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![Screen capture from the Historical Sea Ice Atlas Screen capture from the Historical Sea Ice Atlas](https://toolkit.climate.gov/sites/default/files/styles/splash_image/public/seaiceatlas.jpg?itok=zz2lqIHC)
Historical Sea Ice Atlas
View maps of historical sea ice extent and concentration in the oceans surrounding Alaska from the mid-1800s through today.
This web-based atlas lets users view historical sea ice data collected around Alaska from the mid-1800s through today. Available data have been compiled for display on an interactive map. The atlas gives users the opportunity to view sea ice data from multiple sources in a single view.
Use this atlas to learn how sea ice extent and concentration around Alaska have changed over time. Users can also view changes in the open water season at any location.
Note that the atlas is not designed for forecasting or prediction, but its maps can provide useful historical context for future planning efforts.
Last modified:
10 May 2024 - 12:16pm
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