Will climate change turn the Arctic green?
The Arctic is in the hotseat of climate change, warming four times faster than anywhere else on Earth.
Environment
Jun 18, 2024
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Page 7 - News tagged with sea ice cover
Ocean upwelling and increasing winds
As the southern westerly winds drive the Antarctic circumpolar current around Antarctica, deep waters are forced up to the surface south of the polar front. Changes in the intensity with which this relatively warm, nutrient ...
Earth Sciences
Sep 3, 2015
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Canada's subarctic lakes could face widespread desiccation
In Canada's subarctic—the boreal ecosystem that spans most of mainland Canada—the temperature is climbing and the snowpack is thinning. Previous research has shown that snow is disappearing even faster than sea ice.
Earth Sciences
Feb 4, 2014
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Climate warming increases cryospheric hazards
The cryosphere is an important component of the global climate system. In a narrow sense, it mainly refers the glaciers, permafrost, snow cover, and sea ice because these components are continuously distributed below the ...
Environment
Jan 13, 2021
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NRL scientists optimize arctic sea ice data products
Scientists from the U.S. Naval Research Laboratory (NRL) Marine Geosciences Division are assisting NASA, the US Army Cold Regions Research and Engineering Laboratory (CRREL) and the European Space Agency (ESA) in developing ...
Earth Sciences
Mar 26, 2012
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2022 Arctic summer sea ice tied for 10th-lowest on record
According to satellite observations, Arctic sea ice reached its annual minimum extent on Sept. 18, 2022. The ice cover shrank to an area of 4.67 million square kilometers (1.80 million square miles) this year, roughly 1.55 ...
Planetary Sciences
Sep 22, 2022
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Scientists on Arctic mission make unplanned detour to pole
A German icebreaker carrying scientists on a year-long international expedition in the high Arctic has reached the North Pole, after making an unplanned detour there due to lighter-than-usual sea ice conditions.
Earth Sciences
Aug 19, 2020
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Image: Alert, Canada
This Sentinel-1 radar composite image takes us to the northeastern tip of Ellesmere Island (lower-left), where the Nares Strait opens up into the Lincoln Sea in the Canadian Arctic.
Earth Sciences
Mar 31, 2017
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Ice core chemistry study expands insight into sea ice variability in Southern Hemisphere
Sea ice cover in the Southern Hemisphere is extremely variable, from summer to winter and from millennium to millennium, according to a University of Maine-led study. Overall, sea ice has been on the rise for about 10,000 ...
Earth Sciences
May 6, 2021
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Driving a wedge into historic gaps of climate science
Evidence of historic marine life present in Alaskan permafrost is helping scientists reconstruct ancient changes in the ice cover over the Arctic Ocean.
Earth Sciences
Apr 12, 2019
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