The authors thank Dr. Brian Eder, NOAA/ARL/AMD in Research Triangle Park, North Carolina, and Dr. Richard Cohn, Constella Health Sciences Team, Constella Group, Inc., Durham, North Carolina, for their input regarding the adaptation of their spatial analysis research. We also thank Dr. Christian Hogrefe, Atmospheric Sciences Research Center, University at Albany, for his assistance in preparing the ozone data for synoptic analysis. The research presented here was performed under the Memorandum of Understanding between the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Commerce’s National Oceanic and Atmospheric Administration (NOAA) and under agreement number DW13921548. This work constitutes a contribution to the NOAA Air Quality and Global Climate Programs. Although it has been reviewed by EPA and NOAA and approved for publication, it does not necessarily reflect their policies or views.
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