Teleconnections of the tropical Atlantic and Pacific Oceans in a CMIP5 model ensemble

Verfasser / Beitragende:
[Irena Ott, Karin Romberg, Jucundus Jacobeit]
Ort, Verlag, Jahr:
2015
Enthalten in:
Climate Dynamics, 44/11-12(2015-06-01), 3043-3055
Format:
Artikel (online)
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024 7 0 |a 10.1007/s00382-014-2394-z  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00382-014-2394-z 
245 0 0 |a Teleconnections of the tropical Atlantic and Pacific Oceans in a CMIP5 model ensemble  |h [Elektronische Daten]  |c [Irena Ott, Karin Romberg, Jucundus Jacobeit] 
520 3 |a This study investigates the teleconnections between the tropical Atlantic and Pacific Oceans in 15 state-of-the-art fully coupled general circulation models and Earth system models without external SST forcing. In contrast to other studies, the teleconnection is considered in both directions—from the Pacific to the Atlantic and from the Atlantic to the Pacific. The model ensemble is generally able to simulate the propagation of atmospheric and oceanic signals to the adjacent ocean basin, generated by warm sea surface temperature (SST) anomalies in the tropical eastern oceans with Atlantic summer events lagging or leading Pacific boreal winter events. This is investigated by means of time-lagged composite analyses of different atmospheric parameters, including sea level pressure, wind, stream function, velocity potential, vertical air movement and divergent wind at several levels. However, the modelled inter-basin teleconnection and its correct frequency of occurrence depend on the strong warm SST biases in the Atlantic Benguela upwelling region and in the Pacific Ocean. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
690 7 |a Teleconnection  |2 nationallicence 
690 7 |a Tropical Pacific  |2 nationallicence 
690 7 |a Tropical Atlantic  |2 nationallicence 
690 7 |a CMIP5  |2 nationallicence 
690 7 |a Model ensemble  |2 nationallicence 
700 1 |a Ott  |D Irena  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
700 1 |a Romberg  |D Karin  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
700 1 |a Jacobeit  |D Jucundus  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
773 0 |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 44/11-12(2015-06-01), 3043-3055  |x 0930-7575  |q 44:11-12<3043  |1 2015  |2 44  |o 382 
856 4 0 |u https://doi.org/10.1007/s00382-014-2394-z  |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/s00382-014-2394-z  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ott  |D Irena  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Romberg  |D Karin  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Jacobeit  |D Jucundus  |u Institute of Geography, University of Augsburg, Alter Postweg 118, Augsburg, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Climate Dynamics  |d Springer Berlin Heidelberg  |g 44/11-12(2015-06-01), 3043-3055  |x 0930-7575  |q 44:11-12<3043  |1 2015  |2 44  |o 382