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Global Permafrost Layers designed for Science on a Sphere (SOS) and WMS
Permafrost is permanently frozen ground that remains at or below 0°C for at least two years. The circumpolar permafrost and ground ice data depicts the distribution of permafrost and ground ice in the Northern Hemisphere and shows continuous, discontinuous, sporadic, and isolated permafrost boundaries.

In this image, the lightness of the color is used to designate different regions of permafrost over a transparent background. The four colors represent the following: sporadic permafrost (lightest color), isolated permafrost (2nd lightest color), discondinuous permafrost (2nd darkest color) and continuous permafrost (darkest color).    In this image, the lightness of the color is used to designate different regions of permafrost over a transparent background. The four colors represent the following: sporadic permafrost (lightest color), isolated permafrost (2nd lightest color), discondinuous permafrost (2nd darkest color) and continuous permafrost (darkest color).

Available formats:
  4000 x 2000     TIFF 1 MB
  320 x 160         PNG       32 KB
  160 x 80           PNG       10 KB
  80 x 40             PNG         3 KB


Permafrost regions listed above are shown over light green continents in darker shades of lavender while the Greenland ice sheet is shown in light blue.    Permafrost regions listed above are shown over light green continents in darker shades of lavender while the Greenland ice sheet is shown in light blue.

Available formats:
  4000 x 2000     TIFF 9 MB
  320 x 160         PNG     233 KB


Same as the above, without the background land and ocean.    Same as the above, without the background land and ocean.

Available formats:
  4000 x 2000     TIFF 1 MB
  320 x 160         PNG       33 KB


All classifications of permafrost shown with a single color on a transparent background.    All classifications of permafrost shown with a single color on a transparent background.

Available formats:
  4000 x 2000     TIFF 1 MB
  320 x 160         PNG       31 KB


Regions of continuous permafrost are shown with a transparent background.    Regions of continuous permafrost are shown with a transparent background.

Available formats:
  4000 x 2000     TIFF 1014 KB
  320 x 160         PNG       21 KB


Regions of discontinuous permafrost are shown with a transparent background.    Regions of discontinuous permafrost are shown with a transparent background.

Available formats:
  4000 x 2000     TIFF   451 KB
  320 x 160         PNG       10 KB


Regions of isolated permafrost are shown with a transparent background.    Regions of isolated permafrost are shown with a transparent background.

Available formats:
  4000 x 2000     TIFF   385 KB
  320 x 160         PNG         9 KB


Regions of sporadic permafrost are shown with a transparent background.    Regions of sporadic permafrost are shown with a transparent background.

Available formats:
  4000 x 2000     TIFF   414 KB
  320 x 160         PNG         9 KB


The background displays the continents in light green and the ocean in light blue.    The background displays the continents in light green and the ocean in light blue.

Available formats:
  4000 x 2000     TIFF 9 MB
  320 x 160         PNG     232 KB


The continental areas are shown in light green with a transparent background.    The continental areas are shown in light green with a transparent background.

Available formats:
  4000 x 2000     TIFF 5 MB
  320 x 160         PNG     116 KB


Ocean areas are shown with a transparent background.    Ocean areas are shown with a transparent background.

Available formats:
  4000 x 2000     TIFF 6 MB
  320 x 160         PNG     215 KB

Animation Number:3511
Completed:2008-04-30
Animator:Cindy Starr (GST) (Lead)
Video Editor:Victoria Weeks (HTSI)
Producer:Michael Starobin (HTSI)
Platform/Sensor/Data Set:Circum-Arctic Map of Permafrost and Ground-Ice Conditions
Series:Science On a Sphere
 SoS Production - FROZEN
Keywords:
DLESE >> Cryology
GCMD >> EARTH SCIENCE >> Cryosphere
GCMD >> EARTH SCIENCE >> Atmosphere >> Precipitation >> Snow
GCMD >> EARTH SCIENCE >> Cryosphere >> Frozen Ground >> Permafrost
DEPC Metadata is available here.
 
 
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio
National Snow and Ice Data Center
World Data Center for Glaciology


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