Tavi III msoflio okeanis dabinZurebis Tanamedrove mdgomareoba navTobis naxSirwyalbadebi



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Tavi III. msoflio okeanis dabinZurebis Tanamedrove mdgomareoba

3.1. navTobis naxSirwyalbadebi

okeaneebsa da zRvebSi Catarebuli mravalricxovani gamokvlevebis safuZvelze SesaZlebelia mTeli rigi zogadi daskvnebis gamotana msoflio okeanis qimiuri dabinZurebis mdgomareobis Sesaxeb. Tanamedrove msoflio okeanis dabinZureba ukve globaluri xasiaTisaa. praqtikulad yvela damabinZurebeli nivTiereba mcire an mniSvnelovani koncentraciiT gvxvdeba okeanis nebismier raionSi. gamovlenilia ZiriTadi cirkulaciuri sistemebis roli damabinZurebel nivTierebaTa gadanawilebasa da dagrovebaSi. golfstrimi da Crdilo atlantikuri dinebebi amcirebs CrdiloeT amerikis da evropis sanapiro zonebis intensiur dabinZurebas da mavne minarevebis akumulacia xdeba sargasis, norvegiis da barencis zRvebSi. ciklonuri da anticiklonuri xasiaTis okeanuri grigalebi, wylis vertikaluri moZraoba divergenciebSi, konvergenciaSi da appvelingSi qmnian sivrceSi damabinZurebel nivTierebebis mniSvnelovan araTanabar ganawilebas.

Selfur wylebSi, navTobis gadazidvis da intensiuri naosnobis raionebSi, okeaneTa farTo akvatoriebze yalibdeba navTobis naxSirwyalbadebiT dabinZurebis velebi.

msoflio okeanis wylebis zedapirul dabinZurebaze Catarebuli dakvirvebebis safuZvelze gamovlenilia dabinZurebis mdgradi kerebi. atlantikis okeaneSi navTobis afskebi yvelaze xSirad gvxvdeba C.g. 10 da 50o-s Soris. Selfuri wylebis zogierT zonebSi afskebis aRmoCenis sixSire 10%-s aRemateba, xolo afrikis sanapiroebsa da karibis zRvis auzSi 15%-ze metia.



wynar okeaneSi navTobis fena, afski yvelaze xSiria axlo aRmosavleTidan da indoneziidan iaponiisaken mimaval sanaosno trasebze da navTobis gadazidvis gzebze (40% da meti), xolo maTgan daSorebiT ramdenadme klebulobs (20% da naklebi). navTobis afskebiT dafarvis saSualo sixSire samxreT-CineTis zRvisaTvis 21%-ia, kurosiosaTvis 13%, xolo iaponiis zRvisaTvis 6%.


nax. 3.1. navTobis afskebis ganawileba msoflio okeanis zedapirze (1980w. vladimirovi da sxv.)
indoeTis okeaneSi navTobis afskiT mudmivad dafarulia wiTeli zRvis, adenis da sparseTis yureebis mniSvnelovani akvatoriebi.

navTobis calkeuli gundebi (agregatebi) daikvirveba pirdapiri dabinZurebis da okeaneebis Ria raionebSi. navTobis agregatebis sivrcobrivi gadanawileba wylebis cirkulaciur sistemaSi zedapiruli dinebebiT xorcieldeba. kanaris dinebis wylebSi gundebis koncentracia 2,5-60,7 mg/m2-s aRwevs, sadac misi saSualo wliuri mniSvneloba 0,74mg/m2-ia. aqedan Crdilo-pasatis dinebiT is gadaitaneba dasavleTiT da grovdeba sargasis zRvaSi (9,6mg/m2), Semdeg Crdilo-atlantikuri dinebiT transportirdeba da grovdeba norvegiisa da barencis zRvebSi (6,8 mg/m). subpolaruli fronti mdgradi barieris rols asrulebs navTobis agregatebis moxvedrisaTvis grelandiis zRvaSi da norvegiis zRvis dasavleT nawilSi. aq iseve, rogorc ekvatorialur da samxreT atlantikaSi, maTi Semcveloba mcirdeba 0,01mg/m2-mde. navTobis agregatebis maRali koncentraciebi (100mg/m2-mde) aRiniSneba iaponiis samxreTiT, havais kunZulebsa da san-franciskos raionebs Soris.





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