@data{10.12072/ncdc.westdc.db3705.2023,
title = {1:100000 Topographic Index of Heihe River Basin},
author = {Zhaojun and Wang jianhua},
url = {http://www.ncdc.ac.cn/portal/metadata/e29c35d7-bba5-4ee0-b6ce-a5f546b1b612},
cstr = {11738.11.ncdc.Westdc.2020.357},
doi = {10.12072/ncdc.westdc.db3705.2023},
journal = {National Cryosphere Desert Data Center},
publisher = {National Cryosphere Desert Data Center(www.ncdc.ac.cn)}
}