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Mountains range

Spotlight - Geophysical testing

Glacial hazard assessment work in Nepal, using a range of geophysical techniques, has been carried out by Reynolds Geo-Sciences.

Several glacial lakes in the Himalayas, thought to be in danger of bursting and threatening local villages and infrastructure, were investigated using satellite and field based techniques.

Satellite data enabled the rapid identification and assessment of possible hazards in the remote mountain areas, before subsequent field investigations took place. This involved electrical resistivity and ground penetrating radar to investigate the extent of the ice, its thickness and the nature and location of internal structures.

The outcome of the surveys helped with the design of remedial works to lower the levels of potentially dangerous lakes in the project funded by the UK's Department for International Development. Staff from Reynolds Geo-Sciences also spent nearly two months in the Khumbu Himal region of northern Nepal gathering data for a wider ranging project to develop guidelines for sustainable management of glacial hazards in developing countries.

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