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Research article - Peer-reviewed, 2022

Jet stream position explains regional anomalies in European beech forest productivity and tree growth

Dorado-Linan, Isabel; Ayarzaguena, Blanca; Babst, Flurin; Xu, Guobao; Gil, Luis; Battipaglia, Giovanna; Buras, Allan; Cada, Vojtech; Julio Camarero, J.; Cavin, Liam; Claessens, Hugues; Drobyshev, Igor; Garamszegi, Balazs; Grabner, Michael; Hacket-Pain, Andrew; Hartl, Claudia; Hevia, Andrea; Janda, Pavel; Jump, Alistair S.; Kazimirovic, Marko;
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The mechanistic pathways connecting ocean-atmosphere variability and terrestrial productivity are well-established theoretically, but remain challenging to quantify empirically. Such quantification will greatly improve the assessment and prediction of changes in terrestrial carbon sequestration in response to dynamically induced climatic extremes. The jet stream latitude (JSL) over the North Atlantic-European domain provides a synthetic and robust physical framework that integrates climate variability not accounted for by atmospheric circulation patterns alone. Surface climate impacts of north-south summer JSL displacements are not uniform across Europe, but rather create a northwestern-southeastern dipole in forest productivity and radial-growth anomalies. Summer JSL variability over the eastern North Atlantic-European domain (5-40E) exerts the strongest impact on European beech, inducing anomalies of up to 30% in modelled gross primary productivity and 50% in radial tree growth. The net effects of JSL movements on terrestrial carbon fluxes depend on forest density, carbon stocks, and productivity imbalances across biogeographic regions.Here the authors show that extremes in the summer jet stream position over Europe create a beech forest productivity dipole between northwestern and southeastern Europe and can result in regional anomalies in forest carbon uptake and growth.

Published in

Nature Communications
2022, volume: 13, article number: 2015

Authors' information

Dorado-Linan, Isabel
Universidad Politecnica de Madrid
Ayarzaguena, Blanca
Complutense University of Madrid
Babst, Flurin
University of Arizona
Xu, Guobao
University of Arizona
Xu, Guobao
Chinese Academy of Sciences
Gil, Luis
Universidad Politecnica de Madrid
Battipaglia, Giovanna
Universita della Campania Vanvitelli
Buras, Allan
Technical University of Munich
Cada, Vojtech
Czech University of Life Sciences Prague
Camarero, Julio J.
Instituto Pirenaico de Ecologia (IPE-CSIC)
Cavin, Liam
University of Stirling
Claessens, Hugues
University of Liege
Swedish University of Agricultural Sciences, Southern Swedish Forest Research Centre
Garamszegi, Balazs
University of Freiburg
Grabner, Michael
University of Natural Resources and Life Sciences, Vienna
Hacket-Pain, Andrew
University of Liverpool
Hartl, Claudia
Nat Rings Environm Res and Educ
Hevia, Andrea
Universidad de Huelva
Janda, Pavel
Czech University of Life Sciences Prague
Jump, Alistair S.
University of Stirling
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UKÄ Subject classification

Meteorology and Atmospheric Sciences
Climate Research
Forest Science

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