Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO 80309 United States ; NOAA Earth System Research Laboratory (ESRL), Global Monitoring Division (GMD), 325 Broadway, R/GMD1, Boulder, CO 80305 United States
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO 80309 United States ; NOAA Earth System Research Laboratory (ESRL), Global Monitoring Division (GMD), 325 Broadway, R/GMD1, Boulder, CO 80305 United States
NOAA Earth System Research Laboratory (ESRL), Global Monitoring Division (GMD), 325 Broadway, R/GMD1, Boulder, CO 80305 United States
NOAA Earth System Research Laboratory (ESRL), Global Monitoring Division (GMD), 325 Broadway, R/GMD1, Boulder, CO 80305 United States
NOAA Earth System Research Laboratory (ESRL), Global Monitoring Division (GMD), 325 Broadway, R/GMD1, Boulder, CO 80305 United States