Analysis of Surface Deformation in East Dongting Lake Based on 2016-2019 Sentinel-1A Dataset

Figure 5

Surface deformation rate caused by soil erosion in East Dongting Lake during the flood season of 2017 (a), 2018 (b), and 2019 (c). The base image is an optical image of each flood season. The white line represents the embankment of East Dongting Lake, and the blue lines are the rivers around East Dongting Lake. HRR: Huarong River; LQR: Longqing River; LGR: Laogan River; XQR: Xinqiang River; SR: sandbank area; YLR: Yuelai River. Region D: Huarong River Basin, Region E: Ouchi River and its tributaries, Region F: Xinqiang River Basin, and Region G: sandbank area. Red dots represent the main towns. a: Junshan district, b: Yueyang city, and c: Yueyang county.

(a)

(b)

(c)