水庫概況
夏家寺(si)水(shui)(shui)(shui)(shui)庫大壩在木(mu)(mu)蘭鄉(xiang)內,南距黃陂城區25千(qian)米(mi),地理坐標為(wei)東經114°28′,北緯31°03′,控制流域(yu)(yu)面積142平(ping)方千(qian)米(mi),回水(shui)(shui)(shui)(shui)涉及(ji)(ji)木(mu)(mu)蘭鄉(xiang)東部(bu)。流域(yu)(yu)地處淺丘平(ping)原地區,地勢自(zi)北向南漸傾。庫周分(fen)水(shui)(shui)(shui)(shui)嶺多為(wei)孤立(li)小丘,高程在200米(mi)左(zuo)右,中部(bu)地勢平(ping)坦,高程50~100米(mi)。地層為(wei)元古界石英云母砂巖,河(he)谷階地上覆第四(si)系堆積沖積層。夏家寺(si)河(he)自(zi)北注入水(shui)(shui)(shui)(shui)庫,出庫后向南匯人(ren)灄水(shui)(shui)(shui)(shui)。流域(yu)(yu)屬北亞熱帶(dai)濕潤氣候,年平(ping)均氣溫(wen)16.3攝氏(shi)度,全年無霜(shuang)期240天。植被(bei)有人(ren)造(zao)用材林(lin)和經濟林(lin),樹種(zhong)有杉(shan)、油(you)桐及(ji)(ji)果林(lin)。農(nong)作(zuo)物(wu)以水(shui)(shui)(shui)(shui)稻為(wei)主,兼作(zuo)小麥、棉花、油(you)菜。水(shui)(shui)(shui)(shui)庫水(shui)(shui)(shui)(shui)質總體評(ping)價為(wei)Ⅱ類(lei)。
水(shui)(shui)(shui)庫(ku)多年(nian)(nian)平(ping)均(jun)(jun)年(nian)(nian)來(lai)水(shui)(shui)(shui)量(liang)(liang)0.92億(yi)立方(fang)(fang)米(mi)(mi)(mi),多年(nian)(nian)平(ping)均(jun)(jun)年(nian)(nian)降(jiang)水(shui)(shui)(shui)量(liang)(liang)1170毫米(mi)(mi)(mi),4—9月(yue)降(jiang)水(shui)(shui)(shui)量(liang)(liang)占全年(nian)(nian)降(jiang)水(shui)(shui)(shui)總量(liang)(liang)的74.8%。夏家(jia)(jia)寺(si)水(shui)(shui)(shui)庫(ku)為多年(nian)(nian)調(diao)節型水(shui)(shui)(shui)庫(ku),正常蓄水(shui)(shui)(shui)位49.90米(mi)(mi)(mi),死水(shui)(shui)(shui)位44.87米(mi)(mi)(mi),設計洪(hong)(hong)水(shui)(shui)(shui)位51.20米(mi)(mi)(mi),校核洪(hong)(hong)水(shui)(shui)(shui)位52.87米(mi)(mi)(mi)。水(shui)(shui)(shui)庫(ku)總庫(ku)容(rong)2.896億(yi)立方(fang)(fang)米(mi)(mi)(mi),其中調(diao)洪(hong)(hong)庫(ku)容(rong)7900萬立方(fang)(fang)米(mi)(mi)(mi),興(xing)利庫(ku)容(rong)1.206億(yi)立方(fang)(fang)米(mi)(mi)(mi),死庫(ku)容(rong)9000萬立方(fang)(fang)米(mi)(mi)(mi)。夏家(jia)(jia)寺(si)水(shui)(shui)(shui)庫(ku)為河道型水(shui)(shui)(shui)庫(ku),庫(ku)面(mian)面(mian)積28.93平(ping)方(fang)(fang)千米(mi)(mi)(mi),回水(shui)(shui)(shui)長度12千米(mi)(mi)(mi),平(ping)均(jun)(jun)庫(ku)面(mian)寬(kuan)800米(mi)(mi)(mi),最大(da)水(shui)(shui)(shui)深28米(mi)(mi)(mi)。
水庫效益
夏家寺水(shui)(shui)庫(ku)以灌(guan)溉、防洪為主(zhu),兼顧旅(lv)(lv)游(you)、養殖(zhi)、航(hang)運(yun)等(deng)功能,灌(guan)溉面積(ji)1.13萬(wan)(wan)公頃(qing)(qing),可養殖(zhi)水(shui)(shui)面2270公頃(qing)(qing)。電站裝機容(rong)量(liang)30千瓦(wa),年(nian)發電量(liang)5.7萬(wan)(wan)千瓦(wa)時。庫(ku)面水(shui)(shui)域已開發成木蘭湖省級風景旅(lv)(lv)游(you)區。水(shui)(shui)庫(ku)防洪標(biao)準(zhun)20年(nian)一遇(yu),可減輕(qing)下游(you)6000居民、5000公頃(qing)(qing)農田的洪水(shui)(shui)威脅,蓄洪錯峰,可提高灄水(shui)(shui)下游(you)河道防洪能力(li)。水(shui)(shui)庫(ku)移民2.05萬(wan)(wan)人,淹沒(mei)耕(geng)地1638公頃(qing)(qing)。
水利樞紐工程
夏家(jia)寺水庫樞紐工程(cheng)(cheng)由大(da)(da)壩(ba)(ba)(ba)、溢洪道(dao)(dao)、輸(shu)(shu)水涵管組成。主壩(ba)(ba)(ba)為(wei)(wei)黏土心墻壩(ba)(ba)(ba),壩(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)(cheng)53.74米(mi)(mi)(mi)(mi),最(zui)大(da)(da)壩(ba)(ba)(ba)高(gao)(gao)26米(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)軸(zhou)線(xian)(xian)長590米(mi)(mi)(mi)(mi)。副(fu)(fu)壩(ba)(ba)(ba)有東、西(xi)2座,東副(fu)(fu)壩(ba)(ba)(ba)為(wei)(wei)均質(zhi)土壩(ba)(ba)(ba),最(zui)大(da)(da)壩(ba)(ba)(ba)高(gao)(gao)111.0米(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)軸(zhou)線(xian)(xian)長60米(mi)(mi)(mi)(mi);西(xi)副(fu)(fu)壩(ba)(ba)(ba)為(wei)(wei)黏土心墻壩(ba)(ba)(ba),最(zui)大(da)(da)壩(ba)(ba)(ba)高(gao)(gao)15.0米(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)軸(zhou)線(xian)(xian)長100米(mi)(mi)(mi)(mi)。正常溢洪道(dao)(dao)為(wei)(wei)開敞式寬頂(ding)(ding)堰(yan),堰(yan)頂(ding)(ding)高(gao)(gao)程(cheng)(cheng)46.9米(mi)(mi)(mi)(mi),堰(yan)頂(ding)(ding)凈寬16米(mi)(mi)(mi)(mi),平板閘(zha)門,最(zui)大(da)(da)泄量(liang)343立(li)方米(mi)(mi)(mi)(mi)每(mei)秒(miao);非常溢洪道(dao)(dao)為(wei)(wei)自潰壩(ba)(ba)(ba),堰(yan)頂(ding)(ding)高(gao)(gao)程(cheng)(cheng)48.74米(mi)(mi)(mi)(mi),堰(yan)頂(ding)(ding)寬度(du)100米(mi)(mi)(mi)(mi),最(zui)大(da)(da)泄量(liang)1136立(li)方米(mi)(mi)(mi)(mi)每(mei)秒(miao)。東輸(shu)(shu)水洞(dong)為(wei)(wei)圓(yuan)形(xing)有壓隧洞(dong),直徑1.7米(mi)(mi)(mi)(mi),進(jin)口(kou)底(di)高(gao)(gao)程(cheng)(cheng)42.74米(mi)(mi)(mi)(mi),最(zui)大(da)(da)輸(shu)(shu)水量(liang)12立(li)方米(mi)(mi)(mi)(mi)每(mei)秒(miao);西(xi)輸(shu)(shu)水洞(dong)為(wei)(wei)圓(yuan)形(xing)有壓隧洞(dong),直徑1.1米(mi)(mi)(mi)(mi),進(jin)口(kou)底(di)高(gao)(gao)程(cheng)(cheng)38.74米(mi)(mi)(mi)(mi),最(zui)大(da)(da)輸(shu)(shu)水量(liang)1.5立(li)方米(mi)(mi)(mi)(mi)每(mei)秒(miao)。
地理位置
夏家寺水(shui)(shui)庫位于(yu)位于(yu)中國湖北(bei)省武(wu)漢市(shi)黃陂區東(dong)北(bei)部(bu)木(mu)蘭(lan)鄉境內。夏家寺水(shui)(shui)庫是(shi)以灌溉、防洪為主(zhu),兼顧旅游(you)(you)、養(yang)殖、發電等功(gong)能(neng)的大(二)型水(shui)(shui)庫。因位于(yu)木(mu)蘭(lan)山東(dong)側木(mu)蘭(lan)鄉境內,又稱為木(mu)蘭(lan)湖。2007年經水(shui)(shui)利(li)部(bu)批準為第(di)七批國家水(shui)(shui)利(li)風(feng)景(jing)區。下游(you)(you)流出 長堰河(灄水(shui)(shui)支流)。