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Glacial Lake Outburst Floods (GLOFs) are capable of travelling considerable distances from their source and they represent one of the most important glacial hazards. In line with observations in other parts of the world, the frequency of GLOF events in Chile has increased in recent decades highlighting the need to quantify the flood risk posed to downstream areas. This poster presents the work of the ‘Glacial Hazards in Chile’ project which aims to (1) better understand the processes that govern the development of GLOFs in Chile, (2) estimate the socio-economic effects of GLOFs in Chile, and (3) provide a GLOF risk assessment framework that can be applied to Chile and other lower income countries globally. As an initial step towards the completion of these aims, we have recently compiled the first glacial lake inventory for the central and Patagonian Andes, which details the temporal development of glacial lakes in this region over the past three decades. This analysis was used to identify two lakes of interest that were visited during a fieldwork expedition in February 2017. The first of these, Lago Chileno in Patagonia, has recently produced a large GLOF causing significant damage to the downstream floodplain, whilst the second was identified as one of the fastest growing lakes in the central Andes. Both these lakes were surveyed using aerial imagery acquired with a drone and a custom-built bathymetry boat, data from which will help to improve our understanding of the physical processes associated with glacial lake development and failure within the Chilean Andes
|Publication status||Published - Dec 2017|
|Event||American Geophysical Union Fall Meeting - New Orleans, New Orleans, United States of America|
Duration: 11 Dec 2017 → 15 Dec 2017
|Conference||American Geophysical Union Fall Meeting|
|Country/Territory||United States of America|
|Period||11 Dec 2017 → 15 Dec 2017|
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Glacial Hazards in Chile: Processes, Assessment, Mitigation and Risk Management Strategies
Glasser, N., Harrison, S. & Schaefer, M.
Natural Environment Research Council
01 Feb 2016 → 31 Jan 2018
Project: Externally funded research