灌區簡介
灌區年(nian)平均降水量為(wei)1747mm,年(nian)平均蒸(zheng)發量為(wei)1139mm。灌區地(di)跨撫州、宜春、南昌3個(ge)地(di)市6個(ge)縣(xian)(市、區)的(de)42個(ge)鄉鎮。工(gong)程(cheng)設計灌溉面積(ji)為(wei)8萬(wan)hm(120萬(wan)畝),有效灌溉面積(ji)近6.7萬(wan)hm(100萬(wan)畝)。灌區作物以水稻為(wei)主(zhu),是江西省的(de)糧食主(zhu)要(yao)產區。
建設歷史
贛撫平(ping)原水利工程于1958年(nian)5月動工興建(jian)(jian)(jian),1960年(nian)初步(bu)建(jian)(jian)(jian)成并開(kai)始受益。后經逐年(nian)續(xu)建(jian)(jian)(jian)配套(tao)與(yu)改造,有焦石攔河(he)(he)閘、箭江分洪閘、崗前(qian)大渡槽、天王渡船閘等主體建(jian)(jian)(jian)筑物(wu)(wu)15座,大中(zhong)型(xing)建(jian)(jian)(jian)筑物(wu)(wu)290余座及小型(xing)建(jian)(jian)(jian)筑物(wu)(wu)3600余座;開(kai)挖東(dong)、西總干渠及干渠7條(tiao),總長240km;開(kai)挖斗渠以上渠道543條(tiao),總長1674km;開(kai)挖排(pai)漬(zi)渠道7條(tiao),圍堵河(he)(he)港湖汊(cha)24處。
灌區效益
灌區興建后,為灌區及南(nan)昌市的社(she)會、經濟(ji)發展和人民生活提(ti)(ti)(ti)供了重要支(zhi)撐和防洪保障。灌區農田復(fu)種(zhong)指數(shu)由1.41提(ti)(ti)(ti)高(gao)到2.84;畝產由150kg提(ti)(ti)(ti)高(gao)到750kg以上;排(pai)除(chu)內澇4.67萬(wan)hm,開墾湖灘洲地1.73萬(wan)hm;縮(suo)短(duan)防洪堤線485km,防洪標準大幅度(du)提(ti)(ti)(ti)高(gao);縮(suo)短(duan)撫州至南(nan)昌水路(lu)航程(cheng)100多(duo)km;每年為城鎮提(ti)(ti)(ti)供生產和生活用水近5000萬(wan)t;年發電量2500多(duo)萬(wan)kW·h。
管理系統
灌(guan)區(qu)按照水(shui)(shui)(shui)權統一、分級管(guan)(guan)(guan)理(li)和專(zhuan)管(guan)(guan)(guan)與群(qun)管(guan)(guan)(guan)相結合的(de)(de)原則,建立、健全了民(min)主管(guan)(guan)(guan)理(li)、專(zhuan)業管(guan)(guan)(guan)理(li)、群(qun)眾管(guan)(guan)(guan)理(li)三套(tao)管(guan)(guan)(guan)理(li)系統。灌(guan)區(qu)的(de)(de)議事決(jue)策(ce)機構(gou)(gou)為(wei)(wei)省、縣(xian)(市、區(qu))灌(guan)區(qu)管(guan)(guan)(guan)理(li)委員會,專(zhuan)管(guan)(guan)(guan)機構(gou)(gou)分省管(guan)(guan)(guan)理(li)局(ju)(ju)、縣(xian)管(guan)(guan)(guan)理(li)局(ju)(ju)(站)和鄉鎮水(shui)(shui)(shui)管(guan)(guan)(guan)站三級。灌(guan)區(qu)收(shou)入(ru)以農業水(shui)(shui)(shui)費為(wei)(wei)主,工業水(shui)(shui)(shui)費和多種經營水(shui)(shui)(shui)費為(wei)(wei)輔。