The DEM dataset in key areas of Qilian mountain (2018)
This dataset is the 2018 Digital Elevation Model (DEM) of the key area of Qilian Mountain,spatial resolution 5m. This dataset is based on the high-definition survey satellite ZY-3. Through the three-lines CCD with spatial resolution of 2.1m and 3.5m, combined with the basic data such as high-precision topographic maps. The dem is generated by the front-view stereo relative and adjustment model. Finally, the 5m×5m Qilian Mountain key area DEM data set was spliced by the Mosaic tool of GIS software. The data can be applied to three-dimensional spatial data processing, hydrological analysis, terrain analysis, disaster monitoring, and human activity monitoring in key areas of Qilian Mountain.
File Naming Convention: Region+Resolution+data name.tif
Projection：+proj=longlat +datum=WGS84 +no_defs
Data Format: GeoTIFF, 32372 rows ×11990 columes
DEM Unit: 5meters×5meters
DME Valid Range：1658~5665
Qi, Y., Zhang, J., Zhou, S., Wang, H. (2019). The DEM dataset in key areas of Qilian mountain (2018). A Big Earth Data Platform for Three Poles, DOI: 10.11888/Geogra.tpdc.270144. CSTR: 18406.11.Geogra.tpdc.270144. (Download the reference： RIS | Bibtex )
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Pan-Third Pole Environment Study for a Green Silk Road-A CAS Strategic Priority A Program (No:XDA20000000)
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Attribution 4.0 International (CC BY 4.0)
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