On the unsteady decline of atmospheric CFC-11: Bumps in the road to ozone recovery or variations in atmospheric transport and/or loss?

Stephen A Montzka1, Geoffrey S Dutton2, Eric A Ray3, Fred L Moore4, Jon David Nance5, Brad David Hall1, Carolina Siso6, Benjamin R Miller7, Debra Jean Mondeel8, Lei Hu9 and James W Elkins5, (1)NOAA/ESRL GMD, Boulder, CO, United States, (2)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (3)NOAA Chemical Sciences Laboratory, Boulder, United States, (4)NOAA/ESRL, Boulder, CO, United States, (5)NOAA Boulder, Boulder, CO, United States, (6)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (7)University of Colorado at Boulder, CIRES, Boulder, CO, United States, (8)US Dept Commerce, Boulder, CO, United States, (9)NOAA, Global Monitoring Laboratory, Boulder, United States