Collaborative Research on the Future of Groundwater ... - ICWT
Collaborative Research on the Future of Groundwater ... - ICWT
Collaborative Research on the Future of Groundwater ... - ICWT
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Findings: Recharge locati<strong>on</strong> and<br />
residence time<br />
• Recharge occurs <strong>on</strong> lower slopes <strong>of</strong> catchment<br />
– Recharge temperatures close to mean annual air<br />
temperature and higher than expected for direct<br />
infiltrati<strong>on</strong> <strong>of</strong> snowmelt<br />
– Low excess air – minimal recharge through<br />
fractured rock<br />
– d 13 C <strong>of</strong> DIC indicates exchange with soil gas CO 2<br />
• <strong>Groundwater</strong> (even deep groundwater) in<br />
upstream porti<strong>on</strong> <strong>of</strong> <strong>the</strong> basin is young
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