目 录摘 要........................................................4前 言........................................................51 田湖大垸自然条件及社会状况....................................61.1 自然条件及其地形地势特点.....................................61.1.1 规划区位置.................................................61.1.2 地形.......................................................61.1.3 基本情况...................................................61.2 水文与气象...................................................61.2.1 气温.......................................................61.2.2 降雨.......................................................71.2.3 蒸发.......................................................71.2.4 径流.......................................................81.2.5 水质.......................................................81.2.6 土壤.......................................................81.3 水文地质条件.................................................92 现有灌溉设施状况..............................................92.1 水利设施现状.................................................92.1.1 防洪设施...................................................92.1.2 除涝设施...................................................92.1.3 治渍设施...................................................92.1.4 塘堰面积及蓄水容积........................................112.2 田湖大垸灌溉设施现状及主要问题..............................112.2.1 灌溉水源条件..............................................112.2.2 灌溉取水设施..............................................112.2.3 灌溉渠系..................................................122.3 灌溉工程改建的任务及规划设计要求............................122.3.1 规划任务..................................................122.3.2 规划的要求................................................123 灌溉制度的确定...............................................133.1 种植结构特点.............................................
