This paper asks the simple question: How can we interpret vertical time series of middle atmosphere gravity wave measurements by ground-based temperature lidars? Linear wave theory is used to show that the association of identified phase lines with quasi-monochromatic waves should be considered with great care. The ambient mean wind has a substantial effect on the inclination of the detected phase lines. The lack of knowledge about the wind might lead to a misinterpretation of the vertical propagation direction of the observed gravity waves. In particular, numerical simulations of three archetypal atmospheric mountain wave regimes show a sensitivity of virtual lidar observations on the position relative to the mountain and on the scale of the mountain.


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    Title :

    On the Interpretation of Gravity Wave Measurements by Ground-Based Lidars


    Contributors:

    Published in:

    Publication date :

    2017



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    German




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