Fig. 6From: Surface deformation evolution in the Pearl River Delta between 2006 and 2011 derived from the ALOS1/PALSAR images(Modified from Li et al. 1991)a Distribution map of the rivers in the PRD. The white dotted lines represent the rivers. b Coastlines of the PRD in the latest 6000 years. The background is the average displacement velocity map of the PRDBack to article page