Interpretation and design of ocean acidification experiments in upwelling systems in the context of carbonate chemistry co-variation with temperature and oxygen

Jonathan C. P. Reum1*‡, Simone R. Alin2, Chris J. Harvey1, Nina Bednarsek2, Wiley Evans2,3, Richard A. Feely2, Burke Hales4, Noelle Lucey5, Jeremy T. Mathis2,3, Paul McElhany1, Jan Newton6, and Christopher L. Sabine2 Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 2725 Montlake Blvd. E, Seattle, WA 98112, USA Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA 98115, USA OceanAcidification Research Center, School of Fisheries andOcean Sciences, University of Alaska Fairbanks, 245O’Neill Bldg, Fairbanks, AK 99775, USA College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA Marine Environment and Sustainable Development Unit ENEA, PO Box 224, La Spezia, Italy Applied Physics Laboratory, University of Washington, Box 355640, Seattle, WA 98105, USA *Corresponding author: tel: +1 206 860 3204; fax: +1 206 860 3217; e-mail: jonathan.reum@noaa.gov Present address: Washington Sea Grant, University of Washington, Box 355640, Seattle, WA, USA