Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2
From variable 3.20
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
- source
- NSIDC
- data type
- Map, manual delineation
- spatial domain
- Global
- spatial resolution
- Polygons from 1:10,000,000 paper map
- temporal coverage
- mid-late 20th century
- time step
- None
- data format
- Shapefiles
- comments
- None