Articles | Volume 18, issue 1
https://doi.org/10.5194/os-18-193-2022
https://doi.org/10.5194/os-18-193-2022
Research article
 | 
10 Feb 2022
Research article |  | 10 Feb 2022

Interannual variability of sea level in the southern Indian Ocean: local vs. remote forcing mechanisms

Marion Kersalé, Denis L. Volkov, Kandaga Pujiana, and Hong Zhang

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Latest update: 21 Jun 2024
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Short summary
The southern Indian Ocean is one of the major basins for regional heat accumulation and sea level rise. The year-to-year changes of regional sea level are influenced by water exchange with the Pacific Ocean via the Indonesian Throughflow. Using a general circulation model, we show that the spatiotemporal pattern of these changes is primarily set by local wind forcing modulated by El Niño–Southern Oscillation, while oceanic signals originating in the Pacific can amplify locally forced signals.