(1.4)--2.1水文循环与水量平衡.pdf

1.2.2.1 1.1 1.1 1.1 1.2 2.1 2.2 I-O=W=W2-W1I O W W1 W2 t 2.3 t Pl-R-El=Wl Po+R-Eo=WoPo Eo t Pl El t R t Wo Wl t t=+Pl+Po-El-Eo=Wl+WoP-E=WglP t E t Wgl t 2.3 W 0 Pl-R=ElPo+R=Eo Pl+Po=El+EoP=E=1130mm 2.4 t P+Rsl+Rgl-E+Rso+Rgo+q=WP t Rsl Rgl t E:t Rso Rgo t q t W t 2.5 t P-R-E=WR t P=R+E 1.2.3.4.