%0 Journal Article %T mid-latitudeatmosphericresponsestoheatandvorticityforcingusingalinearbaroclinicmodel %A QIU %A Shuang£¿ %A FANG %A Jiabei£¿ %A YANG %A Xiuqun£¿ %J ÆøÏó¿ÆÑ§ %P 149-161 %D 2014 %R 10.3969/2013jms.0060 %X basedondiagnosticanalysisofreanalysisdatafor58-year,thedistributioncharacteristicsofdecadalvariabilityindiabaticheating,transienteddyheatingandtransienteddyvorticityforcingrelatedtotheseasurfacetemperature(sst)anomaliesoverthenorthpacific,aswellastheirrelationshipwithanomalousatmosphericcirculationhavebeeninvestigatedinthispaper.alinearbaroclinicmodel(lbm)wasusedtoinvestigateatmosphericresponsestoidealizedandrealisticheatandvorticityforcinganomalies,andthentocomparerelativerolesofdifferentkindsofforcingintermsofgeopotentialheightresponses.theresultsillustratethattheresponsesofatmosphericheightfieldstothemid-latitudeheatingcanbeeitherbaroclinicorbarotropic.theresponsestructureissensitivetotherelativehorizontallocationofheatingwithrespecttothebackgroundjetflow,aswellastotheverticalprofileofheating.theresponsetotheidealizeddeepheatingovertheeasternnorthpacific,mimickingtheobservedheatinganomaly,isbaroclinic.theatmosphericresponsetothemid-latitudevorticityforcingisalwaysbarotropic,resultinginageopotentiallowthatisinphasewiththeforcing.theatmosphericresponsestotherealisticheatandvorticityforcingshowthesimilarresults,suggestingthatdiabaticheating,transienteddyheatingandtransienteddyvorticityforcingcanallcauseatmosphericanomaliesandthatthevorticityforcingplaysarelativelymoreimportantroleinmaintainingtheequivalent-barotropicstructureofgeopotentialheightanomalies. %K diabatic %K heating %K transient %K eddy %K heating %K transient %K eddy %K vorticity %K forcing %K linear %K baroclinic %K model %U http://www.jms1980.com/ch/reader/view_abstract.aspx?file_no=20140204&flag=1