TY - Data T1 - 30 arc-second DEM data of Heihe river basin A1 - NianYanyun DO - 10.12072/ncdc.westdc.db3659.2023 PY - 2020 DA - 2020-12-18 PB - National Cryosphere Desert Data Center AB - According to the DEM data of 1:250000 digital contour lines and elevation points issued by the national basic geographic information center of China, the data is generated by the nearest neighbor resampling method of ArcGIS spatial analysis module, with a spatial resolution of 30 sec. DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/44c5b56e-ed78-4b29-a846-4b92f5e4e3af ER -