TY - Data T1 - Spatial and temporal distribution data set of oasis in arid areas of China (2000-2019) A1 - He zhibin A1 - None A1 - None DO - 10.12072/ncdc.STXF.db0011.2021 PY - 2021 DA - 2021-10-22 PB - National Cryosphere Desert Data Center AB - Using MODIS mod13 series data, Yikang and ArcGIS software, this data automatically specifies classification and visual modification, and completes the spatial-temporal distribution data of oasis in arid area from 2000 to 2019 based on multi-scale segmentation and NDVI threshold method. The data acquisition site is the arid area of Northwest China, and the accuracy is more than 90% after field verification. DB - NCDC UR - http://www.ncdc.ac.cn/portal/metadata/2ee6aa92-0747-4e00-abbe-c48c60f84737 ER -