The report summarizes that literature review, discussing sound divergence, atmospheric absorption, attenuation due to intervening hills and heavily wooded areas, soft-ground attenuation, and the acoustical descriptors that are of potential concern to the Park Service as the aircraft flies by. Finally, the report concludes with a summary of the effect of aircraft altitude upon sound levels on the ground, taking all these factors into account. Included in the summary is a discussion of the potential acoustical effectiveness of using altitude as a mitigation measure for any adverse effects of aircraft sound within the National Park System.


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    Titel :

    Aircraft Overflight Study. Effect of Aircraft Altitude upon Sound Levels at the Ground


    Beteiligte:
    G. S. Anderson (Autor:in) / R. D. Horonjeff (Autor:in)

    Erscheinungsdatum :

    1992


    Format / Umfang :

    106 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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