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根据前期大气环流、水文要素与年径流量、最大洪峰流量及各月最大洪峰流量的对应关系和水文要素的演变规律等,经过计算分析,对我省境内的泾河、洛河、渭河、黄河、汉江、嘉陵江等主要河流控制站1991年年径流总量和年最大洪峰流量展望如下:年径流总量:黄河潼关站基本正常,龙门站正常至偏丰1成;泾、渭河主要控制站正常至偏丰2成;洛河(?)头站正常至偏少2成;汉江主要控制站偏少1～2成;嘉陵江略阳站基本正常。
According to the pre-atmospheric circulation, hydrological elements and annual runoff, the maximum peak flow and the monthly maximum peak flow and the hydrological elements of the evolution of the law, after the calculation and analysis of the province of Jing River, Luo River, Weihe River, the Yellow River , Han River, Jialing River and other major river control stations in 1991 the annual total runoff and the maximum peak flow prospects are as follows: Annual runoff: the Yellow River Tongguan station basically normal, Longmen Station normal to over 1%; Jing, Weihe main control station normal To 2% of the over-abundance; Luohe (?) Head station normal to less than 2%; Hanjiang main control station less than 1 to 2 percent; Jialing River Lueyang Station basically normal.