Research Article

Evolution of Hydrological Drought in Human Disturbed Areas: A Case Study in the Laohahe Catchment, Northern China

Figure 10

Monthly variations of (a) precipitation and (b) runoff during the past 46 years. The red and blue lines represent variables in 1994 and 1995, respectively, and the grey lines represent variables in other 44 years.
(a) Precipitation
(b) Runoff