【正文】 2 效益 .................................................................................................................................................. 2 組織領(lǐng)導(dǎo)和管理 ............................................................................................................................. 3 第二章 項(xiàng)目區(qū)概況 ........................................................................................................................... 4 自然概況 .......................................................................................................................................... 4 地理位置及范圍 .......................................................................................................................... 4 水文氣象 ....................................................................................................................................... 4 地形、地貌及土壤 ...................................................................................................................... 5 水資源 ........................................................................................................................................... 5 耕地種類、數(shù)量及開(kāi)發(fā)潛力 ..................................................................................................... 5 自然災(zāi)害 ....................................................................................................................................... 6 社會(huì)經(jīng)濟(jì)狀況 ................................................................................................................................. 6 人口及勞力 .................................................................................................................................. 6 土地利用現(xiàn)狀 .............................................................................................................................. 6 農(nóng)業(yè)生產(chǎn)水平 .............................................................................................................................. 6 地方財(cái)政與農(nóng)民收入 .................................................................................................................. 7 農(nóng)業(yè)科技服務(wù)體系狀況 .............................................................................................................. 7 基礎(chǔ)設(shè)施 .......................................................................................................................................... 7 水利骨干工程現(xiàn)狀 ...................................................................................................................... 7 田間工程狀況 .............................................................................................................................. 8 農(nóng)業(yè)機(jī)械及農(nóng)機(jī)服務(wù)設(shè)施 ......................................................................................................... 8 交通與電力 .................................................................................................................................. 8 第三章 項(xiàng)目建設(shè)的必要性和可行 性 .............................................................................................. 8 項(xiàng)目區(qū)農(nóng)業(yè)和農(nóng)村經(jīng)濟(jì)發(fā)展的制約因素 .................................................................................... 8 項(xiàng)目建設(shè)的必要性 ......................................................................................................................... 9 項(xiàng)目建設(shè)的可行性 ....................................................................................................................... 10 第四章 水資源評(píng)價(jià)及供需平衡分析 .............................................................................................. 10 項(xiàng)目區(qū)水資源概況 ....................................................................................................................... 10 供需平衡分析 ................................................................................................................................ 11 可供水量分析 ............................................................................................................................. 11 需水量分析 ................................................................................................................................ 12 供需平衡 ..................................................................................................................................... 13 項(xiàng)目區(qū)現(xiàn)有水利工程可供水量、現(xiàn)狀需水量及供需平衡情況 ............................................ 13 項(xiàng)目區(qū)設(shè)計(jì)水平年（ P=50%， 75%）可供水量、需水量預(yù)測(cè)及供需平衡分析 ................ 14 第五章 規(guī)劃設(shè)計(jì) ............................................................................................................................. 15 指導(dǎo)思想 ........................................................................................................................................ 15 選項(xiàng)原則 ........................................................................................................................................ 15 建設(shè)標(biāo)準(zhǔn) ........................................................................................................................................ 16 建設(shè)規(guī)模 ........................................................................................................................................ 16 規(guī)劃布局 ........................................................................................................................................ 16 第六章 開(kāi)發(fā)任務(wù)和建設(shè)內(nèi)容 ......................................................................................................... 17 開(kāi)發(fā)任務(wù) ........................................................................................................................................ 17 建設(shè)內(nèi)容 ........................................................................................................................................ 18 水利措施 ...................................................