This data set is based on MODIS data and improved terrain-affected NDSI ratio algorithm to obtain snow area, and perform spatio-temporal data interpolation. Finally, it is obtained by multi-source data fusion with AMSR-E microwave snow depth products.
This data set uses the Geographic projection method, the geodetic datum is WGS84, and the spatial resolution is 0.005 °. It provides a map of the snow-free area of the Qinghai-Tibet Plateau with cloudless coverage from 2008 to 2010. The data set is stored by year and consists of 3 folders, from 2008 to 2010. Each folder contains the classification results of the day-to-day snow cover for the current year. It is a tif file with the naming rule: YYYY .tif, where YYYY represents the year (2008-2010), Representative Day (001 ~ 365/366). Can be opened directly with ARCGIS or ENVI.
MODIS data, AMSR-E microwave snow depth products
This data set is based on MODIS data, improved NDSI ratio algorithm of terrain impact to obtain snow area, and interpolation of spatiotemporal data. Finally, it is obtained by multi-source data fusion with AMSR-E microwave snow depth products.
Data set quality control through strict manual audit
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