A Subsonic Assessment (SASS) element of the overall Atmospheric Effects of Aviation Project (AEAP) was initiated by NASA to assess the atmospheric impact of subsonic aircraft. A scanning mirror pod attached to the DC-8 aircraft provides for scanning lidar observations ahead of the DC-8 and fixed-angle upward or downward observations. The objectives of the project are to map contrail/cloud vertical distributions ahead of DC-8; provide DC-8 guidance into enhanced scattering layers; document DC-8 flight path intersection of contrail and cloud geometries (in-situ measurement positions relative to cloud/contrail shape and an extension of in-situ measurements into the vertical-integrated contrail/cloud properties); analyze contrail/cloud radiative properties with LIRAD (combined lidar and radiometry) technique; evaluate mean particle sizes of aircraft emissions from two-wavelength observations; study contrail/cloud interactions, diffusion, and mass decay/growth; and make observations in the near-field of aircraft engine emissions. The scanning mirror pod may also provide a scanning capability for other remote sensing instruments.


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    Titel :

    DC-8 Scanning Lidar Characterization of Aircraft Contrails and Cirrus Clouds


    Beteiligte:
    N. B. Nielsen (Autor:in) / E. E. Uthe (Autor:in)

    Erscheinungsdatum :

    1996


    Format / Umfang :

    18 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





    Remote Sensing of Contrails and Aircraft Altered Cirrus Clouds

    Palikonda, R. et al. / France; Office national d'etudes et de recherches aerospatiales | British Library Conference Proceedings | 1996



    Contrails and Contrail Cirrus

    Mannstein, H. / Royal Aeronautical Society | British Library Conference Proceedings | 2006