Bottom Drag Coefficient on a Shallow Barrier Reef

Bottom Drag Coefficient on a Shallow Barrier Reef
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浅堡礁的底部阻力系数

DOI:
10.1029/2021gl097628
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发表时间:
2022
影响因子:
5.2
通讯作者:
F. Bouchette
F. Bouchette
中科院分区:
地球科学1区
文献类型:
--
作者:
D. Sous;S. Maticka;S. Meulé;F. Bouchette

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本文报道了在法属波利尼西亚Maupiti岛一个浅的、粗糙度变化的堡礁上进行的野外实验。利用深度平均动量平衡来估计底部阻力系数Cd,其变化范围为0.01 ~ 0.3,与深度和礁体结构有关。深度对Cd的影响可以通过对数依赖关系很好地预测,这在以前的实验室和现场观测中使用过。目前的结果将该方法扩展到具有更多波浪暴露和更高粗糙度-深度比的系统。此外,还讨论了高分辨率珊瑚礁地形与水动力参数之间的统计关系。
The present paper reports of a field experiment over a shallow, roughness‐varying barrier reef at Maupiti island, French Polynesia. The depth‐averaged momentum balance is used to estimate the bottom drag coefficient Cd, which varies from 0.01 to 0.3, with dependence on both depth and reef structure. The depth effect on Cd is well predicted by a log dependency, as used in previous laboratory and fields observations. The present results extend the approach to a system with more wave exposure and higher roughness‐to‐depth ratio. Additionally, the statistical relationship between high‐resolution reef topography and hydrodynamical parameters is discussed.
物理过程决定了宽阔礁滩上水温和停留时间的空间结构
DOI: 10.1029/2020jc016543
发表时间: 2020
期刊: Journal of Geophysical Research: Oceans
影响因子: --
作者:
Reid, E. C.;Lentz, S. J.;DeCarlo, T. M.;Cohen, A. L.;Davis, K. A.
通讯作者: Davis, K. A.
DOI: 10.1029/2018jc014859
发表时间: 2019-07
期刊: Journal of Geophysical Research: Oceans
影响因子: --
作者:
Melissa S. Duvall;James L. Hench;Johanna H. Rosman
通讯作者: Melissa S. Duvall;James L. Hench;Johanna H. Rosman