%0 Dataset %T Winter Olympics Zhangjiakou District SPA Snow Quality Analysis System Snow Quality Minute by Minute Observation Dataset (2021) %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/0d63f7b2-36f1-41fe-8820-e1f6289fe293 %W NCDC %R 10.12072/ncdc.t-snow.db2887.2023 %A None %K Snow layer density;moisture content;and temperature %X This dataset was automatically observed using the SPA snow observation system near the Zhangjiakou Winter Olympics race track. The level sensor of the snow observation system measures the depth of the snow layer; Tilt sensors measure density, moisture content, ice content, and snow water equivalent at distances of 5cm, 20cm, and 40cm from the snow surface.The dataset consists of 56 sets of birthday value data and 8088 sets of minute value data, stored in Microsoft Excel spreadsheet format. The data elements are detailed in the explanatory information table.