<strong>Tracer-Constrained Recharge Elevation and Geogenic Controls on Groundwater Quality in Mountain Systems — Evidence from the Swiss High Alps</strong>

Angela Ruth Welham

Presentation information

[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-HW Hydrology & Water Environment

[A-HW28] Tracer Hydrology: Advances in Measurement and Modelling

Wed. May 27, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Schilling S. Oliver(Hydrogeology, Department of Environmental Sciences, University of Basel, Switzerland), Tsujimura Maki(Institute of Life and Environmental Sciences, University of Tsukuba), Tomonaga Yama(University of Basel), van Rooyen David Jared(Swiss Federal Institute of Aquatic Science and Technology)

4:10 PM - 4:25 PM

[AHW28-08] Tracer-Constrained Recharge Elevation and Geogenic Controls on Groundwater Quality in Mountain Systems — Evidence from the Swiss High Alps

*Angela Ruth Welham^1,2, Jared David van Rooyen^1,2, Yama Tomonaga¹, Rolf Kipfer^2,3,4, Oliver S. Schilling^1,2 (1. Hydrogeology, Department of Environmental Sciences, University of Basel, Switzerland, 2. Eawag, Department of Water Resources and Drinking Water, Switzerland , 3. Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, Switzerland, 4. Institute of Geochemistry and Petrology, ETH Zürich, Switzerland)

Keywords:O and H Isotopes, Recharge Elevation Inference, Arsenic, Water Protection Zones, Mountain Systems