Spatial Interpolation of Annual Runoff in Ungauged Basins Based on the Improved Information Diffusion Model Using a Genetic Algorithm

Figure 6

Comparison of observed runoff and interpolated runoff forced by IDW, COK, SIDM, OIDM, and GIDM at gauges Lanzhou (a), Lijin (b), and Hongqi (c) from 2002 to 2011.

(a)

(b)

(c)