Geochemical constraints on calcification rates determined from carbonate system measurements in the Drake Passage
David R Munro1, Nicole S Lovenduski2, Taro Takahashi3, Britton B Stephens4, Timothy Newberger5, Natalie M Freeman6 and Colm Sweeney5, (1)University of Colorado, Department of Atmospheric and Oceanic Sciences and Institute for Arctic and Alpine Research, Boulder, CO, United States, (2)University of Colorado, Boulder, CO, United States, (3)Columbia Univ, Palisades, NY, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States, (6)INSTAAR, Boulder, CO, United States