Articles | Volume 19, issue 2
https://doi.org/10.5194/tc-19-685-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-685-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Feb 2025
Research article |
| 12 Feb 2025
| 12 Feb 2025
Physically based modelling of glacier evolution under climate change in the tropical Andes
British Geological Survey, Environmental Science Centre, Keyworth, Nottingham, UK
School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, UK
Nicholas E. Barrand
School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, UK
David M. Hannah
School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, UK
Emily Potter
School of Geography, University of Leeds, Leeds, UK
Department of Geography, University of Sheffield, Sheffield, UK
Nilton Montoya
Agriculture Department, Universidad Nacional de San Antonio Abad del Cusco, Cusco, Peru
Wouter Buytaert
Civil and Environmental Engineering, Imperial College London, London, UK
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Groundwater use changes the availability of groundwater, especially during droughts. This study investigates the impact of groundwater use on groundwater droughts. A methodological framework is presented that was developed and applied to the UK. We identified an asymmetric impact of groundwater use on droughts, which highlights the relation between short-term and long-term strategies for sustainable groundwater use.
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Short summary
We combine two globally capable glacier evolution models to include processes that are typically neglected but thought to control tropical glacier retreat (e.g. sublimation). We apply the model to Peru's Vilcanota-Urubamba Basin. The model captures observed glacier mass changes,but struggles with surface albedo dynamics. Projections show glacier mass shrinking to 17 % or 6 % of 2000 levels by 2100 under moderate- and high-emission scenarios, respectively.
We combine two globally capable glacier evolution models to include processes that are typically...
