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Atlantic-Pacific As...
Atlantic-Pacific Asymmetry in Deep Water Formation
- Article/chapterEnglish2018
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Annual Reviews,2018
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Numbers
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LIBRIS-ID:oai:DiVA.org:su-157845
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-157845URI
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https://doi.org/10.1146/annurev-earth-082517-010045DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:for swepub-publicationtype
Notes
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While the Atlantic Ocean is ventilated by high-latitude deep water formation and exhibits a pole-to-pole overturning circulation, the Pacific Ocean does not. This asymmetric global overturning pattern has persisted for the past 2-3 million years, with evidence for different ventilation modes in the deeper past. In the current climate, the Atlantic-Pacific asymmetry occurs because the Atlantic is more saline, enabling deep convection. To what extent the salinity contrast between the two basins is dominated by atmospheric processes (larger net evaporation over the Atlantic) or oceanic processes (salinity transport into the Atlantic) remains an outstanding question. Numerical simulations have provided support for both mechanisms; observations of the present climate support a strong role for atmospheric processes as well as some modulation by oceanic processes. A major avenue for future work is the quantification of the various processes at play to identify which mechanisms are primary in different climate states.
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Cessi, Paola
(author)
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Coxall, Helen K.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)hcoxa
(author)
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de Boer, AgathaStockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)adebo
(author)
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Dijkstra, Henk A.
(author)
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Drijfhout, Sybren S.
(author)
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Eldevik, Tor
(author)
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Harnik, Nili
(author)
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McManus, Jerry F.
(author)
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Marshall, David P.
(author)
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Nilsson, JohanStockholms universitet,Meteorologiska institutionen (MISU)(Swepub:su)jnils
(author)
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Roquet, FabienStockholms universitet,Meteorologiska institutionen (MISU)(Swepub:su)froqu
(author)
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Schneider, Tapio
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Wills, Robert C.
(author)
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Stockholms universitetInstitutionen för geologiska vetenskaper
(creator_code:org_t)
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In:Annual Review of Earth and Planetary Science: Annual Reviews46, s. 327-3520084-65971545-4495
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Ferreira, David
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Cessi, Paola
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Coxall, Helen K.
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de Boer, Agatha
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Dijkstra, Henk A ...
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Drijfhout, Sybre ...
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Eldevik, Tor
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Harnik, Nili
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McManus, Jerry F ...
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Marshall, David ...
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Nilsson, Johan
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Roquet, Fabien
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Schneider, Tapio
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Wills, Robert C.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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Stockholm University