Sea Ice Today - National Snow and Ice Data Center
Obtain daily sea ice extent values, ranges, and median values for the Arctic or the Antarctic. Analyze monthly-averaged or daily sea ice extent and concentration via interactive maps. Plot …
Current State of Sea Ice Cover | Earth - NASA
2025年1月15日 · Shown below are up-to-date satellite observations of the sea ice covers of both the Arctic and the Antarctic, along with comparisons with the historical satellite record of more …
Ice Sheets Today - National Snow and Ice Data Center
2025年1月8日 · Ice Sheets Today offers the latest satellite data and scientific analyses on surface melting of the Greenland Ice Sheet in the Northern Hemisphere and Antarctic Ice Sheet in the …
Sea Ice - NOAA Arctic
Sea ice plays a key role in polar ecosystems, providing an essential habitat for marine life and modulating the biogeochemical balance of the Arctic. The sea ice cover has long played a …
Arctic sea ice extent levels off; 2024 minimum set
2024年9月24日 · On September 11, Arctic sea ice likely reached its annual minimum extent of 4.28 million square kilometers (1.65 million square miles). The 2024 minimum is the seventh …
Greenland Ice Sheet - NOAA Arctic
We summarize the mass changes for the 2024 mass balance year, 1 September 2023 through 31 August 2024, and discuss influential factors. The Greenland Ice Sheet gains mass chiefly from …
Sea Ice Thickness and Volume - Polar Portal
The Danish arctic research institutions present updated knowledge on the condition of two major components of the Arctic: The Greenland Ice Sheet and the sea ice.
Sea Ice Today and Ice Sheets Today - National Snow and Ice Data …
In the Arctic, the annual minimum sea ice extent occurs in September and the annual sea ice maximum extent occurs in March. In the Antarctic, the minimum extent occurs in February or …
Arctic ice pack - Wikipedia
The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. The Arctic ice pack undergoes a regular seasonal cycle in which ice melts in spring and summer, reaches a …
Sea Ice - NOAA Arctic
Arctic sea ice is the frozen interface between the ocean and the atmosphere. It reduces the absorption of solar energy because of its high albedo relative to the darker open ocean …