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Arctic winter 2005: Implications for stratospheric ozone loss and climate change

dc.contributor.authorRex, M.
dc.contributor.authorSalawitch, R.J.
dc.contributor.authorDeckelmann, H.
dc.contributor.authorvon der Gathen, P.
dc.contributor.authorHarris, N.
dc.contributor.authorChipperfield, M.
dc.contributor.authorNaujokat, B.
dc.contributor.authorReimer, E.
dc.contributor.authorAllaart, M.
dc.contributor.authorAndersen, S.
dc.contributor.authorBevilacqua, R.
dc.contributor.authorBraathen, G.
dc.contributor.authorClaude, H.
dc.contributor.authorDavis, J.
dc.contributor.authorDe Backer,H.
dc.contributor.authorDier, H.
dc.contributor.authorDorokov, V.
dc.contributor.authorFast,H.
dc.contributor.authorGerding, M.
dc.contributor.authorGodin-Beekmann, S.
dc.contributor.authorHoppel, K.
dc.contributor.authorJohnson, B.
dc.contributor.authorKyrö, E.
dc.contributor.authorLitynska, Z.
dc.contributor.authorMoore, D.
dc.contributor.authorNakane, H.
dc.contributor.authorParrondo, C.
dc.contributor.authorRisley, D.
dc.contributor.authorSkrivankova, P.
dc.contributor.authorStübi, R.
dc.contributor.authorViatte, P.
dc.contributor.authorYushkov, V.
dc.contributor.authorZerefos, C.
dc.coverage.temporal21st century
dc.date2006
dc.date.accessioned2016-03-07T16:16:53Z
dc.date.accessioned2021-12-09T09:53:32Z
dc.date.available2016-03-07T16:16:53Z
dc.date.available2021-12-09T09:53:32Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/8681
dc.descriptionThe Arctic polar vortex exhibited widespread regions of low temperatures during the winter of 2005, resulting in significant ozone depletion by chlorine and bromine species. We show that chemical loss of column ozone (ΔO3) and the volume of Arctic vortex air cold enough to support the existence of polar stratospheric clouds (VPSC) both exceed levels found for any other Arctic winter during the past 40 years. Cold conditions and ozone loss in the lowermost Arctic stratosphere (e.g.; between potential temperatures of 360 to 400 K) were particularly unusual compared to previous years. Measurements indicate ΔO3 = 121 ± 20 DU and that ΔO3 versus VPSC lies along an extension of the compact, near linear relation observed for previous Arctic winters. The maximum value of VPSC during five to ten year intervals exhibits a steady, monotonic increase over the past four decades, indicating that the coldest Arctic winters have become significantly colder, and hence are more conducive to ozone depletion by anthropogenic halogens.
dc.languageeng
dc.publisherIRM
dc.publisherKMI
dc.publisherRMI
dc.relation.ispartofseriesgeophysical research letters
dc.titleArctic winter 2005: Implications for stratospheric ozone loss and climate change
dc.typeArticle
dc.subject.frascatiEarth and related Environmental sciences
dc.audienceGeneral Public
dc.audienceScientific
dc.subject.freeArctic polar vortex
dc.subject.free2005
dc.subject.freeTemperature
dc.subject.freeOzone
dc.subject.freeanthropogenic halogens
dc.source.issuegeophysical research letters
Orfeo.peerreviewedNot pertinent


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