Questions tagged [arctic]
For questions pertaining to land and waters above 60 degrees North.
30 questions
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How the salinity of the North Atlantic is changing
The Arctic has lost 3.6 million km2 of sea ice due to climate change. This is also referred to as freshening. Are there any studies focusing on the development of the salinity of the North Atlantic?
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The reason for numerous warmer spots on Ellesmere and Axel Heiberg
About a year ago I read about the "arctic oasis of the Lake Hazen" in the Ellesmere Island Wiki article. According to that article, it is a thermal oasis. In the nearest Greenland areas, ...
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Does Arctic sea ice form a continuous flat sheet in winter between Russia and Canada, or are there gaps of water?
In the footage of Arctic sea ice in the spring or summer you can see gaps of water, lines of water between ice sheets, or kind of lakes of water mixed with icebergs. Even as far north as the North ...
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Is or was there oil on Sakhalin?
There are certainly oilfields under the sea floor off the coast of Sakhalin, that are being actively exploited. This map shows their locations: https://www.researchgate.net/figure/Map-of-Sakhalin-...
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Change in thermohaline circulation due to climate change
The melting of the North Polar ice masses removes a driving factor from the thermohaline circulation, known as the Gulf Stream in the North Atlantic. I wonder how much the thermohaline circulation has ...
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Why does the Arctic warm so fast despite being so white?
It may be a silly question but why does the Arctic warm so fast despite being so white ("albedo" is the word, I believe)? Isn't all that whiteness supposed to deflect all those pesky sun ...
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How serious is the issue of vast quantities of methane release from an ice-free Arctic?
A bunch of climate scientists claim that humans will go extinct by 2026, when humanity crosses the major tipping point known as "Arctic Blue Ocean Event (BOE)".
According to the climate ...
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Dynamic of glacier retreat? (here: in Greenland)
During the last years I have taken many pictures of obviously retreating glaciers and empty moraines in Greenland - just like this one. Looks devastating, actually.
In my understanding, the current ...
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Are events like the Siberian heat wave factored into models of sea ice decline?
I've been looking at a lot of charts of Arctic Sea Ice lately, wondering when it will be gone, and whether the more extreme predictions are credible.
When scientists come up with a chart that points ...
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Is Alert (in Canada) a harbor/port? [closed]
Alert, in Qikiqtaaluk Region, Nunavut, Canada, is northernmost permanently inhabited place in world.
The site was first visited by Sir George Nares, who commanded HMS Alert in 1875-76, the first ...
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Antarctic and arctic meltwater is "bad" because it's dark, but why is transparent liquid on white stuff so dark?
The Washington Post's Antarctic heat wave melted 20 percent of an island’s snow cover in days, caused melt ponds to proliferate includes the figure below of meltwater ponds on top of snow/ice.
The ...
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Is the Arctic sea ice disappearing in a linear or non-linear way?
I'd like help to understand these charts. They are charts of Sea Ice Volume. One is drawn with linear decline, the other has all sorts of curves fitted onto it.
Why do we have these different line ...
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What is the chasm in the Arctic on Google satellite map?
In the image below, taken from Google Maps satellite view, between Svalbard and Greenland there is what looks like a massive crevasse, chasm, crack, &c.
What is it? Should I be worried?
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less albedo feedback under high (BAU) emissions?
i've recently read Climate policy implications of nonlinear decline of Arctic land permafrost and other cryosphere elements
https://www.nature.com/articles/s41467-019-09863-x
the study estimates the ...
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Is the Arctic already ice-free during summer?
Not an expert in this field but I'm just curious as to how accurate the Google Map is here
Also, from the interview with scientist Peter Wadhams, his estimate seems to be spot-on.
I still remember, ...