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根据前期大气环流和水文要素与年径流量,汛期最大流量及各月最大流量的对应关系,以及水文要素演变规律等,经过计算分析,作出了泾、洛、渭、汉江、嘉陵江的主要控制站(张家山、洑头、林家村、魏家堡、咸阳、华县、武候镇、洋县、安康、略阳)和黄河龙门站1989年年径流总量和年最大流量,汛期(5～10月)各月最大流量,黄河潼关站1989年径流总量的展望,供参考。总趋势: 年径流总量:黄河龙门站、潼关站正常偏丰1成;泾、洛河正常至偏枯2～3成;渭河上游正常至偏枯2成,中游正常至偏丰
According to the relationship between the previous atmospheric circulation and hydrological factors and the annual runoff, the maximum flow in the flood season and the monthly maximum flow, as well as the evolution of hydrological elements, the main control stations of Jing, Luo, Wei, Hanjiang and Jialing rivers were made (Zhangjiashan, Yuantou, Linjiacun, Weijiabao, Xianyang, Huaxian, Wuhou, Yangxian, Ankang, Lueyang) and the Yellow River Longmen Station in 1989 annual runoff and annual maximum flow, flood season (5 ~ October) the monthly maximum flow, the Yellow River Tongguan station total runoff in 1989, for reference. Total trend: total annual runoff: Longmen Station of the Yellow River and Tongguan Station Normally over 1%; Jing, Luohe normal to partial dry 2 ~ 3%; upper reaches of Weihe River normal to partial dry 2%, middle normal to overweight