In the process of data set production, firstly, the sentinel-1 satellite data is downloaded from GEE platform, and then the hmrf algorithm is used to classify the downloaded data in batches to obtain the grid classification results of different lake ice types. Secondly, the raster data is converted into vector data in IDL. Finally, the vector data is post processed in ArcGIS to obtain the three polar regions from 2015 to 2019 Vector data sets of different lake ice types in the region. The data is in the folder of region, each region has different lakes, named by number, and imported into GIS to obtain the lake ice type of corresponding date.
TIAN Bangsen, QIU Yubao. 30 m resolution lake ice type data set of Qinghai Tibet Plateau, Siberia and alaga river lake region, 2015-2019. A Big Earth Data Platform for Three Poles, 2020. doi: 10.11888/Glacio.tpdc.270806. (Download the reference： RIS | Bibtex )
Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.
CASEarth:Big Earth Data for Three Poles（grant No. XDA19070000） (No:XDA19000000)
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|East: -167.00||West: 137.00|
|South: 25.00||North: 72.00|
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LinksNational Tibetan Plateau Data Center