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Phoebe Kinzelman Thesis Proposal

June 2 @ 3:00 pm - 5:00 pm MDT

Phoebe Kinzelman

Title: Characterization of terminus position change for Greenland’s peripheral marine-terminating glaciers: 2000 – present

Abstract: Mass loss from glaciers worldwide is contributing to alarming rates of contemporary sea level rise. Melt originating from Greenland is one of the biggest drivers of sea level rise globally. Even though the majority of Greenland’s ice mass loss is from the ice sheet, the marine-terminating glaciers around the island’s periphery also contribute to mass loss. Changes in terminus position have been implied as the primary control on mass loss due to change in flow for the ice sheet, but terminus position change has not been studied in detail for the peripheral glaciers. Here I analyze terminus position change of 585 peripheral marine-terminating glaciers over a ~20 year time period (2000 – present). Terminus change timeseries will be constructed using the automated 2D wavelet transform modulus maxima segmentation method developed by Liu et al. (2021) applied to Landsat 7 and 8 imagery. By constructing a longer record of terminus mapping over this region, I hope to identify seasonal to multi-decadal trends in terminus change for these glaciers.

Advisor: Ellyn Enderlin

Co-Advisors: Jeffrey Johnson, Shad O’Neel