茅尾海水质数值模拟与环境容量分析

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1、万方数据NumericalStudyonWaterQualityandEnvironmentalCapacityofMaoweiSeaAbstractMaoweiSeaisthemostimportantbayofGuangxiprovinceandevenchina’SsoutherncoastastheenclosedseaofQinzhouBaylocatedatthetopofBeibuGulCandplayingasignificantroleineconomicgrowthandtradecontactsbetweenchinaandASE

2、ANintheareaaroundtheBeibuGulf．MaoweiSeaisrichinfisheryresources，italsohashugetidalprismwhichmakeitpossibletobuildbigtonnageberthswhichabove100，000tonsandlargeexpansemangrovesurroundedwhichgivesithighecologicalresources．Inrecentyears，withtherapidgrowthofeconomyandtheincreasingofd

3、isorderedbreedingandotherhumanbehavior,manyenvironmentalproblemshadbeencaused，suchassedimentsiltation，areadecliningandwatercontamination．Thedevelopmentoflocaleconomicandsocialmetsomenegativeeffects．InordertosolvethisproblemandenableMaoweiSeaandQinzhouBayserveoursocialdevelopment

4、beRer,comprehensiveandthoroughsimulationstudyonwaterqualityandenvironmentalcapacityinhereappearsespeciallyessential．InthisstudywehopetoprovideacertaintheoreticalreferenceandtechnicalsupportforimprovingtheenvironmentqualityandthesustainabledevelopmentofMaoweiSea．Thispaperresearch

5、edthefeaturesofcurrentfieldinthisareathroughestablishinga2-dimensionhydrodynamicmodeloftheMaoweiSea，andawaterqualitymodelwasestablishedonthisbasis．WeusingCODandDINastheindextostudythewaterquality,andcalculatedtheenvironmentalcapacityofCODandDIN，theshareratioofeachpollutionSOurCe

6、SinMaoweiSeawascalculatedbycombiningthewaterqualitymodelandtheMarineFunctionalZoningoftheGuangxiZhuangautonomousregion(20．11—2020)。1．Combiningthechartdataofcoastlineandmeasureddataofwaterdepth，a2-dimensionhydrod37namicmodeloftheMaoweiSeawasestablishedusingMIKE21万方数据FMandverified

7、wi也themeasureddata．ResultshowedthatthemodelcallbeusedtosimulatethecurrentfieldofMaoweiSea．Theconelusionswereshownbelow(1)ThetidalcurrentofMaoweiSeawasirregulardiurnaltidalcurrent．Therearetwodaysofsemi—diurnaltidalcurrentinneaptideofeachmonth．Whileinresttimeofneaptideandthewholes

8、pringtideitwasobviousdiurnaltidalcurrent．Themax