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Looking for facts and information? See About the Cryosphere.
Icelights: Answers to your burning questions about ice and climate
What's hot in the news around climate and sea ice and what are scientists talking about now? Read more...
What is the Cryosphere?
When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Read more ...
MODIS/Terra Sea Ice Extent Daily L3 Global 1km EASE-Grid Night (MOD29P1N) data set contains tiles of daily 1 km resolution nighttime ice surface temperatures and quality assessment data, gridded to the Equal Area Scalable Earth Grid (EASE-Grid).
Note: Version 6 reprocessing was completed in October, 2015. Forward processing will continue for both Version 5 and Version 6 for approximately one year, after which Version 5 will be discontinued.
Sea ice extent and ice surface temperature algorithms and data sets are the same as Version 5. However, revisions and improvements for Version 6 to algorithm inputs have improved sea ice outputs as follows:
N: 90, S: -90, E: 180, W: -180