Spatial Scales of Stress-Carrying Nearshore Turbulence

JOHN TROWBRIDGE; STEVE ELGAR

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Spatial Scales of Stress-Carrying Nearshore Turbulence

机译：应力传递近岸湍流的空间尺度

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Measurements from a horizontal array of velocity sensors indicate that the alongshore scales of turbulence contributing to the near-bottom Reynolds stress just seaward of the surf zone on an ocean beach range from 0 to approximately 4 times the height of the measurements above the seafloor, with shorter scales during stable stratification than during neutral or unstable stratification. The dependence of alongshore turbulence scales on the stratification, Reynolds stress, and height above the bottom is consistent with semiempirical results from the atmospheric surface layer, implying similar dynamics of near-boundary turbulence in the atmosphere and the shallow coastal ocean.

机译：水平速度传感器阵列的测量结果表明，沿近海雷诺应力的近岸湍流尺度正好位于海滩上冲浪区的向海范围，范围是海平面以上测量高度的0到大约4倍，稳定分层过程中的水垢比中性或不稳定分层过程中的水垢短。沿岸湍流尺度对分层，雷诺应力和底部上方高度的依赖性与大气表层的半经验结果一致，这意味着大气层和浅海中近边界湍流的动态相似。

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《Journal of Physical Oceanography》 |2003年第5期|p.1122-1128|共7页
作者
JOHN TROWBRIDGE; STEVE ELGAR;
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Woods Hole Oceanographic Institution, Woods Hole. MA 02543;

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正文语种 eng
中图分类海洋学;
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Spatial Scales of Stress-Carrying Nearshore Turbulence

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