We report airborne measurements of the column abundance of atmospheric methane made over an altitude range of 3-11 km using a direct detection IPDA lidar with a pulsed laser emitting at 1651 nm. The laser transmitter was a tunable, seeded optical parametric amplifier (OPA) pumped by a Nd:YAG laser and the receiver used a photomultiplier detector and photon counting electronics. The results follow the expected changes with aircraft altitude and the measured line shapes and optical depths show good agreement with theoretical calculations.


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    Titel :

    Airborne Measurements of Atmospheric Methane Column Abundance Made Using a Pulsed IPDA Lidar


    Beteiligte:
    H. Riris (Autor:in) / K. Numata (Autor:in) / S. Li (Autor:in) / S. Wu (Autor:in) / A. Ramanathan (Autor:in)

    Erscheinungsdatum :

    2012


    Format / Umfang :

    19 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch