[1] Johns Hopkins Univ, Dept Environm Hlth & Engn, Baltimore, MD 21218 USA
[2] Stanford Univ, Stanford, CA 94305 USA
[3] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY USA
[4] Univ Texas Austin, Austin, TX 78712 USA
[5] Univ Tasmania, Hobart, Tas, Australia
[6] Georgia Inst Technol, Atlanta, GA 30332 USA
[7] Univ Michigan, Ann Arbor, MI 48109 USA
[8] NOAA, Pacific Marine Environm Lab, 7600 Sand Point Way Ne, Seattle, WA 98115 USA
[9] Univ Illinois, Chicago, IL USA
[10] Univ Rhode Isl, Narragansett, RI USA
[11] Purdue Univ, W Lafayette, IN 47907 USA
[12] Columbia Univ, New York, NY USA
[13] US Geol Survey, Golden, CO USA
[14] Australian Natl Univ, Canberra, ACT, Australia
[15] Max Planck Inst Meteorol, Hamburg, Germany
[16] Northwestern Univ, Evanston, IL USA
[17] Deutsch GeoForschungsZentrum, Potsdam, Germany
[18] Natl Ctr Atmospher Res UCAR, Boulder, CO USA
[19] Univ Calif Irvine, Irvine, CA USA
[20] Boston Univ, Boston, MA 02215 USA
[21] Lawrence Berkeley Natl Lab, Berkeley, CA USA
[22] Scripps Inst Oceanog, San Diego, CA USA
[23] CALTECH, Pasadena, CA 91125 USA
[24] Univ Washington, Seattle, WA 98195 USA
[25] Univ Reading, Reading, Berks, England
[26] Univ Calgary, Calgary, AB, Canada