Coastal sea level in the Caribbean : dynamic processes and sensitivity to climate changes.

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Start date : October 1, 2021

Deadline : July 1, 2021

Supervisor :  Florence Birol

Funding: Competition for a doctoral contract

Summary

The sea level rise related to current global warming is considered to be a major threat to low-lying coastal regions of the world, which are often densely populated. While the causes of global and regional sea level changes are now well known and reasonably well quantified, this is not the case for coastal sea level.

The overall objective of this doctoral thesis is to estimate the interannual and long-term evolution of sea level in the Caribbean Sea, as close to the shoreline as possible, and understanding the principal factors that are at its origin. This region is indeed on of the most vulnerable to climate change.

More specifically, in this study, we will:

– caracterize the interannual and long-term evolutions of the coastal sea level.

– idendify the mechanisms that explain these evolutions

– do climate projections in order to define coastal sea level evolutions in the future and the risk associated.

This thesis will use high resolution coastal altimetry products produced as part of the ESA CCI + project, the available in situ data and numerical modeling. (regional high resolution ocean configuration NEMO – WaveWatch III. A downscaling exercise will be performed using the CMIP6 models considered as the more relevant in the region.

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