Affiliation: | NOAA, Climate Monitoring and Diagnostics Laboratory, R/E/CG1, 325 Broadway, Boulder, Colorado 80303–3328, USA;, AES Environment Canada, 4905 Dufferin Street, Downsview, Ontario, Canada M3H-5T4,; Mauna Loa Observatory, Box 275, Hilo, Hawaii 96720, USA;, Geophysical Institute, University of Alaska, 99701, USA;and CIRES, University of Colorado, Boulder, Colorado 80309–0216, USA |