Questions tagged [antarctica]
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9
questions
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3answers
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Has Antarctica's coastline been completely mapped? (map discrepancies)
Looking at different world maps, I noticed that there is considerable variety in how the coastline of Antarctica is depicted (even when taking the different map projections into consideration).
Are ...
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votes
3answers
263 views
Are Ice Ages Affected by the Freezing Out of CO2 in Antarctica?
The freezing point of carbon dioxide is -78.5 $\small\mathsf{^o}$C. Occasionally this low is exceeded in Antarctica, and small quantities of CO2 are frozen out, but are returned soon after to the ...
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1answer
67 views
What is the strength of the Earth's magnetic field at McMurdo Station, Antarctica?
Based on this map,
Below are images showing more specific detail.
I assume the field strength is between 0.6 gauss and 0.65 gauss, but I cannot tell between which ios-flux lines (if that is a ...
1
vote
2answers
105 views
Young researcher hoping to volunteer for Antarctica fieldwork
I am a postdoctoral scholar who is interested participating in Antarctica fieldwork/exploration as a volunteer. My background is in biology, but I am happy to participate in any fieldwork ...
4
votes
1answer
95 views
Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica - how was satellite and airborne radar data combined?
This is a follow-up question to Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica.
The work is reported in an open access paper in Science: Heterogeneous retreat and ice ...
6
votes
1answer
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Giant Cavern the Size of Manhattan Under Thwaites Glacier in West Antarctica
Avery Thompson writes in Popular Mechanics
In Thwaites’ case, that radar uncovered a gigantic cavern between the glacier itself and the bedrock below it. That cavern is likely filled with air much ...
9
votes
2answers
151 views
Why is McMurdo Station in Antartica more hostile than Longyearbyen (Norway), while Longyearbyen is closer to the pole?
McMurdo Station in Antartica (operated by the USA) is 77.85 degrees south (and 166.69 east), Longyearbyen (Norway) is the northernmost settlement with scheduled flights all year at 78.24 degrees north ...
3
votes
1answer
158 views
What are these radial line patterns shown in representations of antarctica?
In the video of the recent Iridium-6/GRACE-FO launch at about T+ 33:00 (curently at 49:00 in the video) the 2nd stage passes ...
6
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2answers
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How do glaciers move? Could Antarctica be separated?
Consider the example of the Larsen Ice Shelf. Ice platforms are attached to glaciers such that they prevent surrounding warm air from directly melting the glaciers. This is an important aspect of ice ...
