TY - Data T1 - Boundary range of desert oasis transition zone in China and corresponding TCI and NDVI data (August 2015, 2017-2018) A1 - He zhibin A1 - None A1 - SuYongzhong DO - 10.12072/ncdc.STXF.db0001.2021 PY - 2021 DA - 2021-10-22 PB - National Cryosphere Desert Data Center AB - The data set includes: ① MODIS of Zhangye oasis desert transition zone_ NDVI pattern analysis source data: grid data from May to September of each year from 2017 to 2018; ② TCI and NDVI_ Grid source data: three kinds of grid data with different resolutions, with spatial resolutions of 30m, 100m and 250m; ③ Boundary width_ Source data: boundary data of desert, desert, rocky bare mountain and Haloxylon ammodendron, as well as average and standard deviation grid data in March, may, July, September and November; ④ Research scope_ Vector source data. The source data used for MODIS data is mod09gq data, and the selection condition is the data with daily cloud amount of 0 after effective precipitation from May to September. Landsat 8 oli data selection conditions are cloud amount 0, vegetation growth period, atmospheric radiation correction first, and then band calculation and analysis. DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/ca6350e9-2afd-40db-9f64-ebea1762aafa ER -