All Questions
Tagged with glaciology antarctica
12 questions
2
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How is sea level rise due to a glacier melting calculated?
There's news going around (e.g. link) that the melting of the Thwaites glacier may cause sea levels to rise by 10 feet. Is that true and not exaggerated? How is the calculation made? They said the ...
- 255
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If its ice sheet were removed under modern atmospheric conditions, what climatic and ice-sheet equilibrium would be re-established over Antarctica?
Note the use of the term removed instead of melted—as in, any excess water is moved to where it can't cause trouble, either through the use of advanced technology (space elevators, et cetera) or for ...
- 355
1
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1
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Is "Chasm One" the really the name of this feature on the Brunt Ice Shelf?
The BBC News article Antarctic: No role for climate in Halley iceberg splitting says:
With no-one on the ice surface, notice of any breakaway will have to come from automated in-situ ...
- 6,904
3
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1
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What (if any) "in-situ instrumentation" is on the Brunt Ice Shelf that will detect its splitting and breaking away?
The BBC News article Antarctic: No role for climate in Halley iceberg splitting says:
With no-one on the ice surface, notice of any breakaway will have to come from automated in-situ instrumentation ...
- 6,904
4
votes
1
answer
106
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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 ...
- 6,904
6
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1
answer
172
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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 ...
- 2,359
11
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2
answers
5k
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How could this pyramidal Mountain have been formed?
How could this pyramidal peak have been formed in Antarctica? Little is known about it as far as I know but what is known is that its miles away from any existing plate boundary and its shape is also ...
- 213
6
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2
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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 ...
- 211
10
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4
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450
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Considering how old the Antarctic ice cover is, why isn't it much thicker?
The Wikipedia article on the subject of the "Antarctic ice sheet" says that:
The icing of Antarctica began in the middle Eocene about 45.5 million
years ago and escalated during the Eocene–...
- 211
8
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1
answer
158
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What is more important in Antarctica calving or basal melting of the ice shelves?
Ice shelves are present along 75% of Antarctica coast and cover over 1.5 million km2. The two main processes causing mass loss of the ice shelf are basal melting and calving. Which of the two ...
- 15.5k
13
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1
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Glaciology: odd pattern of smooth and ribbed chunks of ice in Antartica
At -69.184611, -68.124276 (just east of the Bugge Islands) there is a triangular ice shelf. On satellite images (as seen on Google/Bing maps) you can see it is riddled with --for lack of a clearer ...
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14
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1
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328
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Where does the biggest land-based ice cap reside?
I'm thinking biggest in volume, regarding which area of the planet will contribute more to a raising in sea level - were the ice in those regions to melt.
I can basically think of two candidates, ...
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