Mitarbeitende

Angela Welham

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Angela Welham

Tracer Hydrogeology • Doctoral Student

Department Wasserressourcen & Trinkwasser

About Me

My research in tracer hydrogeology focuses on cryosphere-groundwater interactions in the Upper Engadine (Switzerland), investigating how cryospheric regimes and geological context control recharge, flow pathways, and groundwater residence times. To achieve this, I integrate multi-tracer observations (δ¹⁸O-δ²H, ³H, noble gases, hydrochemistry) with tracer-constrained transport modelling to quantify recharge sources and groundwater storage dynamics. The aim of this research is to constrain non-stationary groundwater behaviour under climate change and support process-based water resource management in alpine systems. Personally, my work is driven by a strong interest in understanding and protecting water resources for the future.

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Projects

Charakterisierung der Grundwasserzirkulation und der Auswirkung von Gletscher- und Schneeschmelze auf die Wasserverfügbarkeit im Oberengadin mittels Tracer und Modelle.

Alpine Kryosphäre–Grundwasser-Interaktionen

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Curriculum Vitae

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Address

E-Mail: angela.welham@eawag.ch
Phone: +41 58 765 5987
Fax: +41 58 765 5802
Address: Eawag
Überlandstrasse 133
8600 Dübendorf
Office: BU D11
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Research Group

Tracer Hydrogeology

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Research Focus

  • Cryosphere-groundwater coupling
  • Environmental Tracers (δ17O, δ18O, δ2H, 3H, Ions, Dissolved Gases)
  • Recharge source partitioning
  • Flow pathways & structural controls
  • Groundwater residence times & transport

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