Figure 1

source: Sentinel-2 (https://scihub.copernicus.eu/dhus/#/home).
Location of study area. The picture on the left shows the map of China and the province map where the research area is located. The picture on the right is a false-color image of the study area of the Dasha River Basin, which includes the collection points of different features. Map created in ENVI5.3 and ArcMap 10.7 (ESRI Co., USA (https://envi.geoscene.cn/)/(https://www.esri.com/software/arcgis/arcgis-for-desktop)). Boundaries made with free vector data provided by National Catalogue Service for Geographic Information (https://www.webmap.cn/commres.do?method=dataDownload). The satellite imagery data