Figure 9

Location of the study area. (a) Location of Yangtze River and Hubei Province in China; (b) Location of Gezhouba Dam in Hubei Province, which is shown in red; (c) General condition of the field survey and location of the cross-sections (CS1–CS6); (d) Location of the units of Dajiang Plant and bathymetric map of the study area. Maps in figure (a), (b) and (c) generated in ArcGIS Pro (https://www.esri.com/en-us/arcgis/products/arcgis-pro/overview). Map in figure (d) generated in Tecplot360 EX 2020 R1 (https://www.tecplot.com/products/tecplot-360/).