What can surface measurements of long-lived trace gases tell us about interannual variability in UTLS transport?
Eric A Ray1, John S Daniel1, Stephen A Montzka2, Robert W Portmann3, Pengfei Yu4, Karen Hepler Rosenlof5 and Fred L Moore6, (1)NOAA Chemical Sciences Laboratory, Boulder, United States, (2)NOAA Boulder, Global Monitoring Laboratory, Boulder, CO, United States, (3)Retired, Chemical Sciences Laboratory, Boulder, United States, (4)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (5)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (6)Cooperative Institute for Research in Environmental Sciences, Boulder, United States