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Modeled (colored lines) and observed (black lines) CH4 enhancements along the flight track on 20131028: (a) models using different transport and dispersion and (b) models using identical meteorological fields (WRF) and different dispersion. The light pink line indicates the values when WRF-Chem is sampled 200 m below the aircraft altitude. WRF-HYSPLIT (dark blue) is included in both plots for a reference point. Local time is Central Daylight Time.
