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Measuring Annual Ice Loss with Ground Penetrating Radar on the Dinwoody Glacier in the Gannet Circe, Wyoming

Authors: Ryan Burns*, University of Wyoming, Jackie Klacher, Mentor/Director of Instruction and Research for CWC's Alpine Science Institute, Adam Frank, Co-Researcher, Mike Bostick, Co-Researcher, Darren Wells, Mentor/Co-Researcher, Randall Bonnell, Co-Researcher, Andrew Parsekian, Co-Researcher
Topics: Geographic Information Science and Systems, Mountain Environments, Cryosphere
Keywords: Climate Change, Glaciers, Central Rockies, Wind River Range, Continental Divide, Glaciology
Session Type: Paper
Presentation File: No File Uploaded

In August 2019, the Interdisciplinary Climate Change Expedition (ICCE), associated with the Alpine Science Institute (ASI) at Central Wyoming College, completed its sixth year of glacial ice data collection on the Dinwoody Glacier in the Wind River Mountain Range. Ground Penetrating Radar (GPR) equipment was used to calculate the thickness of glacial ice in order to measure the annual rate of melt of the Dinwoody Glacier. In 2019, the team completed one 2 km Horizontal transect and three 0.5-1.5 km vertical transects of the glacier over the course of 4 days using a GPR unit and a handheld GPS unit for navigation. ICCE compared 2016 data to depths recorded by an earlier research team in 2006 and identified a decrease in glacial ice depth of 13.6 meters in that 10 year period. This paper will present upcoming data analysis, which will isolate ice loss rates between 2016 and 2019. The paper will focus on two themes in our findings: the importance of studying the long-term effect of climate change on high alpine glaciers in the central Rockies, and the effect climate change has had on the central Rockies glaciers up until this point in time.

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