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汉川县汉南地区指汉江以南汉川县所辖地区.它的东部为小丘陵地貌,夹有若干湖泊港汊,将整个东部分割为6个独立的水系(垸系).其余大部分面积(359.59公里~2,占本区总面积的79.84%)则为一个完整的独立水系,即规划的重点水系——南屏垸.南屏垸内生产地面高程,汛期一般低于汉江水位,排水闸抢排机会很少,其降雨所产生的涝水需用机械抽排和湖泊河网调蓄.自五十年代以来,对垸内排涝系统进行了一系列治理,但是,目前的一套水系,只能达到五年一遇的排涝标准.欲达到十年一遇的排涝标准,必须采取增设电排站和建立必要的预备湖等措施.这是一个复杂的确
Hanchuan Hannan Han River refers to the area south of Hanchuan County.It’s eastern small hills and landforms, a number of lake sandwiched between Hong Kong, the entire east is divided into six independent water system (embankment). Most of the remaining area (359.59 km ~ 2, accounting for 79.84% of the total area of the area) is a complete independent water system, namely the planned key water system - Nanping embankment.Nanping embankment production ground elevation, the flood season is generally lower than the Han River water level, drainage Gates rake row rarely, the rains generated by rainfall need mechanical pumping and lake river network storage.From the 1950s, the embankment within the drainage system for a series of governance, but the current set of water system , Only to meet the once in a row water drainage standards.In order to meet the drainage standards once every 10 years, we must take additional measures to establish additional power station and reserve lake.This is a complex indeed