Department of Physics, Portland State University, PO Box 751, Portland, OR 97207 United States ; Joint Institute for the Study of the Atmosphere and Ocean, University of Washington, 4909 25th Ave NE, Seattle, WA 98195 United States
Department of Chemistry, University of Washington, Box 351700, Seattle, WA 98195 United States
Program on the Environment, University of Washington, 274 Mary Gates Hall, Box 352802, Seattle, WA 98195 United States
Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA 98115 United States