基于数字滤波法和SWAT模型的灞河流域基流时空变化特征研究

胡胜, 杨冬冬, 吴江, 高宇, 邱海军, 曹明明, 宋进喜, 万虹麟

Spatiotemporal Variation Characteristics of Baseflow in the Bahe River Basin Based on Digital Filter Method and SWAT Model

Sheng Hu, Dongdong Yang, Jiang Wu, Yu Gao, Haijun Qiu, Mingming Cao, Jinxi Song, Honglin Wan

表2 基流退水系数α对SWAT模型效率的影响

Table 2 Baseflow α factor impacts on the efficiency of the SWAT model

水文站 ALPHA _BF率定前 ALPHA _BF率定后 R2 NSE PBIAS R2 NSE PBIAS 罗李村 0.85 0.71 31.84% 0.88 0.88 5.96% 马渡王 0.83 0.72 28.64% 0.84 0.80 15.96%