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sea ice

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How glaciers can help algae bloom under sea ice

With global warming, glaciers are melting rapidly in the Arctic. This meltdown leads to globally rising sea-levels and locally affected marine ecosystems. In summer, glaciers that are in direct contact with the sea are known biological hotspots. Large amounts of glacial meltwater enter the fjord... click to read more

  • Tobias R. Vonnahme | PhD Student at Max-Planck Institute for Marine Microbiology, Bremen, Germany; The Arctic University of Norway (UiT), Tromsø, Norway
Views 2675
Reading time 3 min
published on Mar 9, 2022
Will we soon witness the first summer without Arctic sea ice in 130,000 years?

The Polar Regions represent our early warning system for climate change and are thus closely watched by scientists around the world. On the scientists watchlist, Arctic sea ice is kept under careful observation. In fact, Arctic sea ice decline is one of the most glaring... click to read more

Views 3347
Reading time 3.5 min
published on Mar 17, 2021
Recent Rapid Changes in Antarctic Sea Ice Coverage

Sea ice spreads over vast areas of both the north and south polar regions, especially in the respective winters, and is a significant component of the polar climate system. Sea ice reflects far more of the sun's radiation that reaches it than liquid water does.... click to read more

  • Claire Parkinson | Climate Change Senior Scientist at NASA Goddard Space Flight Center, Cryospheric Sciences Laboratory, USA
Views 4742
Reading time 4 min
published on Jan 8, 2020
Warm waters hide in the unlikeliest of places – under the Arctic sea ice

The Polar Regions are a central control and indicator of the Earth's climate. Ice and snow at the poles reflect solar radiation back into space, which helps to keep the Earth cool. However, in recent decades, air temperatures in the Arctic have been rising at... click to read more

  • Mary-Louise Timmermans | Professor at The Department of Geology & Geophysics, Yale University, Connecticut, USA
Views 4196
Reading time 3.5 min
published on Jul 31, 2019