Dr. Thomas Juul Pedersen, PhD¹, Tobias Reiner Vonnahme¹, Alenya Merz², John Mortensen¹, Kumiko Azetsu-Scott³, Marja Koski⁴, Else Ostermann¹ and Craig Lee⁵, (1)Greenland Institute of Natural Resources, Greenland Climate Research Centre, Nuuk, Greenland, (2)University of Groningen, Groningen, Netherlands, (3)Bedford Inst Oceanography, Dartmouth, NS, Canada, (4)National Institute of Aquatic Resources, Charlottenlund, Denmark, (5)University of Washington, Applied Physics Laboratory, Seattle, United States