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Linked Simulation-Optimization based Dedicated Monitoring Network Design for Unknown Pollutant Source Identification using Dynamic Time Warping Distance

Jha, Manish; Datta, Bithin - In: Water Resources Management 28 (2014) 12, pp. 4161-4182

as unknowns. The developed methodology uses dynamic time warping distance in the linked simulation-optimization model to …

Persistent link: https://www.econbiz.de/10010949782

Artificial neural network modeling for identification of unknown pollution sources in groundwater with partially missing concentration observation data

Singh, Raj; Datta, Bithin - In: Water Resources Management 21 (2007) 3, pp. 557-572

Groundwater pollution sources are characterized by spatially and temporally varying source locations, injection rates, and duration of activity. Concentration measurement data at specified observation locations are generally utilized to identify these sources characteristics. Identification of...

Persistent link: https://www.econbiz.de/10010847335

Optimal Management of Coastal Aquifers Using Linked Simulation Optimization Approach

Bhattacharjya, Rajib; Datta, Bithin - In: Water Resources Management 19 (2005) 3, pp. 295-320

. Incorporation of this simulation model within an optimization-based management model is very complex and difficult. However, as an … alternative, it is possible to link a simulation model externally with an optimization-based management model. The GA …-based optimization approach is especially suitable for externally linking the numerical simulation model within the optimization model …

Persistent link: https://www.econbiz.de/10010794175

Efficient Identification of Unknown Groundwater Pollution Sources Using Linked Simulation-Optimization Incorporating Monitoring Location Impact Factor and Frequency Factor

Datta, Bithin; Prakash, Om; Campbell, Sean; Escalada, Gerry - In: Water Resources Management 27 (2013) 14, pp. 4959-4976

capability of Genetic Programming (GP), and linked simulation-optimization for recreating the flux history of the unknown …

Persistent link: https://www.econbiz.de/10010794348

Dynamic Optimal Monitoring Network Design for Transient Transport of Pollutants in Groundwater Aquifers

Chadalavada, Sreenivasulu; Datta, Bithin - In: Water Resources Management 22 (2008) 6, pp. 651-670

. The developed optimization models are solved using Genetic Algorithm. The variances of estimated concentrations at …

Persistent link: https://www.econbiz.de/10010794551

Comparative Evaluation of Genetic Programming and Neural Network as Potential Surrogate Models for Coastal Aquifer Management

Sreekanth, J.; Datta, Bithin - In: Water Resources Management 25 (2011) 13, pp. 3201-3218

together with an optimization algorithm in a linked simulation-optimization framework. The use of numerical models for aquifer … simulation within optimization models is constrained by the huge computational burden involved. Approximation surrogates are … disadvantages with the neural network based surrogate modeling approach. Two linked simulation optimization models based on ANN and …

Persistent link: https://www.econbiz.de/10010847415