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Climate model bench...
Climate model benchmarking with glacial and mid-Holocene climates
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Harrison, S. P. (author)
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Bartlein, P. J. (author)
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Brewer, S. (author)
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Prentice, I. C. (author)
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- Boyd, Meighan (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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Hessler, I. (author)
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- Holmgren, Karin (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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Izumi, K. (author)
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Willis, K. (author)
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(creator_code:org_t)
- 2013-08-30
- 2014
- English.
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In: Climate Dynamics. - : Springer Science and Business Media LLC. - 0930-7575 .- 1432-0894. ; 43:3-4, s. 671-688
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https://doi.org/10.1...
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Abstract
Subject headings
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- Past climates provide a test of models' ability to predict climate change. We present a comprehensive evaluation of state-of-the-art models against Last Glacial Maximum and mid-Holocene climates, using reconstructions of land and ocean climates and simulations from the Palaeoclimate Modelling and Coupled Modelling Intercomparison Projects. Newer models do not perform better than earlier versions despite higher resolution and complexity. Differences in climate sensitivity only weakly account for differences in model performance. In the glacial, models consistently underestimate land cooling (especially in winter) and overestimate ocean surface cooling (especially in the tropics). In the mid-Holocene, models generally underestimate the precipitation increase in the northern monsoon regions, and overestimate summer warming in central Eurasia. Models generally capture large-scale gradients of climate change but have more limited ability to reproduce spatial patterns. Despite these common biases, some models perform better than others.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Keyword
- Climate-model evaluation
- Climate sensitivity
- Last Glacial Maximum
- Mid-Holocene monsoons
- Palaeoclimate Modelling Intercomparison Project
- Physical Geography
- naturgeografi
Publication and Content Type
- ref (subject category)
- art (subject category)
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