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    Doppler Radar Observation of Wind Structure in Snow

    Source: Journal of Applied Meteorology:;1971:;volume( 010 ):;issue: 002::page 228
    Author:
    Boucher, Roland J.
    ,
    Ottersten, Hans
    DOI: 10.1175/1520-0450(1971)010<0228:DROOWS>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: Sinusoidal variations in the longitudinal speed of the wind in the planetary boundary layer are observed with a C-band multiple-gate Doppler radar using snow as a wind tracer. These undulations in the horizontal wind are believed to be orographically generated wave phenomena. The observed wind structures have average scale lengths of 300 m and their amplitude decreases with altitude. The propagation speeds of the, wind structures have been determined with a spatial correlation technique and have, at times, been found to depart appreciably from the mean ambient wind. Under stable atmospheric conditions the wind structures persist for a considerable period. In one extreme case the structures preserved identifiable characteristics during advection over a distance of 9 km. This remarkable persistence resulted in a Lagrangian-Eulerian time-scale ratio of 45.
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      Doppler Radar Observation of Wind Structure in Snow

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4224256
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    • Journal of Applied Meteorology

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    contributor authorBoucher, Roland J.
    contributor authorOttersten, Hans
    date accessioned2017-06-09T17:13:12Z
    date available2017-06-09T17:13:12Z
    date copyright1971/04/01
    date issued1971
    identifier issn0021-8952
    identifier otherams-8127.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4224256
    description abstractSinusoidal variations in the longitudinal speed of the wind in the planetary boundary layer are observed with a C-band multiple-gate Doppler radar using snow as a wind tracer. These undulations in the horizontal wind are believed to be orographically generated wave phenomena. The observed wind structures have average scale lengths of 300 m and their amplitude decreases with altitude. The propagation speeds of the, wind structures have been determined with a spatial correlation technique and have, at times, been found to depart appreciably from the mean ambient wind. Under stable atmospheric conditions the wind structures persist for a considerable period. In one extreme case the structures preserved identifiable characteristics during advection over a distance of 9 km. This remarkable persistence resulted in a Lagrangian-Eulerian time-scale ratio of 45.
    publisherAmerican Meteorological Society
    titleDoppler Radar Observation of Wind Structure in Snow
    typeJournal Paper
    journal volume10
    journal issue2
    journal titleJournal of Applied Meteorology
    identifier doi10.1175/1520-0450(1971)010<0228:DROOWS>2.0.CO;2
    journal fristpage228
    journal lastpage233
    treeJournal of Applied Meteorology:;1971:;volume( 010 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian