State Water Resources Research Institute Program

Project Id: 2010NE199B
Title: Towards groundwater recharge forecasting: monitoring and modeling episodic recharge responses to weather events
Project Type: Research
Start Date: 3/01/2010
End Date: 2/28/2011
Congressional District: 1
Focus Categories: Groundwater, Climatological Processes
Keywords: groundwater recharge, radar
Principal Investigator: Gates, John Barrett
Federal Funds: $ 19,644
Non-Federal Matching Funds: $ 39,292
Abstract: Sustaining water resources through future land use and climatic changes is a critical challenge facing the State of Nebraska and beyond. The need for accurate prediction of how hydrological systems will be affected by forthcoming environmental changes is widely recognized. The proposed project offers a powerful new tool for predicting inputs to groundwater - a vital source of water to cities, agriculture and ecosystems. The goal of the proposed project is to develop a method of predicting groundwater recharge on the timescale of individual rainfall events by combining hydrologic monitoring and modeling with weather radar. Rainfall-recharge linkages on the event scale will be explored using reflectivity-based rainfall intensity data with unsaturated flow modeling and matric potential profile time series data. Intended outcomes include a determination of the meteorological characteristics of storm events that contribute to groundwater recharge in Nebraska, and an assessment of the feasibility of predicting distributed groundwater recharge from radar.

Progress/Completion Report, 2010, PDF

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