Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL093773 |
Bottom mixing enhanced by tropical storm-generated near-inertial waves entering critical layers in the Straits of Florida | |
Lixin Qu; Leif Thomas; Jonathan Gula | |
2021-07-26 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | Tropical storms and hurricanes frequently pass over the Straits of Florida, energizing the near-inertial wave (NIW) field in the strait. Two ship-based surveys, which were launched shortly after storms, observed velocity shear bands over the western slope of the strait – clear signatures of NIWs. Also, the hydrographic measurements demonstrate the formation of a slantwise critical layer (where isopycnals are parallel with bathymetry) over the western slope, which is known to be a trapping zone for NIWs. A realistic simulation of the Straits confirms the emergence of NIWs under a tropical storm, which is accompanied by inertially-modulated bottom enhanced mixing over the western slope. The mechanism driving the mixing is that the storm-generated NIWs radiate downward from the core of the Florida Current, reflect off the eastern slope, and enter the slantwise critical layer over the western slope; upon entering, wave trapping and amplification lead to the enhanced mixing. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/335423 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Lixin Qu,Leif Thomas,Jonathan Gula. Bottom mixing enhanced by tropical storm-generated near-inertial waves entering critical layers in the Straits of Florida[J]. Geophysical Research Letters,2021. |
APA | Lixin Qu,Leif Thomas,&Jonathan Gula.(2021).Bottom mixing enhanced by tropical storm-generated near-inertial waves entering critical layers in the Straits of Florida.Geophysical Research Letters. |
MLA | Lixin Qu,et al."Bottom mixing enhanced by tropical storm-generated near-inertial waves entering critical layers in the Straits of Florida".Geophysical Research Letters (2021). |
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