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

Figure 4

The monthly average deformation rate along LOS direction across East Dongting Lake during the dry season of 2017 (a), 2018 (b), and 2019 (c). The base image is an optical image of each dry season. White line represents the embankment of East Dongting Lake, and the blue lines are the rivers around East Dongting Lakes. HRR: Huarong River; LQR: Longqing River; LGR: Laogan River; XQR: Xinqiang River; YLR: Yuelai River. Red dots represent the main towns. a: Junshan district, b: Yueyang city, and c: Yueyang county. Region A: southern floodplain area, Region B: entrance of the Xinqiang River, and Region C: northwest catchment area.

(a)

(b)

(c)