灌區簡介
灌(guan)區年平(ping)均降(jiang)水量為1747mm,年平(ping)均蒸(zheng)發量為1139mm。灌(guan)區地跨(kua)撫(fu)州(zhou)、宜春、南昌(chang)3個(ge)地市(shi)6個(ge)縣(xian)(市(shi)、區)的42個(ge)鄉鎮。工(gong)程設計灌(guan)溉面(mian)(mian)積(ji)為8萬(wan)hm(120萬(wan)畝(mu)),有效(xiao)灌(guan)溉面(mian)(mian)積(ji)近6.7萬(wan)hm(100萬(wan)畝(mu))。灌(guan)區作物以水稻為主(zhu),是江西省的糧食主(zhu)要產區。
建設歷史
贛撫平原水利工程于1958年(nian)5月動工興(xing)建(jian)(jian),1960年(nian)初步建(jian)(jian)成并(bing)開始受益。后經逐年(nian)續建(jian)(jian)配套與改造,有焦石攔河閘(zha)、箭江分洪閘(zha)、崗前大渡槽、天(tian)王渡船閘(zha)等主體建(jian)(jian)筑物(wu)15座,大中型(xing)建(jian)(jian)筑物(wu)290余(yu)座及小型(xing)建(jian)(jian)筑物(wu)3600余(yu)座;開挖(wa)東、西(xi)總(zong)干(gan)渠及干(gan)渠7條(tiao),總(zong)長240km;開挖(wa)斗渠以上渠道543條(tiao),總(zong)長1674km;開挖(wa)排漬(zi)渠道7條(tiao),圍堵河港湖汊24處。
灌區效益
灌區(qu)興建(jian)后,為灌區(qu)及南昌(chang)(chang)市的社會、經濟發展和人(ren)民生活(huo)提供了重要(yao)支撐和防洪保障。灌區(qu)農田復種(zhong)指(zhi)數由(you)1.41提高(gao)到2.84;畝產(chan)由(you)150kg提高(gao)到750kg以(yi)上;排除內澇4.67萬hm,開墾湖灘洲地1.73萬hm;縮短(duan)防洪堤線485km,防洪標(biao)準大(da)幅度(du)提高(gao);縮短(duan)撫州至南昌(chang)(chang)水路航程(cheng)100多(duo)km;每年為城鎮提供生產(chan)和生活(huo)用水近(jin)5000萬t;年發電量2500多(duo)萬kW·h。
管理系統
灌區(qu)(qu)按照水權統(tong)一、分(fen)級(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)和專(zhuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與群管(guan)(guan)(guan)(guan)(guan)(guan)(guan)相結合的原(yuan)則,建立、健(jian)全了(le)民主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)、專(zhuan)業管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)、群眾管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)三(san)套管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)系統(tong)。灌區(qu)(qu)的議事決策機構為(wei)(wei)(wei)省(sheng)、縣(xian)(xian)(市、區(qu)(qu))灌區(qu)(qu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)委(wei)員會(hui),專(zhuan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)機構分(fen)省(sheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)局、縣(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)(li)局(站)和鄉鎮水管(guan)(guan)(guan)(guan)(guan)(guan)(guan)站三(san)級(ji)。灌區(qu)(qu)收入以農業水費(fei)(fei)為(wei)(wei)(wei)主(zhu)(zhu),工業水費(fei)(fei)和多種經營水費(fei)(fei)為(wei)(wei)(wei)輔(fu)。