SIO 10 Final Project
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University of California, San Diego *
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Course
10
Subject
English
Date
Dec 6, 2023
Type
docx
Pages
2
Uploaded by HighnessKuduPerson733
Name: Abigail Gardner
PID #: A17489153
SIO 10 Final Project
Glacier Name:
Columbia Glacier, Alaska
Coordinates:
lat 62.218911, lon -146.897406
12/1984
12/2005
12/2020
Analysis:
A.) It is clear throughout the photographs documented of the Columbia Glacier from
1984-2020 that there have been a lot of changes to the landscape at this location. There is
significantly less snow/ice coverage, more water in the reservoir that previously housed
the glacier when it was at its original location, and more green, bare landscape now
exposed surrounding the glacier path. There is a significant loss of mass on the glacier
likely influenced in part by climate change.
B.) It is evident that this glacier has retreated significantly as it is moving back inland
very quickly. The glacier has lost much of its shape and area throughout recent decades.
C.) Between 1984 and 2020, the terminus of the Columbia Glacier has retreated
approximately 20.98 kilometers. This means that the estimated retreating rate over the 36
year period is about 0.583 km or ~583 meters.
AI:
“The terminus of the Columbia Glacier in Alaska has undergone significant changes over
the past 50 years. Between 1973 and 2020, the terminus retreated by approximately 20
kilometers (12.4 miles). This retreat resulted in the glacier's terminus moving inland,
away from its previous position at the mouth of Columbia Bay. In 1973, the terminus of
the Columbia Glacier was located at a point known as "Terminus Island." By 1980, it had
retreated to "Terminus Shoal," and by 2000, it had further retreated to "Terminus Spit."
Over the subsequent years, the retreat continued, and by 2020, the terminus had moved
significantly farther upstream, approximately 20 kilometers (12.4 miles) from its original
position. These measurements indicate a substantial retreat and illustrate the impact of
climate change on the Columbia Glacier in Alaska. It's important to note that the retreat
rate may have varied over the 50-year period, with faster rates observed in some years
and slower rates in others.” (OpenAI [2023], ChatGPT May 24 Version).
The answer provided by the AI definitely matches my findings from Google Earth. I
found that the glacier retreated 20.98 kilometers and ChatGPT estimated the same
amount at about 20 kilometers. The AI also matched my findings that the glacier was
moving further upstream back inland from its original location as evident in the loss of
glacier mass and more surrounding iceless land.
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