Impacts of the Atlantic Equatorial Mode in a warmer climate

Verfasser / Beitragende:
[Elsa Mohino, Teresa Losada]
Ort, Verlag, Jahr:
2015
Enthalten in:
Climate Dynamics, 45/7-8(2015-10-01), 2255-2271
Format:
Artikel (online)
ID: 605471452
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024 7 0 |a 10.1007/s00382-015-2471-y  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00382-015-2471-y 
245 0 0 |a Impacts of the Atlantic Equatorial Mode in a warmer climate  |h [Elektronische Daten]  |c [Elsa Mohino, Teresa Losada] 
520 3 |a The main source of sea surface temperature (SST) variability in the Tropical Atlantic at interannual time scales is the Equatorial Mode or Atlantic El Niño. It has been shown to affect the adjacent continents and also remote regions, leading to a weakened Indian Monsoon and promoting La Niña-type anomalies over the Pacific. However, its effects in a warmer climate are unknown. This work analyses the impact of the Equatorial Mode at the end of the twenty first century by means of sensitivity experiments with an atmosphere general circulation model. The prescribed boundary conditions for the future climate are based on the outputs from models participating in the coupled model intercomparison project—phase V. Our results suggest that even if the characteristics of the Equatorial Mode at the end of the twenty first century remained equal to those of the twentieth century, there will be an eastward shift of the main rainfall positive anomalies in the Tropical Atlantic and a weakening of the negative rainfall anomalies over the Asian monsoon due to the change in climatological SSTs. We also show that extratropical surface temperature anomalies over land related to the mode will change in regions like Southwestern Europe, East Australia, Asia or North America due to the eastward shift of the sea level pressure systems and related surface winds. 
540 |a The Author(s), 2015 
690 7 |a Tropical Atlantic variability  |2 nationallicence 
690 7 |a Atlantic Equatorial Mode  |2 nationallicence 
690 7 |a Climate change  |2 nationallicence 
690 7 |a Atmosphere general circulation model (AGCM)  |2 nationallicence 
690 7 |a Interannual variability  |2 nationallicence 
700 1 |a Mohino  |D Elsa  |u Dpto. Física de la Tierra, Astronomía y Astrofísica I, Facultad Ciencias Físicas, Universidad Complutense de Madrid, Plaza de Ciencias, 1, 28040, Madrid, Spain  |4 aut 
700 1 |a Losada  |D Teresa  |u Dpto. Física de la Tierra, Astronomía y Astrofísica I, Facultad Ciencias Físicas, Universidad Complutense de Madrid, Plaza de Ciencias, 1, 28040, Madrid, Spain  |4 aut 
773 0 |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 45/7-8(2015-10-01), 2255-2271  |x 0930-7575  |q 45:7-8<2255  |1 2015  |2 45  |o 382 
856 4 0 |u https://doi.org/10.1007/s00382-015-2471-y  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00382-015-2471-y  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mohino  |D Elsa  |u Dpto. Física de la Tierra, Astronomía y Astrofísica I, Facultad Ciencias Físicas, Universidad Complutense de Madrid, Plaza de Ciencias, 1, 28040, Madrid, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Losada  |D Teresa  |u Dpto. Física de la Tierra, Astronomía y Astrofísica I, Facultad Ciencias Físicas, Universidad Complutense de Madrid, Plaza de Ciencias, 1, 28040, Madrid, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 45/7-8(2015-10-01), 2255-2271  |x 0930-7575  |q 45:7-8<2255  |1 2015  |2 45  |o 382