台风对西北太平洋气旋涡的影响

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1、万方数据Abs仃actABSTRACTTropicalcyclones(alsoknownashurricanesortyphoons)affectingoceanispartofthe‘'typhoon-ocean”interactionstudy；oceanmesoscaleeddies(inchdingcyclonicoceaneddiesandanticycloniceddies)widespreadonEarthandhavegreatconmbutiontomixing．ITnSStr

2、ansport，energypropagationandSOon．Soitisofgreatiruportancetofocusonthisarea，typhoons’effectsonoceancycloniceddies．Inthispaper，seasurfacetempemture(SST)，sealevelanomaly(SLA)，seasurfacesalinity(sss)，verticaltemperatureandsalinityprofilesderived舶m心gonoats

3、andtyphoonwindfieldmodelareusedtoinvestigatesucheffects．First，upperoceanresponsetoTyphoonPrapiroonin2012isinvestigated．Afterthistyphoonwentthroughthearea(1260E一1330E，170N-25．50N)，SSTdecreasedandSSSincreased，SOdidthetemperatureandsalinityinthemixedlaye

4、r；andthelowestSLAinthisspecificregiondropped舶m-20cmto-53cmaccompaniedwithtwocycloniceddiesmerge．Inthearea，atthecenterofthetyphoon,evaporation,turbulentmixingandupweNngplayedadominantroletoraiseSSSversusprecipitation,whichleadtoSSSdecline．Inaddition,th

5、etemperatureandsalinityvariationsbelowthetherrmcline，couldbeexplainedasaresultofEklTlanpumpingandupweninginthecycloniceddy,andthenitisfoundthatEkmanpumpingplayedamajorroleinthiscase．Second，15supertyphoons’impactsonthecyclonicoceaneddy(COE)duringtheper

6、iodof2001-2008aresystematicallytakenintostatisticinordertofindakeyfactor．OnlytwoCOEswereinducedbytyphoons，SOitisdifficultandraretoinduceaCOEbyatyphoon．Threepossiblefactorsoftyphoonareemployedtoexplaintheintemctionsandwefindforcing缸rTOisthekeyfactor．Th

7、isisbecauseTfisaparametercombiningbothtyphoon’Stranslationspeed，intensityandsize．A拙oughtyphoonsmayhavesignificantlyimpactonCOEs，suchsampleswerenotcon-monlyobserved．Thus，theimpactoftyphoononCOEsstallneedabtofwork．Last，withthemodelanddatamentionedabove，

8、wecalculatetheenergyputintooceanbytyphoons．ThroughtheanalysisofworkdonebyPmpiroon,wefindthattyphoonsdonothavepositiveeffortoneverypointinaCOE。Besides，theorderofpower却utintoseaflow,waveandindissipationis10’1W僻，100W／僻，101W／rr?。Thepatternofenergy