Figure 8
From: Time-varying land subsidence detected by radar altimetry: California, Taiwan and north China

Vertical displacement rates in the croplands of the North China Plain from (a) TP (Aug 1992 – Jun 2002) and (b) J2 (Jun 2008 – Aug 2014). The cropland cover (shaded areas) is from Global Land Cover (GLC)-SHARE38, beta-release 1.0. GMT36 V5.1.3 (http://gmt.soest.hawaii.edu/) is used to plot the land cover, ground tracks and all the features.