Cryosphere

Cryospheric variables include sea ice concentration, sea ice thickness, snow cover, glacier extent, and more. Overview pages summarize and compare selected datasets of a given variable.

To find a specific dataset or variable, jump to the search box below or click your desired variable from among the blue sub-category buttons.

To view only the datasets with commentaries from experts, select the "Datasets with guidance" button when using the search box.

Climate datasets

Has expert guidance
Global Permafrost Zonation Index Map Global Permafrost Zonation Index Map

  • Years of Record

This data set contains a global (excluding Antarctica) 1 km map of permafrost zonation. It is an estimate of to what degree permafrost exists in a region nearly everywhere,…

Main variables and Earth System components

Cryosphere Permafrost Land
Permafrost: Circum-Arctic Map of Permafrost and Ground Ice Conditions Permafrost: Circum-Arctic Map of Permafrost and Ground Ice Conditions

  • Years of Record

The circumpolar permafrost and ground ice data contribute to a unified international data set that depicts the distribution and properties of permafrost and ground ice in…

Main variables and Earth System components

Cryosphere Permafrost Land

  • Experts contributing reviews

  • N/A
NSIDC Sea Ice Index NSIDC Sea Ice Index

  • Years of Record

  • 1978-10 to 2022-01

The NSIDC Sea Ice Index is a suite of easy-to-use sea ice analyses to track changes in Arctic and Antarctic sea ice. The product is produced and supported by the NOAA at…

Main variables and Earth System components

Cryosphere Sea Ice Concentration