Ashneel Chandra (2024-03-19): The Role of Ocean Heat Content on the Madden–Julian Oscillation. PhD thesis, University of Bergen, Bergen, Norway. https://hdl.handle.net/11250/3124162

Summary: The overall goal of this dissertation is to understand the role of upper ocean heat content (OHC) and equatorial ocean dynamics on the Madden-Julian Oscillation (MJO). While the response of the ocean to atmospheric forcing on intraseasonal timescales has been studied extensively, the feedback of OHC on the MJO has not been systematically investigated. Recently, a new line of research has emerged that highlights the interaction between ocean dynamics, OHC, and the MJO in the Indian Ocean (IO) basin. In the IO, synchronization between oceanic equatorial waves and the MJO is possible because of the basin-scale, the propagation speed of oceanic equatorial waves, and the timescale of MJO variability. In a series of three papers, this thesis aims to contribute to understanding the variability and interactions between the MJO, equatorial ocean dynamics, and OHC in the IO basin.

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