简介：Basedonthedata(includingradiusofmaximumwinds)fromtheJTWC(JointTyphoonWarningCenter),thetropicalcyclones(TCs)radiioftheoutermostclosedisobar,TCsbesttracksfromShanghaiTyphoonInstituteandtheBlackBodyTemperature(TBB)oftheJapanesegeostationarymeteorologicalsatelliteM1TRIR1,andcombining13tropicalcycloneswhichlandedinChinaagainaftervisitingtheislandofTaiwanduringtheperiodfrom2001to2010,weanalyzedtherelationshipbetweenthenumberofconvectivecoreswithinTCcirculationandtheintensityofTCwiththemethodofconvective-stratiformtechnique(CST)andstatisticalandcompositeanalysis.Theresultsareshownasfollows:(1)ThenumberofconvectivecoresintheentireTCcirculationiswellcorrespondingwiththeouterspiralrainbandsandthedensityofconvectivecoresintheinnercoreareaincreases(decreases)generallywithincreasing(decreasing)TCintensity.Atthesametime,thenumberofconvectivecoreswithintheouterspiralrainbandsismorethanthatwithintheinnercoreanddoesnotchangemuchwiththeTCintensity.However,thedensityofconvectivecoreswithintheouterspiralrainbandsislowerthanthatwithintheinnercore.(2)TherelationshipdescribedaboveissensitivetolandinglocationtosomeextentbutnotsensitivetothestructureofTC.(3)TheaveragevalueofTBBintheinnercoreareaincreases(decreases)generallywithincreasing(decreasing)ofTCintensity,whichisalsosensitivetolandingsituationtosomeextent.Atthesametime,theaveragevalueofTBBwithintheouterspiralrainbandsisclosetothatwithintheentireTCcirculation,andbothofthemaremorethanthatwithintheinnercore.However,theydonotreflectTCintensitychangesignificantly.(4)TheresultsofstatisticalcompositebasedonconvectivecoresandTBBarecomplementarywitheachother,soacombinationofbothcanreflecttherelationshipbetweenTCrainbandsandTCintensitymuchbetter.