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Data Details

Dataset of Yangguan Oasis,River System and Mountainous Elevation Classification

GUI Dongwei1,2,3LIN Jingwu1,2,3LI Bofei1,2ZHANG Siyuan1,2LIU Chuang4
1 State Key Laboratory of Desert and Oasis Ecology,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi 830011,China2 Cele National Station of Observation and Research for Desert-Grassland Ecosystems,Cele 848300,China3 University of Chinese Academy of Sciences,Beijing 100049,China4 Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China


Published:Jul. 2023

Visitors:1864       Data Files Downloaded:17      
Data Downloaded:21.02 MB      Citations:

Key Words:

Quancaoqu River,Jiu quan,Dunhuang,oasis,catchment,elevation,Gansu,data encyclopedia


The Yangguan Oasis is located in Dunhuang and Aksai Kazakh Autonomous County in Jiuquan, Gansu Province, China. The geolocation of the Yangguan Oasis is between 39°34′00″N and 40°07′32″N,93°58′47″E and 94°21′45″E. The Yangguan Oasis consists of 15 oases with a total area of 83.18 km² (Albers). In which, the largest oasis covers an area of 40.80 km². The main rivers that nourish the Yangguan Oasis are Quancaoqu River, Shagou River and Donggou River, and their main streams are 124.58 km, 112.62 km and 59.05 km respectively. The geolocation of the mountainous part of the Yangguan catchment is between 39°15′17″N and 39°28′54″N, 93°50′13″E and 94°34′15″E. The area of the catchment is 819.00 km². The elevation of the mountainous catchment was divided into 7 types. The dataset is consisted of (1) boundary data of the Oasis; (2) boundary data of the mountainous part of the catchment; (3) river system; (4) elevation classification data of the mountainous catchment. The dataset is archived in .kmz, .shp and .tif data formats, and consists of 49 data files with data size of 9.96 MB (Compressed to 4 files with 3.82 MB).

Foundation Item:

Xinjiang Uygur Autonomous Region (2022D01E099)

Data Citation:

GUI Dongwei, LIN Jingwu, LI Bofei, ZHANG Siyuan, LIU Chuang. Dataset of Yangguan Oasis,River System and Mountainous Elevation Classification[J/DB/OL]. Digital Journal of Global Change Data Repository, 2023.


     [1] NASA/METI/AIST/Japan Space systems,U.S./Japan ASTER Science Team. ASTER Global Digital Elevation Model V003 [DB/OL]. Distributed by NASA EOSDIS Land Processes DAAC,2018.
     [2] Editorial Committee of Encyclopedia of Rivers and Lakes in China. Encyclopedia of Rivers and Lakes in China: Section of River Basins in Northwest Region [M]. Beijing: China Water & Power Press,2014.

Data Product:

ID Data Name Data Size Operation
1 M.YangguanRiversCatchment.kmz 24.97KB
2 YangguanOasis.kmz 658.86KB
3 YangguanOasisRiversCatchEVC.rar 1800.09KB
4 YuangguanRiverSystem.kmz 1432.47KB