| Summary: | One component of the second Arctic Gas and Aerosol Sampling Program conducted in March and April 1986 was supported with an instrumented NOAA WP-3D atmospheric research aircraft, which was used to conduct measurements of wind, temperature, ozone, water vapor, the concentration of condensation nuclei, and aerosol scattering extinction coefficient in order to determine the locations and properties of haze layers. The WP-3D flights consisted of three missions north of Alaska and three in the Canadian Arctic near Alert. This paper describes the NOAA WP-3D aircraft; the meteorological, gas, and aerosol sampling systems utilized; and the flight operations of the six WP-3D flights.
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