Super El Niños in response to global warming in a climate model

Latif, Mojib, Semenov, Vladimir A. and Park, Wonsun (2015) Super El Niños in response to global warming in a climate model Climatic Change, 132 (4). pp. 489-500. DOI 10.1007/s10584-015-1439-6.

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Abstract

Extraordinarily strong El Niño events, such as those of 1982/1983 and 1997/1998, cause havoc with weather around the world, adversely influence terrestrial and marine ecosystems in a number of regions and have major socio-economic impacts. Here we show by means of climate model integrations that El Niño events may be boosted by global warming. An important factor causing El Niño intensification is warming of the western Pacific warm pool, which strongly enhances surface zonal wind sensitivity to eastern equatorial Pacific sea surface temperature anomalies. This in conjunction with larger and more zonally asymmetric equatorial Pacific upper ocean heat content supports stronger and longer lasting El Niños. The most intense events, termed Super El Niños, drive extraordinary global teleconnections which are associated with exceptional surface air temperature and rainfall anomalies over many land areas.

Document Type: Article
Additional Information: Electronic supplementary material: The online version of this article (doi:10.1007/s10584-015-1439-6) contains supplementary material, which is available to authorized users. - WOS:000361799100002
Keywords: TROPICAL PACIFIC; NINO/SOUTHERN OSCILLATION; ENSO VARIABILITY; GREENHOUSE; PLIOCENE; OCEAN; CIRCULATION; MECHANISMS; EPISODE; EVENTS
Research affiliation: OceanRep > SFB 754
OceanRep > SFB 754 > A1
OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-ME Maritime Meteorology
Kiel University
Refereed: Yes
DOI etc.: 10.1007/s10584-015-1439-6
ISSN: 0165-0009
Projects: RACE, SACUS, SFB754
Expeditions/Models:
Date Deposited: 02 Sep 2015 08:39
Last Modified: 19 Dec 2017 12:43
URI: http://eprints.uni-kiel.de/id/eprint/29495

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