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1、網(wǎng)絡(luò)優(yōu)先數(shù)字出版時(shí)間:2014?8?27網(wǎng)絡(luò)優(yōu)先數(shù)字出版地址:http://www.cnki.net/kcms/detail/45.1206.G3.20140827.1014.001.html廣西科學(xué)GuangxiSciences2014,21(4):357~364,369大規(guī)模填海工程對(duì)欽州灣水動(dòng)力環(huán)境的影響?yīng)碃蔂頎馉釥銧魻鬆餇鏍葼鶢錉驙餇錉鶢顮釥頎闋銧艩顮鰻闋驙餇顮頎鍫顮魻脿釥鯛鬆鍫錉鉅鶢虪釥驙鐮?狊犮犪犾犲犚犲犮犾犪犿犪狋犻狅狀犻狀犙犻狀狕犺狅狌犅?tīng)釥滦牛?,李誼純2,陳憲云1,陳波1,張榮燦21,LIYi?chun2,CHENXian?yun1,CHENBo1
2、,ZHANGRong?can2DONGDe?xin(1.廣西科學(xué)院廣西近海海洋環(huán)境科學(xué)重點(diǎn)實(shí)驗(yàn)室,廣西南寧530007;2.廣西北部灣海洋研究中心,廣西南寧530007)(1.GuangxiKeyLaboratoryofCostalMarineEnvironmentalScience,GuangxiAcademyofSciences,Nanning,Guangxi,530007,China;2.GuangxiBeibuGulfMarineResearchCenter,Nanning,Guangxi,530007,China)摘要:【目的】研究欽州灣大規(guī)模填海工程導(dǎo)致
3、的水動(dòng)力環(huán)境變化?!痉椒ā繕?gòu)建一個(gè)平面二維潮流數(shù)學(xué)模型,并利用2007年與2009年實(shí)測(cè)水文資料對(duì)模型進(jìn)行驗(yàn)證,模型較好地模擬了欽州灣的潮流運(yùn)動(dòng)規(guī)律。進(jìn)一步計(jì)算分析了2008~2012年欽州灣大規(guī)模填海建設(shè)前后水動(dòng)力變化狀況?!窘Y(jié)果】結(jié)果顯示:欽州灣東航道、金鼓江航道浚深導(dǎo)致航道內(nèi)流速減小,最大減小量約0.145m/s;三墩公路建設(shè)導(dǎo)致其西側(cè)流速明顯縮小,最大減小量約0.224m/s,而其東側(cè)流速顯著增大,增量最大達(dá)0.322m/s。【結(jié)論】大規(guī)模填海工程導(dǎo)致欽州灣2012年水體體積比2008年縮小約2.21%;欽州灣水交換能力變?nèi)?,海水半交換周期最大增加0.56d。關(guān)
4、鍵詞:欽州灣潮流模型水動(dòng)力變化水交換能力中圖分類號(hào):P731文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):10059164(2014)04035708犃犫狊狋狉犪犮狋:【犗犫犼?duì)鍫銧魻闋鰻濉浚裕瑁澹悖瑁幔睿纾澹螅铮妫瑁洌颍铮洌睿幔恚椋悖澹睿觯椋颍铮睿恚澹睿簦铮妫眩椋睿瑁铮酰猓幔悖幔酰螅澹洌猓欤幔颍纾?scalereclamationwerestudied.【犕犲狋犺狅犱狊】Atwo?dimensionalcurrentmathematicalmodelissetupandvalidatedbythemeasuredhydrologicaldataof2007and2009.T
5、hismodelrevealsbettertosimulatethecurrentmovementofQinzhouBay.Furthermore,thehydrodynamicchangesarecalculatedandanalyzedafterlarge?scalereclamationfrom2008to2012inQinzhouBay,【犚犲狊狌犾狋狊】ThecurrentspeedineastwaterwayofQinzhouBayandJinguRiverhasdecreased,whichiscausedbydredging,andthemaximum
6、decrementisabout0.145m/s.TheconstructionofSandunRoadhasledtoobviouslydecreasingthecurrentspeedofitswestside,andthemaximumdecrementisabout0.224m/s,butatitseastside,currentspeedsignificantlyincreases,andthemaximumincrementisupto0.322m/s.【犆狅狀犮犾狌狊犻狅狀】In2012,thewatervolumeofQinzhouBayhasredu
7、ced2.21%comparedwiththatin2008causedbylarge?scalereclamation.Seawaterexchangecapacityhasalsobeenweakened,andthemaximumseawaterhalf?exchangecyclehasincreased0.56d.犓犲狔狑狅狉犱狊:QinzhouBay,tidalcurrentmodel,hy收稿日期:20140125drodynamicchange,waterexchangecapacity修回日期:2014?03?06作