Related topics: climate change · arctic · nasa · ice · satellite

Scientists warn that the Baltic Sea gray seal hunt is too large

Researchers at the University of Gothenburg warn that today's hunting quotas of about 3,000 animals pose a risk to the long-term survival of the gray seal in the Baltic Sea. The conclusions of this new study are based on ...

The lows and lows of Antarctic sea ice

Data from the US National Snow and Ice Data Center (NSIDC) have revealed another summer of exceptionally low sea-ice extent around Antarctica.

page 1 from 2

Sea ice

Sea ice is formed from ocean water that freezes. Because the oceans consist of saltwater, this occurs at about -1.8 °C (28.8 °F).

Sea ice may be contrasted with icebergs, which are chunks of ice shelves or glaciers that calve into the ocean. Icebergs are compacted snow and hence fresh water.

Sea ice may be deliberately created or manipulated, see Arctic geoengineering for details.

This text uses material from Wikipedia, licensed under CC BY-SA