Figure 1: (IMAGE) Science China Press Caption Spatial variation of (a) precipitation, (b) evaporation, (c) near-surface soil moisture, (d) soil porosity in Mainland China. The values in (a-c) are averaged over July of 2002-2011, and Figure (d) is from Shangguan et al. (2013). The grids covering large lakes and near-coastal areas are removed. Low soil moisture content in part of the southwestern region (oval-covered part), reflecting the region's predominance of coarse-grained purple soils with low soil porosity (d) Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.