1. School of Earth and Environment; University of Western Australia; Crawley Western Australia Australia
2. Ecosystem Earth Observation; Council for Scientific and Industrial Research; Cape Town South Africa
3. Department of Oceanography; University of Cape Town; Cape Town South Africa
4. Nansen-Tutu Center for Marine Environmental Research; University of Cape Town; Cape Town South Africa
5. Laboratoire d'Océanographie Physique et Spatiale (UBO, IRD; CNRS, Ifremer), IUEM; Plouzané France
6. ICEMASA, Department of Oceanography; University of Cape Town; Cape Town South Africa