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The hammam effect o...
The hammam effect or how a warm ocean enhances large scale atmospheric predictability
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- Faranda, Davide (författare)
- Univ Paris Saclay, UVSQ, CNRS, LSCE,IPSL,CEA,CEA Saclay Orme Merisiers,UMR 8212, F-91191 Gif Sur Yvette, France;London Math Lab, 8 Margravine Gardens, London W68RH, England
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- Alvarez-Castro, M. Carmen (författare)
- Univ Paris Saclay, UVSQ, CNRS, LSCE,IPSL,CEA,CEA Saclay Orme Merisiers,UMR 8212, F-91191 Gif Sur Yvette, France;Ctr Euromediterraneo Cambiamenti Climat, Climate Simulat & Predict Div, I-40127 Bologna, Italy
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- Messori, Gabriele (författare)
- Uppsala universitet,Stockholms universitet,Meteorologiska institutionen (MISU),Université Paris-Saclay, France,Luft-, vatten- och landskapslära,Univ Paris Saclay, UVSQ, CNRS, LSCE,IPSL,CEA,CEA Saclay Orme Merisiers,UMR 8212, F-91191 Gif Sur Yvette, France;Stockholm Univ, Dept Meteorol, S-10691 Stockholm, Sweden;Bolin Ctr Climate Res, S-10691 Stockholm, Sweden
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- Rodrigues, David (författare)
- Univ Paris Saclay, UVSQ, CNRS, LSCE,IPSL,CEA,CEA Saclay Orme Merisiers,UMR 8212, F-91191 Gif Sur Yvette, France
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- Yiou, Pascal (författare)
- Univ Paris Saclay, UVSQ, CNRS, LSCE,IPSL,CEA,CEA Saclay Orme Merisiers,UMR 8212, F-91191 Gif Sur Yvette, France
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(creator_code:org_t)
- 2019-03-21
- 2019
- Engelska.
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 10
- Relaterad länk:
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https://doi.org/10.1...
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https://www.nature.c...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The atmosphere's chaotic nature limits its short-term predictability. Furthermore, there is little knowledge on how the difficulty of forecasting weather may be affected by anthropogenic climate change. Here, we address this question by employing metrics issued from dynamical systems theory to describe the atmospheric circulation and infer the dynamical properties of the climate system. Specifically, we evaluate the changes in the sub-seasonal predictability of the large-scale atmospheric circulation over the North Atlantic for the historical period and under anthropogenic forcing, using centennial reanalyses and CMIP5 simulations. For the future period, most datasets point to an increase in the atmosphere's predictability. AMIP simulations with 4K warmer oceans and 4 x atmospheric CO2 concentrations highlight the prominent role of a warmer ocean in driving this increase. We term this the hammam effect. Such effect is linked to enhanced zonal atmospheric patterns, which are more predictable than meridional configurations.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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