The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica
The Amundsen Region of the West Antarctic Ice Sheet is one of the major active contributors to global sea level rise. Thwaites Glacier is a large, fast-flowing glacier in this region which is experiencing mass loss, flow acceleration, and rapid grounding line retreat, indicative of the marine ice sh...
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Georgia Institute of Technology
2021
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ftgeorgiatech:oai:repository.gatech.edu:1853/64885 2024-06-02T07:55:48+00:00 The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica Verboncoeur, Hannah Robel, Alexander Chu, Winnie (Wing Yin) Schmidt, Britney Wilson, Samantha Earth and Atmospheric Sciences 2021-06-30T17:38:02Z application/pdf http://hdl.handle.net/1853/64885 en_US eng Georgia Institute of Technology http://hdl.handle.net/1853/64885 Glacier Ice sheet Thwaites SMB Surface mass balance Antarctica Amundsen Feedback ISSM RACMO Climate Sea level Radar HPC Simulation Text Undergraduate Thesis 2021 ftgeorgiatech 2024-05-06T11:19:34Z The Amundsen Region of the West Antarctic Ice Sheet is one of the major active contributors to global sea level rise. Thwaites Glacier is a large, fast-flowing glacier in this region which is experiencing mass loss, flow acceleration, and rapid grounding line retreat, indicative of the marine ice sheet instability. Although there are many factors that may influence the potential destabilization and collapse of Thwaites Glacier, surface mass balance is an important factor as the balance of precipitation and ablation change with changing glacier geometry. This study investigates a surface elevation-SMB relationship and its influence on projected future stability at Thwaites Glacier. Observational data and regional climate model outputs are used to identify a strong elevation-SMB relationship at Thwaites Glacier. The Ice-Sheet and Sea-Level System Model is then then used to simulate Thwaites Glacier’s evolution with an added elevation-SMB feedback. Incorporating an elevation-SMB feedback increases the model prediction for ice mass loss by 5%-10% over a 200 year transient simulation. Undergraduate Bachelor Thesis Antarc* Antarctic Antarctica Ice Sheet Thwaites Glacier West Antarctica Georgia Institute of Technology: SMARTech - Scholarly Materials and Research at Georgia Tech Antarctic Thwaites Glacier ENVELOPE(-106.750,-106.750,-75.500,-75.500) West Antarctic Ice Sheet West Antarctica |
institution |
Open Polar |
collection |
Georgia Institute of Technology: SMARTech - Scholarly Materials and Research at Georgia Tech |
op_collection_id |
ftgeorgiatech |
language |
English |
topic |
Glacier Ice sheet Thwaites SMB Surface mass balance Antarctica Amundsen Feedback ISSM RACMO Climate Sea level Radar HPC Simulation |
spellingShingle |
Glacier Ice sheet Thwaites SMB Surface mass balance Antarctica Amundsen Feedback ISSM RACMO Climate Sea level Radar HPC Simulation Verboncoeur, Hannah The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
topic_facet |
Glacier Ice sheet Thwaites SMB Surface mass balance Antarctica Amundsen Feedback ISSM RACMO Climate Sea level Radar HPC Simulation |
description |
The Amundsen Region of the West Antarctic Ice Sheet is one of the major active contributors to global sea level rise. Thwaites Glacier is a large, fast-flowing glacier in this region which is experiencing mass loss, flow acceleration, and rapid grounding line retreat, indicative of the marine ice sheet instability. Although there are many factors that may influence the potential destabilization and collapse of Thwaites Glacier, surface mass balance is an important factor as the balance of precipitation and ablation change with changing glacier geometry. This study investigates a surface elevation-SMB relationship and its influence on projected future stability at Thwaites Glacier. Observational data and regional climate model outputs are used to identify a strong elevation-SMB relationship at Thwaites Glacier. The Ice-Sheet and Sea-Level System Model is then then used to simulate Thwaites Glacier’s evolution with an added elevation-SMB feedback. Incorporating an elevation-SMB feedback increases the model prediction for ice mass loss by 5%-10% over a 200 year transient simulation. Undergraduate |
author2 |
Robel, Alexander Chu, Winnie (Wing Yin) Schmidt, Britney Wilson, Samantha Earth and Atmospheric Sciences |
format |
Bachelor Thesis |
author |
Verboncoeur, Hannah |
author_facet |
Verboncoeur, Hannah |
author_sort |
Verboncoeur, Hannah |
title |
The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
title_short |
The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
title_full |
The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
title_fullStr |
The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
title_full_unstemmed |
The Impact of Elevation-SMB Feedbacks on the Evolution of Thwaites Glacier, West Antarctica |
title_sort |
impact of elevation-smb feedbacks on the evolution of thwaites glacier, west antarctica |
publisher |
Georgia Institute of Technology |
publishDate |
2021 |
url |
http://hdl.handle.net/1853/64885 |
long_lat |
ENVELOPE(-106.750,-106.750,-75.500,-75.500) |
geographic |
Antarctic Thwaites Glacier West Antarctic Ice Sheet West Antarctica |
geographic_facet |
Antarctic Thwaites Glacier West Antarctic Ice Sheet West Antarctica |
genre |
Antarc* Antarctic Antarctica Ice Sheet Thwaites Glacier West Antarctica |
genre_facet |
Antarc* Antarctic Antarctica Ice Sheet Thwaites Glacier West Antarctica |
op_relation |
http://hdl.handle.net/1853/64885 |
_version_ |
1800751295327371264 |