Benjamin Richaud¹, Katja Fennel¹, Eric Oliver¹, Mike DeGranpre², Timothee Bourgeois¹, Youyu Lu³ and Xianmin Hu⁴, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)University of Montana, Dept. of Chemistry and Biochemistry, Missoula, MT, United States, (3)Bedford Inst of Oceanography, Dartmouth, NS, Canada, (4)University of Alberta, Edmonton, AB, Canada