Technical University of Denmark , Charlottenlund, Denmark ( FRAM , PhD R. Goncalves Araujo ) Norwegian Polar Institute , Tromsö, Norway ( FRAM , PhD R. Goncalves Araujo ) ACRI-ST , Sophia Antippolis, Fr [...] Geesthacht (HZG), Center for Materials and Coastal Research, Geesthacht, Germany ( OCEANET , ACENMAP , FRAM ) Institute of Marine Sciences, Mediterranean Marine and Environmental Research Centre (ICM, CSIC)