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Research
A groundwater nonpoint source pollution modeling framework to evaluate long‐term dynamics of pollutant exceedance probabilities in wells and other discharge locations
Demonstrating the potential for using nutrient management and/or agricultural managed aquifer recharge (Ag-MAR) in the source area of a public supply well to remediate nitrate contamination
Developing statistically based metrics of nonpoint source groundwater contamination and assessing the role of aquifer heterogeneity versus pumping rate and well depth on these metrics
Developing the mSim software using a suite of Matlab functions for simulating nonpoint source (NPS) pollution in groundwater aquifers at high resolution over hundreds of years
Effects of upscaling temporal resolution on groundwater nitrate transport model performance at the regional management scale
Evaluating computational methods (here: algebraic multigrid preconditioners) to address the computational demands in groundwater nonpoint source pollution transport models
Nonpoint source (NPS) pollution of groundwater: What is the impact of aquifer, soil, and land use spatial variability on our ability to predict future nitrate, salt concentrations
Nonpoint source (NPS) pollution of groundwater: what time scales matter when we design a groundwater flow and transport model to assess nitrate or salt transport?
Putting the NPSAT modeling framework to test: comparison to a fully three-dimensional, transient model of nitrate transport in the northeastern San Joaquin Valley
Simulation of unconfined aquifer based on adaptive mesh refinement
Theoretical background and validation of a simple online tool to obtain statistical estimates of future nitrate outcomes at public supply wells, following a user-defined change in land use or land management
Tule River
Software
ICHNOS
Mantis
Mantis/NPSAT Web Interface
NPSAT engine
Stochastic Assessment for NPS contamination
mSim
Publications
People
Zesheng Xing
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Zesheng Xing
Position Title
Software Engineer
