@data{10.57760/sciencedb.01869,
title = {Circumpolar Arctic Land Cover for circa 2020 (CALC-2020)},
author = {刘冲},
url = {http://www.ncdc.ac.cn/portal/metadata/ce37070c-315d-4f22-a158-6fd1e9674153},
cstr = {31253.11.sciencedb.01869},
doi = {10.57760/sciencedb.01869},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}