1. Université de Bretagne Occidentale, CNRS, IRD, Ifremer, Laboratoire d'Océanographie Physique et Spatiale (LOPS), IUEM Brest France
2. Council for Scientific and Industrial Research, Natural Resources and the Environment Cape Town South Africa
3. Department of Oceanography, Ma‐re Institute University of Cape Town South Africa
4. Nansen‐Tutu Centre for Marine Environmental Research, Department of Oceanography University of Cape Town South Africa