N Cycling in the Eastern Canadian Arctic: Constraints from Dual Isotope Measurements in Nitrate and Nitrous Oxide

Nadine Lehmann1, Markus Kienast1, Julie Granger2, Annie Bourbonnais3, Mark A Altabet4 and Jean-Eric Tremblay5, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)University of Connecticut, Marine Sciences, Groton, United States, (3)University of South Carolina, School of Earth, Ocean, and Environment, Columbia, United States, (4)University of Massachusetts Dartmouth, New Bedford, United States, (5)Laval University, Biology, Quebec City, QC, Canada
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