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

Table 2

Mean annual precipitation, runoff, runoff coefficient, baseflow, and BFI of every decadal-year over the Laohahe catchment during the past half-century.

	Precipitation (mm)	Streamflow (mm)	Runoff coefficient	Baseflow (mm)	BFI
1964–1969	414.60	38.34	0.09	10.98	0.29
1970–1979	455.01	35.87	0.08	10.06	0.29
1980–1989	396.31	15.95	0.04	4.89	0.35
1990–1999	473.38	42.98	0.09	12.92	0.32
2000–2009	379.06	9.73	0.03	3.70	0.44