Volcanic ash stimulation of marine primary production in the northeastern subarctic Pacific over the past 200 years

Marius Orehovschi1, Bess G Koffman2, Erich C Osterberg3, Dominic Winski3, David G Ferris3, David Polashenski4, Karen Stamieszkin5, Karl J Kreutz6, Cameron P Wake7 and Seth W Campbell6, (1)Colby College, Waterville, ME, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, (4)Dartmouth College, Hanover, NH, United States, (5)University of Maine, Orono, ME, United States, (6)University of Maine, School of Earth and Climate Sciences, Orono, ME, United States, (7)Univ New Hampshire, Durham, NH, United States