Circulation dynamics and its influence on European and Mediterranean January–April climate over the past half millennium: results and insights from instrumental data,documentary evidence and coupled climate models

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Circulation dynamics and its influence on European and Mediterranean January–April climate over the past half millennium : results and insights from instrumental data,documentary evidence and coupled climate models

Luterbacher, Jürg (author)

Koenig, S.J. (author)

Franke, Jörg (author)

van der Schrier, Gerard (author)

Zorita, Eduardo (author)

Moberg, Anders, 1961- (author): Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)

Jacobeit, Jucundus (author)

Della-Marta, Paul M. (author)

Küttel, Marcel (author)

Xoplaki, Elena (author)

Wheeler, Dennis (author)

Rutishauser, This (author)

Stössel, M. (author)

Wanner, Heinz (author)

Brázdil, Rudolf (author)

Dobrovolný, Petr (author)

Camuffo, Dario (author)

Bertolin, Chiara (author)

van Engelen, Aryan (author)

Gonzalez-Rouco, F.J. (author)

Wilson, Rob (author)

Pfister, Christian (author)

Limanówka, Danuta (author)

Nordli, Oyvind (author)

Leijonhufvud, Lotta (author): Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)

Söderberg, Johan (author): Stockholms universitet,Ekonomisk-historiska institutionen

Allan, Rob (author)

Barriendos, Mariano (author)

Glaser, Rüdiger (author)

Riemann, Dirk (author)

Zao, Z. (author)

Zerefos, C.S. (author)

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(creator_code:org_t)

2010-01-07
2010
English.
In: Climatic Change. - Netherlands : Springer. - 0165-0009 .- 1573-1480. ; 101:1-2, s. 201-234

Related links:: https://www.dora.lib...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

We use long instrumental temperature series together with available field reconstructions of sea-level pressure (SLP) and three-dimensional climate modelsimulations to analyze relations between temperature anomalies and atmospheric circulation patterns over much of Europe and the Mediterranean for the late winter/early spring (January–April, JFMA) season. A Canonical Correlation Analysis(CCA) investigates interannual to interdecadal covariability between a new gridded SLP field reconstruction and seven long instrumental temperature series covering the past 250 years. We then present and discuss prominent atmospheric circulation patterns related to anomalous warm and cold JFMA conditions within different European areas spanning the period 1760–2007. Next, using a data assimilation technique, we link gridded SLP data with a climate model (EC-Bilt-Clio) for a better dynamical understanding of the relationship between large scale circulationand European climate. We thus present an alternative approach to reconstruct climate for the pre-instrumental period based on the assimilated model simulations.Furthermore, we present an independent method to extend the dynamic circulation analysis for anomalously cold European JFMA conditions back to the sixteenth century. To this end, we use documentary records that are spatially representative for the long instrumental records and derive, through modern analogs, large-scale SLP, surface temperature and precipitation fields. The skill of the analog method is tested in the virtual world of two three-dimensional climate simulations (ECHOGand HadCM3). This endeavor offers new possibilities to both constrain climate model into a reconstruction mode (through the assimilation approach) and to better assess documentary data in a quantitative way.

Subject headings

NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)

Keyword

SCALE ATMOSPHERIC CIRCULATION
NORTH-ATLANTIC OSCILLATION
HISTORICAL CLIMATOLOGY
WINTER TEMPERATURES
PRESSURE PATTERNS
AIR-TEMPERATURE
AVERAGE WINTER
WESTERN-EUROPE
VARIABILITY
SUMMER
Climatology
Klimatologi
geografi med naturgeografisk inriktning
Physical Geography

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ref (subject category)
art (subject category)

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Climate Research

Articles in the publication: Climatic Change

By the university: Stockholm University

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