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Circumpolar Landscape Age Map

The landscape age map shows the length of time (in thousands of years) that Arctic landscapes have been available for plant colonization and the development of plant communities (Raynolds et al 2008). For most areas, this would be the time since the most recent deglaciation. Other areas first became available for plant colonization after emerging from under water due to drainage of glacial lakes or isostatic rebound. Areas for which no Wisconsin glaciation is known, were coded as 9999.These data came mostly from Ehlers, J. and P. L. Gibbard (eds., 2004). The map was based on the Circumpolar Arctic Vegetation Map (CAVM Team 2003) shapefile, with an attribute added for landscape age. Polygon boundaries were modified where necessary to follow glaciation data.

Back to Circumpolar Arctic Vegetation Map

Data and Resources

  • Download
    Download :: Map Image

    aga_circumpolar_landscape_age_2009.jpg (1.18 MB)

  • Download
    Download :: GIS Data

    aga_circumpolar_landscape_age_2009_shp.zip (16.5 MB)

  • Download
    Download :: Publication

    Raynolds_et_al_2009_CJRS_age.pdf (4.36 MB)

Status: Complete
Type: Data
Data Types: Image, GIS, Map
Primary Contact
Raynolds, Martha
ISO Topics
geoscientificInformation, imageryBaseMapsEarthCover

Geo-keywords
Arctic

Collection
All Maps, Circumpolar Arctic Vegetation Map

Direct Record Link
http://alaskaaga.gina.alaska.edu/catalogs/7064-circumpolar-landscape-age-map
  • 07969bba1ee875e70c44c0423525d17f
    Updated by Jana
    2016-02-22 17:57:04 -0900
  • 07969bba1ee875e70c44c0423525d17f
    Updated by Jana
    2016-02-22 17:52:49 -0900
  • 07969bba1ee875e70c44c0423525d17f
    Updated by Jana
    2015-10-12 16:22:26 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2015-03-25 11:17:27 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-06-30 13:04:26 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-06-30 13:03:46 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-05-13 13:12:38 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-04-15 11:37:07 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-04-15 08:05:04 -0800
  • 01c8ceef3d596f40f05bf496ca00d929
    Updated by Lisa
    2014-04-08 11:53:35 -0800
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