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    Internal Waves in the Arctic Ocean: Comparison with Lower-Latitude Observations

    Source: Journal of Physical Oceanography:;1985:;Volume( 015 ):;issue: 006::page 800
    Author:
    Levine, Murray D.
    ,
    Paulson, Clayton A.
    ,
    Morison, James H.
    DOI: 10.1175/1520-0485(1985)015<0800:IWITAO>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A thermistor chain was moored below the pack ice from 50?150 m in the Arctic Ocean for five days in 1981. Oscillations in temperature are attributed to the vertical dispalcement of internal waves. The spectral shape of isotherm dispalcement is consistent with the Garrett-Munk model and other internal wave observations, but the spectral level is significantly lower. Other observations from the Arctic Ocean also exhibit lower internal-wave energy when compared with historical data from lower latitudes. The lower energy may be related to the unique generation and dissipation mechanisms present in the ice-covered Arctic Ocean. Significant peaks in vertical coherence occur at 0.81 and 2.6 cph. The peak at 2.6 cph coincides approximately with the high-frequency spectral cutoff near the local buoyancy frequency; this feature has been observed in many other internal wave experiments. The coherent oscillations at 0.81 cph exhibit a node in vertical dispalcement at 75?100 m. This is consistent with either the second, third or fourth vertical mode calculated from the mean buoyancy frequency profile. Evidence is presented which suggests that, contrary to the Garrett-Munk model, the frequency spectrum does not scale with the Coriolis parameter.
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      Internal Waves in the Arctic Ocean: Comparison with Lower-Latitude Observations

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4163787
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    contributor authorLevine, Murray D.
    contributor authorPaulson, Clayton A.
    contributor authorMorison, James H.
    date accessioned2017-06-09T14:47:28Z
    date available2017-06-09T14:47:28Z
    date copyright1985/06/01
    date issued1985
    identifier issn0022-3670
    identifier otherams-26848.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4163787
    description abstractA thermistor chain was moored below the pack ice from 50?150 m in the Arctic Ocean for five days in 1981. Oscillations in temperature are attributed to the vertical dispalcement of internal waves. The spectral shape of isotherm dispalcement is consistent with the Garrett-Munk model and other internal wave observations, but the spectral level is significantly lower. Other observations from the Arctic Ocean also exhibit lower internal-wave energy when compared with historical data from lower latitudes. The lower energy may be related to the unique generation and dissipation mechanisms present in the ice-covered Arctic Ocean. Significant peaks in vertical coherence occur at 0.81 and 2.6 cph. The peak at 2.6 cph coincides approximately with the high-frequency spectral cutoff near the local buoyancy frequency; this feature has been observed in many other internal wave experiments. The coherent oscillations at 0.81 cph exhibit a node in vertical dispalcement at 75?100 m. This is consistent with either the second, third or fourth vertical mode calculated from the mean buoyancy frequency profile. Evidence is presented which suggests that, contrary to the Garrett-Munk model, the frequency spectrum does not scale with the Coriolis parameter.
    publisherAmerican Meteorological Society
    titleInternal Waves in the Arctic Ocean: Comparison with Lower-Latitude Observations
    typeJournal Paper
    journal volume15
    journal issue6
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/1520-0485(1985)015<0800:IWITAO>2.0.CO;2
    journal fristpage800
    journal lastpage809
    treeJournal of Physical Oceanography:;1985:;Volume( 015 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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