Figure 1: Study area maps. (a) Locations of the TGP and Poyang Lake Basin in the Yangtze River basin; the red triangle is the TGP and the background is SRTM DEM. (b) Major tributaries and gauges in the basin; the average TRMM precipitation during 1998–2012 is shown as background. The black triangles and blue lines annotate the hydrologic stations in the lake and its main tributaries, respectively.