John B Miller¹, Sourish Basu^1,2, Michael Trudeau^1,2, Luciana Gatti³, Lucas G Domingues³, Merritt N Deeter⁴ and Jean-Francois Muller⁵, (1)NOAA/ESRL Global Monitoring Division, Boulder, CO, United States, (2)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (3)INPE National Institute for Space Research, CCST, Sao Jose dos Campos, Brazil, (4)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, (5)Belgian Institute for Space Aeronomy, Brussels, Belgium