EvapoTranspiration and Recharge Model (ETRM) Distributed soil water - PowerPoint PPT Presentation

Oct 31, 2022 •239 likes •303 views

EvapoTranspiration and Recharge Model (ETRM) Distributed soil water balance model 250 m resolution Daily precipitation (PRISM) drives the model Estimates ET and runoff Recharge closes the water balance Soil parameters

EvapoTranspiration and Recharge Model (ETRM) • Distributed soil water balance model • 250 m resolution • Daily precipitation (PRISM) drives the model • Estimates ET and runoff • Recharge closes the water balance • Soil parameters come from existing GIS datasets
EvapoTranspiration and Recharge Model (ETRM) • Design – Python – Easily adapted to other study areas at different scales • Reference ET is corrected for topography using GADGET • Estimates diffuse (inplace) recharge for the entire state
Focused Recharge Walnut Gulch Experimental Watershed
Ongoing work • Focused Recharge • Improve soil parameter estimates – Saturated hydraulic conductivity – Storage capacity • Calibration and validation • Ability to forecast recharge rates for different scenarios – Climate change – Land use change
Acknowledgments • WRRI • Fred Phillips, Dan Cadol, Jan Hendrickx (NMT EES) • David Ketchum, Peter ReVelle, Esther Xu, Gabriel Parish (NMT Graduate Students)

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