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Catalog Record: Arctic Circumpolar Distribution and Soil Carbon of Thermokarst Landscapes, 2015
Filename: map (4).geojson

Organizations

UAF
UALB

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Arctic Circumpolar Distribution and Soil Carbon of Thermokarst Landscapes, 2015

This data set provides the distribution of thermokarst landscapes in the boreal and tundra ecoregions within the northern circumpolar permafrost zones. This dataset provides an areal estimate of wetland, lake, and hillslope thermokarst landscapes as of 2015. Estimates of soil organic carbon (SOC) content associated with thermokarst and non-thermokarst landscapes were based on available circumpolar 0 to 3 meter SOC storage data.

A spatial modelling framework was used to estimate where thermokarst landscapes are currently located or could develop.The framework weighed the perceived relative influence of landscape characteristics including ground ice content, sedimentary overburden thickness, permafrost zonation, terrestrial ecoregion, topographical roughness, and the presence of permafrost peat soils (histels). Weights of landscape characteristics for determining the regional coverage were decided through an expert elicitation, which included input from all co-authors as well as from members of the Permafrost Carbon Network.

Estimates of SOC storage for the three thermokarst landscape types, and non-thermokarst landscapes,were based on available spatial information of 0-3 m SOC storage from Hugelius et al., (2014). Partitioning of the total SOC storage within each region of this study were based on the thermokarst landscape coverages, region-specific SOC concentrations (kg C/m2), and areal coverages of different soil types.

There is one shapefile (.shp) with this data set. The data are also provided in .kmz format as a companion file for viewing in Google Earth.

Complete
2016-08-23

Data and Resources

  • View website

    Website :: Data: ORNL DAAC

    https://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1332

  • View website

    Website :: Publication

    http://www.nature.com/articles/ncomms13043

Status: Complete
Type: Data
End Date: 2016/08/23
Data Types: GIS
Other Contacts
Name: David Olefeldt
Name: Vladimir Romanovsky
Email: veromanovsky@alaska.edu
Name: David McGuire
Other Organizations
University of Alaska Fairbanks, University of Alberta

Regions
Arctic

Collections
GIS Data

Direct Record Link
http://catalog.northslopescience.org/catalog/entries/8337-arctic-circumpolar-distribution-and-soil-carbon
Direct Full Map Link
http://catalog.northslopescience.org/catalog/entries/8337-arctic-circumpolar-distribution-and-soil-carbon/map