上海地區(qū)高污染條件下氣象場及環(huán)境空氣質量的數(shù)值模擬研究.pdf

1、復旦大學碩士學位論文上海地區(qū)高污染條件下氣象場及環(huán)境空氣質量的數(shù)值模擬研究姓名：浦靜姣申請學位級別：碩士專業(yè)：環(huán)境科學指導教師：馬蔚純20070506NumericalSimulationonmeteorolOgicalcharacteristicsandairqualityinShanghaiareaunderhigh—pollutedcircumstancesAbstract：Theclimaticfeaturesinurbanar

2、easaregreatlyinfluencedbyhumanactivities，inadditiontolatitude，solarradiation，atmosphericcirculationgeographicallocation，andterrainctcSinceurbanareaisallanthropogeniclandcovertherearetremendouschangesontheatmosph耐cradiati

3、on，thermodynamicenergyhumidityairqualityinthesurfacelayerTheurbanairqualityhasagreatdissimilaritywithruralareasbecauseoftheinfluencesthatcomefrombothurbanclimateandhumanactivitiesTheairpollutionintheurbanisveryseriousino

4、urcountryAsforthecityofShanghaithetypeofairpollutionisofbotllcoalsmokepollutionandautomobileexhaustpollutionMeanwhile，alongwithrapidincreaseofmotorvehicles，theemissionsfrommobilesaretakingupmoreandmoreproportioninthetota

5、lamountThepetroleumpollutionbecomesmoreandmoreseriousdaybydayMoreoverinsomepartofShagnhai，photochemicalsmoghasalreadyoccurredThispapermakesaresearchollthemeteorologicalandchemicalcharacteristicsinShanghaiareaunderhighpol

6、lutedcircumstances，bymeansofnumericalsimulationNowthattheemissiondataareveryimportantforairqualitysimulationwesetupemissioninventoryourselvesbasedontheotherresearchresults砧eemissioninventoryconsistsofthepointSOUrCes，traf

7、ficsourcesandplantsourcesinthebaseyear2003Afterwards，anumericalmesoscalemodelforsimulatingphotochemicalsmognamedMctphomodisappliedtoShanghaiareaintheyear2004，withtheinitialandboundarymeteorologicaldatafromMM5andlandnseda

8、tafromremotesensingin2003FourhighpollutedcasesarepickedupseparatelyforeachseasonWhenthesimulatedresultsarecomparedtotheobserveddataatthemeteorologicalandenvironmentalmonitoringstations，itturnsoutthatthevaluesanddiurnalva

9、riationoftemperatureswindandconcentrationsofsimulateddatamatchwellwitlltheobserveddatawhilepeakvalueshaven’tbeencaughtholdofinSomeinstancesBesides，thesimulatedresultsrevealthemeteorologicalandairpollutioncharacteristicso

10、fShanghaiUrbanheatisland，sealandbreezethermalinverseandthecharacteristicdistributionofchemical$peeiescanbeeasilyfoundoutinthisstudyIntheend，thefactorswhichhavegreatinfluenceonurbanairqualityandthedeficienciesinthispapera