%0 Dataset
%T Gridded data set of snow depth at Chinese meteorological stations in 1951-2015
%J National Cryosphere Desert Data Center
%I National Cryosphere Desert Data Center(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/9d6375ee-ef40-4f2e-8340-87748ecd4d95
%W NCDC
%R 10.12072/ncdc.CCI.db0033.2020
%A None
%K Snow cover;snow depth;gridding;observation
%X Based on the daily snow depth data of more than 700 meteorological stations in China, using the spatial representation of snow depth at each station and its functional relationship with the snow depth of surrounding stations, an optimal spatial interpolation algorithm for snow depth in China is developed, and a 0.5 degree gridded phenological snow depth data set in China is generated. The original data comes from the daily snow depth data set of 700 stations in China compiled and released by the meteorological information center of China Meteorological Administration. The interpolation method is developed according to the distribution characteristics of stations and snow depth in China. The data preprocessing in the production process follows the following specifications: due to the serious lack of daily snow depth data in China, in order to make full use of the existing data, the project calculates the maximum snow depth on the climatic scale, which is used as the basic data for the follow-up study of the project. In order to ensure the continuity and representativeness of the data, only the stations with valid data & gt; = 20 years from 1981 to 2010 are reserved in the interpolation calculation of the project. The regional average is calculated according to the northeast region (north of 40 ° n, east of 115 ° n), northwest region (north of 40 ° n, west of 105 ° n), Qinghai Tibet Plateau Region (south of 40 ° N and west of 105 ° n), and other regions not included in the three regions. If the effective number in the region is less than half of the total number of stations or grids in the region, it is assigned as missing survey.