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1、學(xué)兔兔www.xuetutu.com水利水電技術(shù)第44卷2013年第2期水電規(guī)劃對金沙江攀枝花河段水文情勢影響研究許秀貞，王國棟，傅慧源(1．中國科學(xué)院武漢植物園水生植物與流域生態(tài)重點(diǎn)實(shí)驗(yàn)室，湖北武漢430074；2．長江水資源保護(hù)科學(xué)研究所，湖北武漢430051；3．長江水利委員會辦公室，湖北武漢430010)摘要：采用數(shù)學(xué)模型法及對比分析法對觀音巖水電站壩址至銀江水電站間的金沙江河段因水電站壅水及水庫調(diào)蓄作用導(dǎo)致的水文情勢發(fā)生的變化進(jìn)行了研究。本文研究的河段長約63km，重點(diǎn)水域?yàn)榻鹕辰窭锲?/p>
2、到雅礱江河口長約38km河段，重點(diǎn)時段為魚類繁殖季節(jié)3—6月的典型日。研究結(jié)果顯示，金沙江攀枝花河段金沙、銀江兩級開發(fā)方案實(shí)施后，將抬高銀江水電站壩址至觀音巖水電站壩址河段水位，增加河道水深、河寬和水域面積。兩庫區(qū)河段的泥沙淤積均不明顯，而研究河段典型日的流量、水位和流速等水文情勢將比零方案在時空上發(fā)生顯著變化。關(guān)鍵詞：水文情勢；泥沙；水位；流速；金沙江；攀枝花河段中圖分類號：P343．9文獻(xiàn)標(biāo)識碼：A文章編號：1000-0860(2013)02—0002—03Studyonimpactfromh
3、ydropowerplanningonhydrologicalregimeofPanzhihuaReachofJinshajiangRiverXUXiuzhen，WANGGuodong，F(xiàn)UHuiyuan(1．KeyLaboratoryofAquaticBotanyandWatershedEcology，WuhanBotanicalGarden，ChineseAcademyofSciences，Wuhan430074，Hubei，China；2．ChangjiangWaterResourcesPr
4、otectionInstitute，ChangjiangWaterResourcesCommission，Wuhan430051，Hubei，China；3．OfficeofChangjiangWaterResourcesCommission，Wuhan430010，Hubei，China)Abstract：Basedontherelevantmathmodelandcomparativeanalysis，thechangeofhydrologicalregimeinthefiverreachof
5、JinshajiangRiverfromthesiteofGuanyinyanHydropowerStationtoYinjiangHydropowerStationcausedbythedammedwaterofhydropowerstationandtheregulationeffectofreservoirisstudiedherein．Thelengthofthestudyreachisabout63km，inwhichthekeywaterareaoftheriverreachisfro
6、mGelipingofJinshajiangRivertothemouthofYalongjiangRiverwithalengthof38km，whilethetypicaldaysforthestudyarewithinthekeyperiodfromMarchtoJuneduringthefish—breedingseason．ThestudyresultshowsthatthewaterleveloftheriverreachfromthesiteofYinjiangHydropowerS
7、tationtothesiteofGuanyinyanHydro—powerStationistoberaisedaftertheimplementationoftheschemeofthetwo-stagesdevelopmentsofbothJinshaandYinjianghydropowerStationsonPanzhihuaReachofJinshajiangRiverand，accordingly，thewaterdepth，fiverwidthandwaterareaoftheri
8、verchannelaretobeincreasedaswel1．However，thesedimentationsinboththefiverreachesofthereservoirareasforthehy—dropowerstationsaretobenotobvious，nevertheless，thehydrologicalregimessuchastheflowrate，waterlevel，flowvelocity，etc．ofthestudyreachinthet
