A daily, 0.05° Snow depth dataset for Tibetan Plateau (2000-2018)- A Big Earth Data Platform for Three Poles

Under the funding of the first project (Development of Multi-scale Observation and Data Products of Key Cryosphere Parameters) of the National Key Research and Development Program of China-"The Observation and Inversion of Key Parameters of Cryosphere and Polar Environmental Changes", the research group of Zhang, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, developed the snow depth downscaling product in the Qinghai-Tibet Plateau. The snow depth downscaling data set for the Tibetan Plateau is derived from the fusion of snow cover probability dataset and Long-term snow depth dataset in China. The sub-pixel spatio-temporal downscaling algorithm is developed to downscale the original 0.25° snow depth dataset, and the 0.05° daily snow depth product is obtained. By comparing the accuracy evaluation of the snow depth product before and after downscaling, it is found that the root mean square error of the snow depth downscaling product is 0.61 cm less than the original product.

The details of the product information of the Downscaling of Snow Depth Dataset for the Tibetan Plateau (2000-2018) are as follows. The projection is longitude and latitude, the spatial resolution is 0.05° (about 5km), and the time is from September 1, 2000 to September 1, 2018. It is a TIF format file. The naming rule is SD_yyyyddd.tif, where yyyy represents year and DDD represents Julian day (001-365). Snow depth (SD), unit: centimeter (cm). The spatial resolution is 0.05°. The time resolution is day by day.

File naming and required software

File naming: the dataset is a file in TIF format, and the naming rule is SD_ Yyyyddd.tif, where yyyy represents year and DDD represents Julian day (001-365).
Data reading method: all TIF files in the dataset can be opened directly with ArcGIS or envi.

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Cite as:

Yan, D., Ma, N., Zhang, Y. (2021). A daily, 0.05° Snow depth dataset for Tibetan Plateau (2000-2018). A Big Earth Data Platform for Three Poles, DOI: 10.11888/Snow.tpdc.271743. CSTR: 18406.11.Snow.tpdc.271743. (Download the reference： RIS | Bibtex )

Related Literatures:

1. Yan, D., Ma N., Zhang Y. (2022). Development of a fine-resolution snow depth product based on the snow cover probability in the Tibetan Plateau: Validations and spatial-temporal analyses. Journal of Hydrology, 604,127027. https://doi.org/10.1016/j.jhydrol.2021.127027( View Details | Download | Bibtex)

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