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    Air–Water Momentum Flux Observations over Shoaling waves

    Source: Journal of Physical Oceanography:;1996:;Volume( 026 ):;issue: 007::page 1344
    Author:
    Anctil, F.
    ,
    Donelan, M. A.
    DOI: 10.1175/1520-0485(1996)026<1344:AMFOOS>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: This paper drab, with simultaneous momentum flux observations from four towers placed at different depths along a shore-normal line at the west end of Lake Ontario, Canada. The towers were at nominal depths of 12, 8, 4, and 2 m, in order to study the influence of shoaling waves on the air-water momentum flux, namely, the effect of wave steepness and celerity on the aerodynamic roughness of the water surface. Analysis of the data have shown that the momentum fluxes cannot he explained by mean downwind speed alone (U10), in contrast to open ocean experiments in which the wave maturity is generally near full development. Surface roughness (z0), normalized on wave height (?), was parameterized by both the inverse wave age (U10/cp) and the root-mean-square wave slope (0), with excellent correlation in each case (r2 = 0.79). Multiple regression using both the inverse wave age and the root-mean-square slope lead to the best results: z0/? = 2.26(U10/cp)1.82?3.83; R2 = 0.90. These findings are presented as further proof, to other recent observations, that surface roughness is dependent on sea state.
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      Air–Water Momentum Flux Observations over Shoaling waves

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4165677
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    contributor authorAnctil, F.
    contributor authorDonelan, M. A.
    date accessioned2017-06-09T14:52:09Z
    date available2017-06-09T14:52:09Z
    date copyright1996/07/01
    date issued1996
    identifier issn0022-3670
    identifier otherams-28549.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4165677
    description abstractThis paper drab, with simultaneous momentum flux observations from four towers placed at different depths along a shore-normal line at the west end of Lake Ontario, Canada. The towers were at nominal depths of 12, 8, 4, and 2 m, in order to study the influence of shoaling waves on the air-water momentum flux, namely, the effect of wave steepness and celerity on the aerodynamic roughness of the water surface. Analysis of the data have shown that the momentum fluxes cannot he explained by mean downwind speed alone (U10), in contrast to open ocean experiments in which the wave maturity is generally near full development. Surface roughness (z0), normalized on wave height (?), was parameterized by both the inverse wave age (U10/cp) and the root-mean-square wave slope (0), with excellent correlation in each case (r2 = 0.79). Multiple regression using both the inverse wave age and the root-mean-square slope lead to the best results: z0/? = 2.26(U10/cp)1.82?3.83; R2 = 0.90. These findings are presented as further proof, to other recent observations, that surface roughness is dependent on sea state.
    publisherAmerican Meteorological Society
    titleAir–Water Momentum Flux Observations over Shoaling waves
    typeJournal Paper
    journal volume26
    journal issue7
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(1996)026<1344:AMFOOS>2.0.CO;2
    journal fristpage1344
    journal lastpage1353
    treeJournal of Physical Oceanography:;1996:;Volume( 026 ):;issue: 007
    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
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