Research Article

Attribution Analysis of Runoff Variation in the Yue River Watershed of the Qinling Mountains

Table 1

Hydrometeorological characteristic values in the Yue River watershed.

WatershedPeriodRPET0nR/PET0/PElasticity coefficients
mmmmmmεpεn

Yue RiverPeriod I (1960–1990)332.4883.3918.21.410.381.041.81−0.81−0.81
Period II (1991–2018)253.6861.8900.71.870.291.052.15−1.15−0.89

Note: R represents runoff depth; P represents precipitation; ET0 represents potential evapotranspiration; n represents underlying surface feature parameters; R/P represents runoff coefficient; ET0/P represents drought index; εp represents elasticity coefficient of precipitation; εET0 represents elasticity coefficient of ET0, and εn represents elasticity coefficient of underlying surface feature parameters.