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一、基本情况独流减河是1953年开挖的直接入海排洪河道。它主要担负天津市外围的东淀、文安洼的排洪任务,以确保天津市和津浦铁路的安全及东淀、文安洼等地部分农作物用水。独流减河原设计河道泄量为1020秒立米。到60年代,为满足实际泄洪的需要,1968年冬至1969年春,又扩挖了独流减河。设计过水能力由原来的设计泄量增至为3200秒立米,
First, the basic situation Lost river flow alone in 1953 excavation of the sea directly into the sea flood channel. It is mainly responsible for the flood control tasks of Dongdian and Wen’anta in the periphery of Tianjin to ensure the safety of Tianjin and Jinpu railway and the water supply for some crops in Dongjian and Wen’anwa. One-way reduction of the original river design discharge of 1020 seconds cubic meter. By the 1960s, in order to meet the needs of actual flood discharge, the winter of 1968 to the spring of 1969 was expanded and the only river reduced. Design capacity of water from the original design to 3200 seconds to increase the discharge,