The Asymmetric Continental Shelf Wave in Response to the Synoptic Wind Burst in a Semienclosed Double-Shelf Basin | |
Qu, Lixin1; Lin, Xiaopei2,3; Hetland, Robert D.1; Guo, Jingsong4 | |
刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS |
2018-01 | |
卷号 | 123期号:1页码:131-148 |
关键词 | double-shelf shelf wave asymmetric response potential vorticity topographic wave guide |
ISSN号 | 2169-9275 |
DOI | 10.1002/2017JC013025 |
英文摘要 | The primary goal of this study is to investigate the asymmetric structure of continental shelf wave in a semienclosed double-shelf basin, such as the Yellow Sea. Supported by in situ observations and realistic numerical simulations, it is found that in the Yellow Sea, the shelf wave response to the synoptic wind forcing does not match the mathematically symmetric solution of classic double-shelf wave theory, but rather exhibits a westward shift. To study the formation mechanism of this asymmetric structure, an idealized model was used and two sets of experiments were conducted. The results confirm that the asymmetric structure is due to the existence of a topographic waveguide connecting both shelves. For a semienclosed basin, such as the Yellow Sea, a connection at the end of the basin eliminates the potential vorticity barrier between the two shelves and hence plays a role as a connecting waveguide for shelf waves. This waveguide enables the shelf wave to propagate from one shelf to the other shelf and produces the asymmetric response in sea level and upwind flow evolutions. |
资助项目 | Qingdao National Laboratory for Marine Science and Technology[2015ASKJ01] |
WOS研究方向 | Oceanography |
语种 | 英语 |
出版者 | AMER GEOPHYSICAL UNION |
WOS记录号 | WOS:000425589800009 |
内容类型 | 期刊论文 |
源URL | [http://ir.fio.com.cn/handle/2SI8HI0U/2997] |
专题 | 业务部门_海洋环境与数值模拟研究室 |
作者单位 | 1.Texas A&M Univ, Dept Oceanog, College Stn, TX 77843 USA; 2.Ocean Univ China, CIMST, Phys Oceanog Lab, Qingdao, Peoples R China; 3.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China; 4.State Ocean Adm, First Inst Oceanog, Key Lab Marine Sci & Numer Modeling, Qingdao, Peoples R China |
推荐引用方式 GB/T 7714 | Qu, Lixin,Lin, Xiaopei,Hetland, Robert D.,et al. The Asymmetric Continental Shelf Wave in Response to the Synoptic Wind Burst in a Semienclosed Double-Shelf Basin[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(1):131-148. |
APA | Qu, Lixin,Lin, Xiaopei,Hetland, Robert D.,&Guo, Jingsong.(2018).The Asymmetric Continental Shelf Wave in Response to the Synoptic Wind Burst in a Semienclosed Double-Shelf Basin.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(1),131-148. |
MLA | Qu, Lixin,et al."The Asymmetric Continental Shelf Wave in Response to the Synoptic Wind Burst in a Semienclosed Double-Shelf Basin".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.1(2018):131-148. |
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