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Sökning: onr:"swepub:oai:research.chalmers.se:15da5aa1-ef25-42bb-b155-780cdfb6a091" > Zonal asymmetries i...

  • Gabriel, A.Universität Rostock,University of Rostock (författare)

Zonal asymmetries in middle atmospheric ozone and water vapour derived from Odin satellite data 2001-2010

  • Artikel/kapitelEngelska2011

Förlag, utgivningsår, omfång ...

  • 2011-09-26
  • Copernicus GmbH,2011
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:research.chalmers.se:15da5aa1-ef25-42bb-b155-780cdfb6a091
  • https://doi.org/10.5194/acp-11-9865-2011DOI
  • https://research.chalmers.se/publication/146825URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-70789URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • Stationary wave patterns in middle atmospheric ozone (O(3)) and water vapour (H(2)O) are an important factor in the atmospheric circulation, but there is a strong gap in diagnosing and understanding their configuration and origin. Based on Odin satellite data from 2001 to 2010 we investigate the stationary wave patterns in O(3) and H(2)O as indicated by the seasonal long-term means of the zonally asymmetric components O(3)* = O(3)-[O(3)] and H(2)O* = H(2)O-[H(2)O] ([O(3)], [H(2)O]: zonal means). At mid-and polar latitudes we find a pronounced wave one pattern in both constituents. In the Northern Hemisphere, the wave patterns increase during autumn, maintain their strength during winter and decay during spring, with maximum amplitudes of about 10-20% of the zonal mean values. During winter, the wave one in O(3)* shows a maximum over the North Pacific/Aleutians and a minimum over the North Atlantic/Northern Europe and a double-peak structure with enhanced amplitude in the lower and in the upper stratosphere. The wave one in H(2)O* extends from the lower stratosphere to the upper mesosphere with a westward shift in phase with increasing height including a jump in phase at upper stratosphere altitudes. In the Southern Hemisphere, similar wave patterns occur mainly during southern spring. By comparing the observed wave patterns in O(3)* and H(2)O* with a linear solution of a steady-state transport equation for a zonally asymmetric tracer component we find that these wave patterns are primarily due to zonally asymmetric transport by geostrophically balanced winds, which are derived from observed temperature profiles. In addition temperature-dependent photochemistry contributes substantially to the spatial structure of the wave pattern in O(3)*. Further influences, e. g., zonal asymmetries in eddy mixing processes, are discussed.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Körnich, Heiner,1971-Stockholms universitet,Meteorologiska institutionen (MISU),AP(Swepub:su)hkr (författare)
  • Lossow, Stefan,1977Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lossow (författare)
  • Peters, D.H.W.Universität Rostock,University of Rostock (författare)
  • Urban, Joachim,1964Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)joaurb (författare)
  • Murtagh, Donal,1959Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)donal (författare)
  • Universität RostockMeteorologiska institutionen (MISU) (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Atmospheric Chemistry and Physics: Copernicus GmbH11:18, s. 9865-98851680-73161680-7324

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