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Sea surface temperature
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====Atlantic Multidecadal Oscillation==== [[Ocean current]]s, such as the [[Atlantic multidecadal oscillation|Atlantic Multidecadal Oscillation]], can affect sea surface temperatures over several decades.<ref>{{Cite journal |last1=McCarthy |first1=Gerard D. |last2=Haigh |first2=Ivan D. |last3=Hirschi |first3=Joël J.-M. |last4=Grist |first4=Jeremy P. |last5=Smeed |first5=David A. |date=2015-05-28 |title=Ocean impact on decadal Atlantic climate variability revealed by sea-level observations |url=http://mural.maynoothuniversity.ie/12187/1/McCarthy_Ocean_2015.pdf |journal=Nature |volume=521 |issue=7553 |pages=508–510 |bibcode=2015Natur.521..508M |doi=10.1038/nature14491 |issn=1476-4687 |pmid=26017453 |s2cid=4399436}}</ref> The Atlantic Multidecadal Oscillation (AMO) is an important driver of North Atlantic SST and Northern Hemisphere climate, but the mechanisms controlling AMO variability remain poorly understood.<ref>{{Cite journal |last1=Knudsen |first1=Mads Faurschou |last2=Jacobsen |first2=Bo Holm |last3=Seidenkrantz |first3=Marit-Solveig |last4=Olsen |first4=Jesper |date=2014-02-25 |title=Evidence for external forcing of the Atlantic Multidecadal Oscillation since termination of the Little Ice Age |journal=Nature Communications |volume=5 |pages=3323 |bibcode=2014NatCo...5.3323K |doi=10.1038/ncomms4323 |issn=2041-1723 |pmc=3948066 |pmid=24567051}}</ref> Atmospheric internal variability, changes in ocean circulation, or anthropogenic drivers may control the multidecadal temperature variability associated with AMO.<ref>{{Cite journal |last1=Wills |first1=R.C. |last2=Armour |first2=K.C. |last3=Battisti |first3=D.S. |last4=Hartmann |first4=D.L. |date=2019 |title=Ocean–atmosphere dynamical coupling fundamental to the Atlantic multidecadal oscillation |journal=Journal of Climate |volume=32 |issue=1 |pages=251–272|doi=10.1175/JCLI-D-18-0269.1 |bibcode=2019JCli...32..251W |s2cid=85450306 |doi-access=free}}</ref> These changes in North Atlantic SST may influence winds in the subtropical North Pacific and produce warmer SSTs in the western Pacific Ocean.<ref>{{Cite journal |last1=Wu |first1=Baolan |last2=Lin |first2=Xiaopei |last3=Yu |first3=Lisan |date=17 February 2020 |title=North Pacific subtropical mode water is controlled by the Atlantic Multidecadal Variability |url=https://www.nature.com/articles/s41558-020-0692-5 |journal=Nature Climate Change |language=en |volume=10 |issue=3 |pages=238–243 |doi=10.1038/s41558-020-0692-5 |bibcode=2020NatCC..10..238W |s2cid=211138572 |issn=1758-6798}}</ref>[[File:Weeklysst.gif|thumb|right|Weekly average sea surface temperature in the ocean during the first week of February 2011, during a period of [[El Niño-Southern Oscillation#Effects of ENSO's cool phase (La Niña)|La Niña]].]]
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