New Insights into the Column CH2O/NO2 Ratio as an Indicator of Near-surface Ozone Sensitivity

Jason Schroeder1, James H Crawford1, Alan Fried2 and Andrew John Weinheimer3, (1)NASA Langley Research Center, Hampton, VA, United States, (2)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, United States, (3)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States