Eric Apel and Alan Hills of the National Center for Atmospheric Research install the Trace Organic Gas Analyzer's sensor probe on the exterior of NASA's DC-8

Climate researchers from the National Center for Atmospheric Research (NCAR) and several universities install and perform functional checkouts of a variety of sensitive atmospheric instruments on NASA's DC-8 airborne laboratory prior to beginning the ARCTAS mission.

Climate researchers from the National Center for Atmospheric Research (NCAR) and several universities install and perform functional checkouts of a variety of sensitive atmospheric instruments on NASA's DC-8 airborne laboratory prior to beginning the ARCTAS mission.

Photographer NASA/Tony Landis
Location AFRC
Eric ApelAlan HillsNational Center for Atmospheric ResearchTrace Organic Gas Analyzer sensor probeArctic Research of the Composition of the Troposphere from AircrARCTASThree NASA research aircraftground stationsweather balloonsDC-8 flying laboratory21 experiments35 scientistsInternational Polar YearFairbanksAlaskaThuleGreenlandthick aerosol layersarctic hazeCold LakeAlbertaCanadaboreal forest firesnorthwest Canada