简介:Typhoon-generatedwavesaresimulatedwithtwonumericalwavemodels,theSWANmodelforthecoastalandYangtzeEstuarydomain,nestedwithintheWAVEWATCHIII(WW3)forthebasin-scaleEastChinaSeadomain.TyphoonNo.8114ischosenbecauseitwasverystrong,andgeneratedhighwavesintheEstuary.WW3wasimplementedfortheEastChinaSeacoarse-resolutioncomputationaldomain,tosimulatethewavesoveralargespatialscaleandprovideboundaryconditionsforSWANmodelsimulations,implementedonafine-resolutionnesteddomainfortheYangtzeEstuaryarea.TheTakahashiwindmodelisappliedtothesimulationoftheEastChinaSeascale(3-hourly)andYangtzeEstuaryscale(1-hourly)winds.SimulationsofsignificantwaveheightsintheEastChinaSeashowthatthehighestwavesareontherightsideofthestormtrack,andmaximatendtooccurattheeasterndeep-wateropenboundaryoftheYangtzeEstuary.IntheYangtzeEstuary,incomingswellisdominantoverlocallygeneratedwavesbeforethetyphoonapproachestheEstuary.AsthetyphoonapproachestheEstuary,windwavesandswellcoexist,andthewavedirectionismainlyinfluencedbytheswelldirectionandthecomplextopography.