1. a Plymouth Marine Laboratory , Prospect Place , Plymouth, Devon , PL1 3DH , UK
2. b Centre for Observation of Air‐Sea Interactions & fluXes (CASIX) Plymouth Marine Laboratory, Prospect Place, Plymouth, Devon, PL1 3DH
3. c School of Earth, Ocean and Enviromental Sciences, University of Plymouth , Plymouth, Devon , UK
4. d Marine & Coastal Management , Private Bag X2, Rogge Bay 8012, Cape Town , South Africa
5. e University of Cape Town , Department of Oceanography , Private Bag, Rondebosch 7700, Cape Town , South Africa
6. f Laboratoire d'Océanographie de Villefranche , B.P. 08, 06238, Villefranche‐sur‐Mer , France