permafrost extent variable datasets
Summary of historical datasets for permafrost extent. The table presents two types of data reflecting the mode of generation: manual delineation as polygons and gridded models that rely on computer simulation
Report table: 3.20
Count: 5
| Name | Source | Data type | Spatial domain | Spatial resolution | Temporal coverage | Time step | Data format | Details |
|---|---|---|---|---|---|---|---|---|
|
Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2
|
NSIDC | Map, manual delineation | Global | Polygons from 1:10,000,000 paper map | mid-late 20th century | n.a. | Shapefiles | details |
|
Permafrost Map of Canada
|
NRCan | Map, manual delineation | Canada | Polygons from 1:7,500,000 map | mid-late 20th century | n.a. | details | |
|
Permafrost Zonation Index
|
University of Zurich | Model based on reanalyses | Global | ~1 km x 1 km | equilibrium 1960–1990 | n.a. | WMS; Binary | details |
|
Circumpolar permafrost maps
|
Published in Scientific Data | Model based on reanalyses | North of N30º | ~1 km x 1 km | equilibrium 2000–2014 | n.a. | GeoTIFF | details |
|
Permafrost extent for the Northern Hemisphere, v3.0
|
CEDA Archive/ESA Permafrost CCI+ | Model based on reanalyses | North of N30º | ~1 km x 1 km | A: 2003–2019B: 1997–2002 | Annual | NetCDF | details |