TY  - Data
T1  - Distribution Map of 50km×50km Grid Coverage Area for 9-Class Land Cover in the Arctic Region, 2024
A1  - Shuai Yanmin
A1  - Qu Ge
A1  - Huo Sihui
A1  - Ma Xianwei
PY  - 2026
DA  - 2026-02-12
PB  - National Cryosphere Desert Data Center
AB  - The spatial distribution pattern of Arctic vegetation diversity constitutes a crucial factor underpinning the ecological stability of the Arctic region. Therefore, a thematic map of surface cover diversity at a spatial resolution of 50 km was derived from the ARC-2024 Circum-Arctic Land Cover Product (with a 10 m spatial resolution). By employing a spatial aggregation approach, this dataset consolidates the original high-resolution land cover raster data into grid cells of 50 km × 50 km, and calculates both the absolute coverage area and relative proportion of different land cover types within each grid cell. The nine land cover categories include: Low Shrub (LS), Dwarf Shrub (DS), Grassland (GR), Sparse Forb (SF), Wetland (WL), Water Body (WA), Moss and Lichen (ML), Bare Ground (BG), and Ice and Snow (IS). Considering that Built-up Area (BA) has an extremely limited spatial distribution across the pan-Arctic region, this category was not incorporated into the dataset. This gridded product can effectively support regional-scale vegetation pattern analysis, ecosystem service assessment, and climate change response research, thereby providing a standardized spatial statistical framework for polar scientific investigations.
DB  - NCDC
UR  - http://www.ncdc.ac.cn/portal/metadata/b6a73661-ec98-4432-affa-e2680d596e43
ER  -