Winter mean temperature variability in Turkey associated with the North Atlantic Oscillation

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dc.contributor.authorTuerkes, Murat
dc.contributor.authorErlat, Ecmel
dc.date.accessioned2025-01-27T21:01:28Z
dc.date.available2025-01-27T21:01:28Z
dc.date.issued2009
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractChanges and variability in seasonal average mean and monthly mean winter (DJF) air temperature series at 70 stations of Turkey and the circulation types at 500-hPa geopotential height level were investigated to explain atmospheric controls of temperature variations during the extreme (weak and strong) phases and normal (negative and positive) phases of the North Atlantic Oscillation (i.e., Ponta Delgada-Reykjavik and the Gibraltar-Reykjavik) indices. During the positive phases of the North Atlantic Oscillation indices (NAOIs), northeasterly circulation increased, and thus spatially coherent and significant cold signals dominate over the majority of Turkey. This pattern is closely linked to anomalously low 500-hPa heights over the region of the Icelandic Low, and anomalously high geopotential heights over the regions of the Azores High, the western Mediterranean basin and the Europe, in general including the Balkans and northwest Turkey. Contrarily, during the negative phases of the NAOIs, prevailing westerly winds that originate from the subtropical northeast Atlantic increase, and thus spatially coherent and significant warm signals over the Anatolian peninsula appear. This pattern is closely linked to the increased cyclonic activity and associated increased westerly and southwesterly circulation causing warm maritime air advection over the Mediterranean basin toward Turkey.
dc.identifier.doi10.1007/s00703-009-0046-3
dc.identifier.endpage225
dc.identifier.issn0177-7971
dc.identifier.issn1436-5065
dc.identifier.issue3-4
dc.identifier.scopus2-s2.0-70349738081
dc.identifier.scopusqualityQ3
dc.identifier.startpage211
dc.identifier.urihttps://doi.org/10.1007/s00703-009-0046-3
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27054
dc.identifier.volume105
dc.identifier.wosWOS:000270385700008
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Wien
dc.relation.ispartofMeteorology and Atmospheric Physics
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectSurface Air-Temperature
dc.subjectHemisphere Temperature
dc.subjectCaspian Pattern
dc.subjectPrecipitation
dc.subjectCirculation
dc.subjectNao
dc.subjectConnection
dc.subjectClimate
dc.subjectTrends
dc.subjectSea
dc.titleWinter mean temperature variability in Turkey associated with the North Atlantic Oscillation
dc.typeArticle

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