Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 5, issue 4
Articles | Volume 5, issue 4
https://doi.org/10.5194/wcd-5-1505-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-5-1505-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 4
Research article
 | 
17 Dec 2024
Research article |  | 17 Dec 2024

The role of the Indian Ocean Dipole in modulating the austral spring ENSO teleconnection to the Southern Hemisphere

Luciano Gustavo Andrian, Marisol Osman, and Carolina Susana Vera

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Cited articles

Andrian, L. G.: LucianoAndrian/ENSO_IOD: Code_Andrian_etal_2024, Zenodo [code], https://doi.org/10.5281/zenodo.14014116, 2024. a
Cai, W., Rensch, P., Cowan, T., and Hendon, H.: Teleconnection Pathways of ENSO and the IOD and the Mechanisms for Impacts on Australian Rainfall, J. Climate, 24, 3910–3923, https://doi.org/10.1175/2011JCLI4129.1, 2011. a, b, c, d, e, f, g, h, i, j, k, l, m, n
Cai, W., Rensch, P., Cowan, T., and Hendon, H.: An Asymmetry in the IOD and ENSO Teleconnection Pathway and Its Impact on Australian Climate, J. Climate, 25, 6318–6329, https://doi.org/10.1175/JCLI-D-11-00501.1, 2012. a, b, c, d, e, f
Cai, W., Zheng, X.-T., Weller, E., Collins, M., Cowan, T., Lengaigne, M., Yu, W., and Yamagata, T.: Projected response of the Indian Ocean Dipole to greenhouse warming, Nat. Geosci., 6, 999–1007, 2013. a, b, c
Cai, W., McPhaden, M., Grimm, A., Rodrigues, R., Taschetto, A., Garreaud, R., Dewitte, B., Poveda, G., Ham, Y.-G., Santoso, A., Ng, B., Anderson, W., Wang, G., Geng, T., Jo, H.-S., Marengo, J., Alves, L., Osman, M., Li, S., and Vera, C.: Climate impacts of the El Niño–Southern Oscillation on South America, Nature Reviews Earth & Environment, 1, 215–231, https://doi.org/10.1038/s43017-020-0040-3, 2020. a, b
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The interplay between the El Niño–Southern Oscillation (ENSO) and the Indian Ocean Dipole (IOD) is well-researched in the tropical Indian Ocean, but their effects on the Southern Hemisphere's extratropical regions during spring are less studied. We show that the positive phase of the IOD can strengthen the El Niño circulation anomalies, heightening their continental impacts. On the other hand, negative IOD combined with La Niña shows less consistent changes among the different methodologies.
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