Mar Benavides¹, Arthur Coët², Marta Sebastián³, Angela Vogts⁴, Oliver Flanagan⁵, Maeve C Lohan⁶, Ruth Hawley⁷, Joanne Hopkins¹ and Claire Mahaffey⁸, (1)National Oceanography Centre, Southampton, United Kingdom, (2)Aix-Marseille University, Marseille, France, Marseille, France, (3)Institut de Ciències del Mar, CSIC, Barcelona, Spain, (4)Leibniz Institute for Baltic Sea Research, Rostock, Germany, (5)University of Southampton, Southampton, SO14, United Kingdom, (6)University of Southampton, Ocean and Earth Sciences, National Oceanography Centre, Southampton, United Kingdom, (7)University of Southampton, Southampton, United Kingdom, (8)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom