Isabel Seguro¹, Ruth Airs², Ian Brown², Boris P Koch³, Guilherme A. Bortolotto⁴, Sarah Breimann², Natalia Osma⁵, Meredith Meyer⁶, Frederike Schmidt⁷, Glen Tarran², Andrew Paul Rees² and Carol Robinson⁸, (1)University of East Anglia, Centre for Ocean and Atmospheric Sciences, School of Environmental Sciences, Norwich, United Kingdom, (2)Plymouth Marine Laboratory, Plymouth, United Kingdom, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Ecological Chemistry, Bremerhaven, Germany, (4)Aberystwyth University, Aberystwyth, United Kingdom, (5)University of Antofagasta, Antofagasta, Chile, (6)University of East Anglia, Centre for Ocean and Atmospheric Science; School of Environmental Science, Norwich, United Kingdom, (7)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (8)University of East Anglia, School of Environmental Sciences, Norwich, United Kingdom