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Climate change projections and stratosphere–troposphere interaction

Climate dynamics, 2012-05, Vol.38 (9-10), p.2089-2097 [Peer Reviewed Journal]

Crown Copyright 2011 ;2015 INIST-CNRS ;COPYRIGHT 2012 Springer ;Springer-Verlag 2012 ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0930-7575 ;EISSN: 1432-0894 ;DOI: 10.1007/s00382-011-1080-7 ;CODEN: CLDYEM

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Title:
Climate change projections and stratosphere–troposphere interaction
Author: Scaife, Adam A. ; Spangehl, Thomas ; Fereday, David R. ; Cubasch, Ulrich ; Langematz, Ulrike ; Akiyoshi, Hideharu ; Bekki, Slimane ; Braesicke, Peter ; Butchart, Neal ; Chipperfield, Martyn P. ; Gettelman, Andrew ; Hardiman, Steven C. ; Michou, Martine ; Rozanov, Eugene ; Shepherd, Theodore G.
Subjects: Atmospheric and Oceanic Physics ; Atmospheric circulation ; Climate change ; Climatic changes ; Climatology ; Climatology. Bioclimatology. Climate change ; Dynamic meteorology ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; Environmental aspects ; Environmental Sciences ; Exact sciences and technology ; External geophysics ; Geophysics/Geodesy ; Global Changes ; Marine ; Meteorology ; Oceanography ; Physics ; Rain ; Sciences of the Universe ; Stratosphere ; Stratospheric circulation ; Troposphere ; Tropospheric circulation ; Winter
Is Part Of: Climate dynamics, 2012-05, Vol.38 (9-10), p.2089-2097
Description: Climate change is expected to increase winter rainfall and flooding in many extratropical regions as evaporation and precipitation rates increase, storms become more intense and storm tracks move polewards. Here, we show how changes in stratospheric circulation could play a significant role in future climate change in the extratropics through an additional shift in the tropospheric circulation. This shift in the circulation alters climate change in regional winter rainfall by an amount large enough to significantly alter regional climate change projections. The changes are consistent with changes in stratospheric winds inducing a change in the baroclinic eddy growth rate across the depth of the troposphere. A change in mean wind structure and an equatorward shift of the tropospheric storm tracks relative to models with poor stratospheric resolution allows coupling with surface climate. Using the Atlantic storm track as an example, we show how this can double the predicted increase in extreme winter rainfall over Western and Central Europe compared to other current climate projections.
Publisher: Berlin/Heidelberg: Springer-Verlag
Language: English
Identifier: ISSN: 0930-7575
EISSN: 1432-0894
DOI: 10.1007/s00382-011-1080-7
CODEN: CLDYEM
Source: AUTh Library subscriptions: ProQuest Central
Hyper Article en Ligne (HAL) (Open Access)
Alma/SFX Local Collection

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Climate change projections and stratosphere–troposphere interaction

Crown Copyright 2011 ;2015 INIST-CNRS ;COPYRIGHT 2012 Springer ;Springer-Verlag 2012 ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0930-7575 ;EISSN: 1432-0894 ;DOI: 10.1007/s00382-011-1080-7 ;CODEN: CLDYEM

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