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30 paź 2024 · The plots and color-coded maps are chosen to provide information about the current state of the sea ice cover and how the most current daily data available compare with the record lows and record highs for the same date during the satellite era.
2 dni temu · Sea ice loss has far-reaching effects on the planet because the ice helps regulate Earth’s climate, influences global weather patterns, and affects ocean circulations. Sea Ice Today began as a way to make sea ice science and analysis more relevant and accessible.
During the winter, on average about 18.5 million square kilometers (7.1 million square miles) of ocean is covered by sea ice, but by the end of summer, only about 2.5 million square kilometers (965,000 square miles) of sea ice remain.
Featured Research. Sea Ice Today and Ice Sheets Today. Climate change is affecting the polar regions more than any other place on Earth. The Arctic is warming two to four times as fast as the rest of the globe, with one consequence being a long-term declining trend in Arctic sea ice.
The US National Ice Center Web Site provides a Current Daily Ice Analysis, offering maps of current sea ice thickness and extent for both the northern and southern hemispheres using a variety of algorithms, with downloadable datasets.
Sea Ice Forecasts. These 0-10 day, experimental, sea ice forecasts are produced by the NOAA Physical Sciences Laboratory from a fully coupled ice-ocean-atmosphere model called CAFS. CAFS is run daily and posted online at 2 UTC.
Sea ice age is defined as the time that has passed since the formation of the surface layer of an ice covered region of the ocean. Sea ice concentration is the fraction of a horizontal cell covered by ice.
