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Summer (June-August) 2011 average column HCHO in units of molecules/cm2, from OMI-SAO and OMI-QA4ECV (top row), as calculated using the NATA configuration using the OMI-SAO and QA4ECV averaging kernels (middle row), and as calculated using the UW configuration using the OMI-SAO and OMI-QA4ECV averaging kernels (bottom row).
