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R-channels are pipes incised into the glacier ice through which much of the surface melt water flows. This Master project aims at enhancing our current R-channel laboratory experiment with high precision temperature measurements. Work will include both engineering challenges and measurements. - Fluid Physics, Other, Water and Sanitary Engineering
- Master Thesis
| En- and subglacial water drainage is an important glaciological process. Amongst other, the water flow is understood to happen in so called R-channels. The aim of the thesis is to measure some fundamental parameters of these features directly in the field. | Subglacial hydrology is often modelled with a simple, steepest-descent water-routing model. The aim of this project is to amend the underlying representations so that the effects of e.g. subglacial overdeependings can be accounted for. The new scheme will be implemented in a open-source framework. | Glacier melt plays and important role in the hydrological budget, especially during the hot summer months. You will set up a framework to analyze real-time melt observed by on-ice cameras.
- Glaciology, Photogrammetry and Remote Sensing, Software Engineering
- Master Thesis
| A number of observations acquired in recent decades have pointed at an anomalous behaviour of glaciers in the western part of High Mountain Asia. The goal of this thesis is to test a recent hypotesis for the deeper causes of this so-called "Karakoram anomaly". - Climatology (incl. Palaeoclimatology), Glaciology
- Master Thesis
| Supraglacial ponds are an important and dynamic constituent of debris-covered glaciers’ hydrology in High Mountain Asia, but their observation is limited due to cloud cover during the monsoon. The goal of this thesis is to overcome this limitation using Sentinel SAR imagery. | Debris-covered glaciers in High Mountain Asia are expected to undergo slower melt than debris-free glaciers, which is not the case everywhere. The goal of this thesis is to study this debris-cover anomaly on a glacier with two flow units, one debris-covered and one debris-free. | Recent studies have highlighted the seasonality of surface velocity on debris-covered glaciers, indicating basal sliding and active subglacial hydrology. This thesis will focus on analyzing these patterns and understand their controls. | As climate warms, diurnal variations in proglacial discharge are expected to increase. Debris-covered glaciers have different hydrographs, with smaller amplitudes and longer time-lags. This thesis will characterize the runoff for debris-free and debris-covered glaciers in Switzerland. | Climatic change is causing dramatic responses of Earth’s glaciers. After the Paris Agreement, discussions have focused on the impact of various warming scenarios. The goal of this thesis is to quantify the difference in global glacier evolution for temperature rises of 1.0, 1.5, and 2.0°C. |
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