Collaborative Research on the Future of Groundwater ... - ICWT

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Challenges in predicting effects of climate change on groundwater • Recharge is strongly influenced by changes in precipitation amount, which is not as wellpredicted as temperatures – Small changes in precipitation may result in large changes in recharge in semi-arid, arid climates • Downscaling is major issue for predicting GW response • Wide range in subsurface residence times of complicates response of surface watergroundwater interaction • Non-climatic drivers exert large influence on recharge and groundwater levels
Connections between snowmelt and groundwater recharge are poorly understood When and where does recharge take place What is the residence time of groundwater Groundwater Age 3 H- 3 He, 4 He rad [after Domenico & Schwartz, 1990] Noble Gases Recharge Temperature Excess Air
Page 1 and 2: Collaborative <str
Page 3 and 4: We know what happens when extractio
Page 5: Xenon Tracer Experiment 200 m 500 m
Page 8 and 9: Deep Mixed Recharge Surface Caution
Page 10 and 11: Tracers for groundwater banking Loc
Page 14 and 15: Olympic Valley: 6 production wells,
Page 16 and 17: Recharge temperatures reveal timing
Page 18 and 19: Effects of Climate Change Climate C

Collaborative Research on the Future of Groundwater ... - ICWT

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