role of Simulation Models', ATMOSPHERE, 15 (2024) [C1]
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Nova |
| 2023 |
Sharan A, Datta B, Lal A, 'Integrating numerical modelling and scenario-based sensitivity analysis for saltwater intrusion management: case study of a complex heterogeneous island aquifer system.', Environ Monit Assess, 195 553 (2023) [C1]
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Nova |
| 2023 |
Sharan A, Lal A, Datta B, 'Evaluating the impacts of climate change and water over-abstraction on groundwater resources in Pacific island country of Tonga', Groundwater for Sustainable Development, 20 100890-100890 (2023) [C1]
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| 2021 |
Lal A, Datta B, 'Optimal pumping strategies for the management of coastal groundwater resources: application of Gaussian Process Regression metamodel-based simulation-optimization methodology', ISH Journal of Hydraulic Engineering, 27 136-145 (2021)
The present study utilizes a coupled simulation-optimization (S-O) methodology to develop a multi-objective management strategy for a coastal aquifer system. The aim of the multi-... [more] The present study utilizes a coupled simulation-optimization (S-O) methodology to develop a multi-objective management strategy for a coastal aquifer system. The aim of the multi-objective management model is to maximize pumping from freshwater wells (FWs) and minimize pumping from the barrier wells (BWs), while keeping salinity concentration in the aquifer within pre-specified limits (optimization constraint). To achieve computational feasibility of the management model, the numerical simulation model is substituted by the relatively new Gaussian Process Regression (GPR) metamodels. The GPR models are used to approximate coastal aquifer responses to variable transient pumping patterns from FWs and BWs. Prediction capabilities of the developed GPR metamodels are quantified using standard statistical parameters. Once trained and validated, the GPR metamodels are coupled to a multi-objective genetic algorithm optimization model and used to prescribe optimal groundwater pumping patterns. The outcomes of this study establishes the potential applicability of the GPR metamodel-based S-O model for developing sustainable coastal groundwater management strategies, which can utilize accurate and efficient prediction of management strategy impacts on the saltwater intrusion (SI) process when the optimal management policy development is based on the trained metamodel predictions. Once implemented, the developed strategy can help in controlling SI in coastal aquifer systems.
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| 2021 |
Sharan A, Lal A, Datta B, 'A review of groundwater sustainability crisis in the Pacific Island countries: Challenges and solutions', Journal of Hydrology, 603 127165-127165 (2021)
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| 2021 |
Roy DK, Lal A, Sarker KK, Saha KK, Datta B, 'Optimization algorithms as training approaches for prediction of reference evapotranspiration using adaptive neuro fuzzy inference system', Agricultural Water Management, 255 107003-107003 (2021)
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| 2021 |
Lal A, Datta B, 'Application of the group method of data handling and variable importance analysis for prediction and modelling of saltwater intrusion processes in coastal aquifers', Neural Computing and Applications, 33 4179-4190 (2021)
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| 2020 |
Lal A, Datta B, 'Performance Evaluation of Homogeneous and Heterogeneous Ensemble Models for Groundwater Salinity Predictions: a Regional-Scale Comparison Study', Water, Air, & Soil Pollution, 231 (2020)
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| 2019 |
Lal A, Datta B, 'Optimal Groundwater-Use Strategy for Saltwater Intrusion Management in a Pacific Island Country', Journal of Water Resources Planning and Management, 145 (2019)
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| 2019 |
Lal A, Datta B, 'Application of Monitoring Network Design and Feedback Information for Adaptive Management of Coastal Groundwater Resources.', Int J Environ Res Public Health, 16 (2019)
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| 2019 |
Lal A, Datta B, 'Multi-objective groundwater management strategy under uncertainties for sustainable control of saltwater intrusion: Solution for an island country in the South Pacific.', J Environ Manage, 234 115-130 (2019)
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| 2018 |
Lal A, Datta B, 'Development and Implementation of Support Vector Machine Regression Surrogate Models for Predicting Groundwater Pumping-Induced Saltwater Intrusion into Coastal Aquifers', Water Resources Management, 32 2405-2419 (2018)
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| 2018 |
Lal A, Deo RN, Kumar A, 'Near-surface study of a hot spring site in Fiji', Acta Geophysica, 66 659-672 (2018)
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| 2018 |
Lal A, 'MULTIPLE OBJECTIVE MANAGEMENT STRATEGIES FOR COASTAL AQUIFERS UTILIZING NEW SURROGATE MODELS', International Journal of GEOMATE, 15 (2018)
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| 2018 |
Lal A, Datta B, 'Modelling saltwater intrusion processes and development of a multi-objective strategy for management of coastal aquifers utilizing planned artificial freshwater recharge', Modeling Earth Systems and Environment, 4 111-126 (2018)
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