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Data Details

Dataset of Yiwu Oasis, River System, Catchment and Elevation Classification

GUI Dongwei1,2,3LI 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:Mar. 2023

Visitors:2251       Data Files Downloaded:44      
Data Downloaded:60.73 MB      Citations:

Key Words:

Aletunkunduo River,Yiwu River,Tuergan River,oasis,catchment,elevation,Xinjiang,data encyclopedia


The Yiwu Oasis is located in Yiwu of Hami, Xinjiang Uygur Autonomous Region, China. The geolocation of the Oasis is between 43°02′53″N and 43°51′31″N, 94°05′46″E and 95°20′56″E. The Yiwu Oasis consists of 13 oases with a total area of 499.00 km² (Albers projection), total perimeter of 481.13 km (Lambert projection). And the largest oasis covers an area of 283.11 km² and a perimeter of 183.93 km. The main rivers are Aletunkunduo River, Yiwu River and Tuergan River. Their main stream lengths are 76.44 km, 49.97 km and 35.47km, separately. The mountainous part of the Yiwu rivers’ catchment is between 42°58′35″N and 43°39′58″N, 93°46′05″E and 94°53′50″E. Its area is 3203.69 km², 6.4 times of the Yiwu Oasis. The elevation of the catchment is classified into 9 types. This dataset was developed based on Google Earth images in 2020 (in meters), ASTER GDEM 30 m data, and in situ data. The dataset includes: (1) boundary data of the Yiwu Oasis; (2) Yiwu river system and lakes; (3) boundary data of the mountainous part of the Yiwu rivers’ catchment; (4) elevation classification data in the catchment. The dataset is archived in .kmz, .shp and .tif data formats, and consists of 62 data files with data size of 7.88 MB (Compressed to 5 files with 5.31 MB).

Foundation Item:

Xinjiang Uygur Autonomous Region(2022D01E099)

Data Citation:

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


[1] NASA/METI/AIST/Japan Spacesystems, 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 MontPartofYiwuRiverCatchment.kmz 351.68KB
2 TuolekuleLake.kmz 142.48KB
3 YiwuOasis.kmz 1102.32KB
4 YiwuOasisRiversCatchmentEVC.rar 3131.17KB
5 YiwuRiverSystem.kmz 710.57KB