Trend Results : Arctic Sea Ice


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Ice (Re)Cap: November 2017

From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, fascinating science is found in every nook and crevasse of Earth’s cryosphere, and new findings are announced often. Here are a few of the latest updates.

Assessing the vulnerability of marine mammal subsistence species in the Bering Sea to climate change

The Bering Sea is a highly productive region of the Pacific Arctic. Native Alaskan communities rely heavily on the marine resources of the Bering Sea for survival. The timing of the formation and thaw of sea ice each year has a significant impact on the structure of the Bering Sea ecosystem. In its current state, […]

How The San Diego Zoo Is Using AI And Drones To Save Polar Bears

With Arctic sea ice disappearing, can advanced sensor technologies provide insights into an ecosystem on the brink? Few things are more important to polar bears than ice, which provides the Arctic carnivores with food, migration routes, and places to bear their young. Show More Summary

Watch Very Old Jellyfish Glide Beneath the Arctic Ice

Four feet of ice sits atop the Chukchi Sea, several miles from Point Barrow, Alaska. On top, polar bears gambol and walruses loll. What happens beneath the sheet is far more mysterious. To investigate the goings-on in this underwater...Show More Summary

Arctic Sea Ice May Be Declining Faster Than Expected -Study

sea ice " data-medium-file="http://gcaptain.com/wp-content/uploads/2017/10/shutterstock_6749344-300x198.jpg" data-large-file="http://gcaptain.com/wp-content/uploads/2017/10/shutterstock_6749344-800x527.jpg" />CALGARY, Alberta, Oct 24...Show More Summary

Arctic sea ice may be declining faster than expected: study

CALGARY, Alberta (Reuters) - Arctic sea ice may be thinning faster than predicted because salty snow on the surface of the ice skews the accuracy of satellite measurements, a new study from the University of Calgary said on Tuesday.

Under the sea ice, behold the ancient Arctic jellyfish

The doings of creatures under the Arctic sea ice are many, but they are rarely observed by humans; it's pretty hard to get under the ice to look. In recent years, marine biologist Andy Juhl and his colleagues have gotten around thisShow More Summary

Monster discovered in Canadian Arctic

A University of Manitoba graduate student discovered Canada's first, genuine, scientifically sound monster lurking under our Arctic sea ice.

Media freezes coverage of study that veers off climate change narrative

A study found that more ice formed in the Arctic in 2017 than in all but four of the last 37 years, challenging the recent media narrative that the earth is warming and seas are rising because of manmade activity. Instead of reporting this study, media outlets focused on another report that more closely matched […]

Delta progradation in Greenland driven by increasing glacial mass loss

last monthAcademics : Nature

Climate changes are pronounced in Arctic regions and increase the vulnerability of the Arctic coastal zone. For example, increases in melting of the Greenland Ice Sheet and reductions in sea ice and permafrost distribution are likely to alter coastal morphodynamics. Show More Summary

Federal government: No threatened species listing for walrus

The Trump administration announced Wednesday it will not list the Pacific walrus as a threatened species based on diminished Arctic Ocean sea ice, concluding that the marine mammals have adapted to the loss.

Unforced variations: Oct 2017

This month’s open thread. Carbon budgets, Arctic sea ice minimum, methane emissions, hurricanes, volcanic impacts on climate… Please try and stick to these or similar topics.

How the Arctic became salty

The Arctic Ocean hasn’t always been as salty as other oceans. In the Eocene, between 56 million and 34 million years ago, the water surrounding the North Pole — freshened by melt from sea ice and river runoff — was cut off from the Atlantic and Pacific oceans by land bridges. Show More Summary

End-of-summer Arctic sea ice extent is eighth lowest on record

Arctic sea ice appeared to have reached its yearly lowest extent on Sept. 13, NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder have reported. Analysis of satellite data by NSIDC...Show More Summary

Cloudy, cool August restrains melt of Arctic sea ice

Scientists calculate that Arctic sea ice this summer dropped to its eighth lowest level on record. That's far below average, but considerably above the record low set five years ago. … Click to Continue »

End-of-summer Arctic sea ice extent is eighth lowest on record

(NASA/Goddard Space Flight Center) Arctic sea ice appeared to have reached its yearly lowest extent on Sept. 13, NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder have reported. Show More Summary

Activist urges walrus rafts in absence of Arctic sea ice

ANCHORAGE, Alaska (AP) — An environmental activist is calling on the U.S. Fish and Wildlife Service to reconsider placing anchored rafts in the ocean as resting platforms for walruses after stampedes killed 64 animals on Alaska's northwest coast.

Update on Arctic Sea Ice

The extent of Arctic sea ice is an important marker for global climate change. In the last forty years it also has been unequivocally shrinking. NASA has been tracking Arctic sea ice extent at different times of the year, with the September minimum being an important point of comparison. Like any chaotic system there are […]

Arctic sea ice once again shows considerable melting

(Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research) This September, the extent of Arctic sea ice shrank to roughly 4.7 million square kilometres, as was determined by researchers at the Alfred Wegener Institute, the University of Bremen and Universität Hamburg.

Arctic sea ice once again shows considerable melting

This September, the extent of Arctic sea ice shrank to roughly 4.7 million square kilometres, as was determined by researchers at the Alfred Wegener Institute, the University of Bremen and Universität Hamburg. Though slightly largerShow More Summary

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