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1、ANALYSISOFDISPERSIONEQUATIONSFORMAGNETOGRAVITYWAVESINREALISTICIONOSPHEREBarkhatovaО.М.1,2,BarkhatovN.А.1,2,3,GrigorievG.I.3,RevunovS.Е.21.?NizhniyNovgorodStateUniversityofArchitectureandCivilEngineering,NizhniyNovgorod,Russia2.?NizhniyNovgorodStatePedagogicalUniversity,
2、NizhniyNovgorod,Russia3.?RadiophysicalRresearchInstitute(NIRFI),NizhniyNovgorod,RussiaIntheframeworkofthemagnetohydrodynamicapproachweobtainthedispersionequationsformagnetogravitywavesintheionospheretakingintoaccountthefiniteconductivityandthecombinedeffectofmagneticfie
3、ldandgravity.Thesourceofmagnetogravitywavespropagatingintheequatorialdirectiontheauroralelectrojetisselected.ExperimentalobservationofmagnetogravitywaveswasbasedondataanalysisofionosphericF2layerverticalsoundingandonthevaluesofgeomagneticfieldhorizontalcomponent.Basedon
4、thedataofverticalsoundingcharacteristicfrequencies(10-4÷4?10-4Hz)andvelocities(over2000m/s)ofmagnetogravitywaveswereestimated.Inthisfrequencyrangesuchvaluesareconsistentwiththeanalyticalparametersoffastandslowpropagatingmagnetogravitywavesmodes.Введитетекстилиадресвеб-с
5、айталибопереведитедокумент.Отмена1.VvedenieSredivozmozhnyhistochnikovvolnovyhvozmushchenii?vionosfere,vtomchisleperemeshchayushchihsyaionosfernyhvozmushchenii?(PIV),chastorassmatrivayutavroral?nyeelektrodzhety.Obshcheprinyatymyavlyaet·syamnenieoperenosevozmushchenii?iza
6、vroral?noi?oblastiksredniminizkimshirotamposredstvomakustiko-gravitatsionnyhvoln(AGV)raznyhprostranstvennyhmasshtabov.Odnakovionosfere,kakprovodyashchyei?srede,kromeAGVmogutrasprostranyat?syamagnitogravitatsionnyevolny(MGV),skorost?kotoryhokazyvaet·syavysheskorostiAGV,n
7、onizhe,chemskorost?magnitogidrodinamicheskih(MGD)voln[SorokiniFedorovich,1982].Eksperimental?noepodtverzhdeniesushchestvovaniyaMGVvionosferenavysotahsloyaF2poluchenov[Barhatovaidr.,2009],gdeproanalizirovanyihdispersionnyesootnosheniyadlyauslovii?sredysbeskonechnoi?provo
8、dimost?yu.Vnastoyashchyei?rabotepoluchenydispersionnyesootnosheniyadlyaMGVvionosfereskonechnoi?provodimost?yu.
