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Past terrestrial hy...
Past terrestrial hydroclimate sensitivity controlled by Earth system feedbacks
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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2022-03-14
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Springer Science and Business Media LLC,2022
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:su-203455
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-203455URI
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https://doi.org/10.1038/s41467-022-28814-7DOI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Despite tectonic conditions and atmospheric CO2 levels (pCO2) similar to those of present-day, geological reconstructions from the mid-Pliocene (3.3-3.0 Ma) document high lake levels in the Sahel and mesic conditions in subtropical Eurasia, suggesting drastic reorganizations of subtropical terrestrial hydroclimate during this interval. Here, using a compilation of proxy data and multi-model paleoclimate simulations, we show that the mid-Pliocene hydroclimate state is not driven by direct CO2 radiative forcing but by a loss of northern high-latitude ice sheets and continental greening. These ice sheet and vegetation changes are long-term Earth system feedbacks to elevated pCO2. Further, the moist conditions in the Sahel and subtropical Eurasia during the mid-Pliocene are a product of enhanced tropospheric humidity and a stationary wave response to the surface warming pattern, which varies strongly with land cover changes. These findings highlight the potential for amplified terrestrial hydroclimate responses over long timescales to a sustained CO2 forcing.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Bhattacharya, Tripti
(author)
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Otto-Bliesner, Bette L.
(author)
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Brady, Esther C.
(author)
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Haywood, Alan M.
(author)
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Tindall, Julia C.
(author)
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Hunter, Stephen J.
(author)
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Abe-Ouchi, Ayako
(author)
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Chan, Wing-Le
(author)
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Kageyama, Masa
(author)
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Contoux, Camille
(author)
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Guo, Chuncheng
(author)
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Li, Xiangyu
(author)
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Lohmann, Gerrit
(author)
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Stepanek, Christian
(author)
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Tan, Ning
(author)
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Zhang, QiongStockholms universitet,Institutionen för naturgeografi(Swepub:su)qzhan
(author)
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Zhang, Zhongshi
(author)
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Han, Zixuan
(author)
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Williams, Charles J. R.
(author)
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Lunt, Daniel J.
(author)
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Dowsett, Harry J.
(author)
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Chandan, Deepak
(author)
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Peltier, W. Richard
(author)
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Stockholms universitetInstitutionen för naturgeografi
(creator_code:org_t)
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In:Nature Communications: Springer Science and Business Media LLC13:12041-1723
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Feng, Ran
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Bhattacharya, Tr ...
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Otto-Bliesner, B ...
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Brady, Esther C.
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Haywood, Alan M.
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Tindall, Julia C ...
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show more...
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Hunter, Stephen ...
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Abe-Ouchi, Ayako
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Chan, Wing-Le
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Kageyama, Masa
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Contoux, Camille
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Guo, Chuncheng
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Li, Xiangyu
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Lohmann, Gerrit
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Stepanek, Christ ...
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Tan, Ning
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Zhang, Qiong
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Zhang, Zhongshi
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Han, Zixuan
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Williams, Charle ...
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Lunt, Daniel J.
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Dowsett, Harry J ...
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Chandan, Deepak
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Peltier, W. Rich ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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Nature Communica ...
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Stockholm University