Variation of Runoff and Precipitation in the Hekou-Longmen Region of the Yellow River Based on Elasticity Analysis

Table 3

Estimation of precipitation elasticity of runoff in the Hekou-Longmen region, Huangfuchuan, and Yanhe.

Study area	Periods	Precipitation elasticity; of runoff
Hekou-Longmen region	Before 1979	1.11
	1980–1998	0.60
	1999–2010	0.04
	1980–2010	0.40
Huangfuchuan	Before 1979	1.09
	1980–1998	2.78
	1999–2010	2.27
	1980–2010	2.89
Yanhe	Before 1996	1.26
	1997–2010	0.42