{"ob_id":1308,"uuid":"42cd8b9c2d59cb92e643064c78cda4c6","title":"Stratosphere-Troposphere Exchange Project (STEP): Airborne trace gas and aerosol measurements during flight 1 of the NASA ER-2 aircraft","abstract":"Data from flight 1 of 17 from the NASA/NOAA aircraft campaign based in Darwin, Australia in January and February 1987. Designed to investigate mechanisms of equatorial stratosphere-troposphere exchange. Measurements include trace gases and aerosol in cloud free and cloud dominated conditions. 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