Transport Barriers and the Retention of Calanus finmarchicus on the Lofoten Shelf in Early Spring
文献类型：期刊论文
| 作者 | Dong, Huizi1; Zhou, Meng1; Hu, Ziyuan2; Zhang, Zhaoru1; Zhong, Yisen1; Basedow, Sunnje L.3; Smith, Walker O., Jr.1,4 |
| 刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
 |
| 出版日期 | 2021-08-01 |
| 卷号 | 126期号:8页码:18 |
| ISSN号 | 2169-9275 |
| 关键词 | transport barrier Calanus finmarchicus Lagrangian coherent structures remote sensing energy conversion rate |
| DOI | 10.1029/2021JC017408 |
| 通讯作者 | Zhou, Meng(meng.zhou@sjtu.edu.cn) |
| 英文摘要 | Large aggregations of the copepod Calanus finmarchicus occur each spring in the shelf-slope-oceanic regions off the Lofoten-Vesteralen Islands where productive fisheries have traditionally supported local economies. The retention and off-shelf transport of populations of C. finmarchicus populations were studied by analyzing ocean color remote sensing, satellite altimetry data, and Lagrangian Coherent Structures (LCS) between 2010 and 2019. Our analysis revealed the existence of a transport barrier reoccurring at the shelf break that retains C. finmarchicus on the shelf for 30-70 days in the spring when C. finmarchicus were seasonally ascending to the surface layer. The analysis of baroclinic and barotropic energy conversions indicated that the topographically steered Norwegian Atlantic Current is the primary mechanism in the formation of the transport barrier, which restricts exchanges of C. finmarchicus populations between shelf and oceanic waters. In the mid- to late April, an increase in baroclinicity leads to an increase in mesoscale eddies generated on the shelf break near Lofoten-Vesteralen Islands, breaking down transport barriers and causing off-shelf transport of C. finmarchicus. The transport barrier predictably reoccurs in early spring which supports the entrapment of C. finmarchicus in the shelf region. |
| 资助项目 | Sino-Norway Collaborative STRESSOR Project - Natural Science Foundation of China[41861134040] ; Research Council of Norway (RCN)[287043] ; NSFC Special Program[41941008] |
| WOS研究方向 | Oceanography |
| 语种 | 英语 |
| 出版者 | AMER GEOPHYSICAL UNION |
| WOS记录号 | WOS:000690758000035 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/176200]  |
| 专题 | 海洋研究所_胶州湾海洋生态系统国家野外研究站 |
| 通讯作者 | Zhou, Meng |
| 作者单位 | 1.Shanghai Jiao Tong Univ, Sch Oceanog, Shanghai, Peoples R China 2.Chinese Acad Sci, Jiaozhou Bay Natl Marine Ecosyst Res Stn, Inst Oceanol, Qingdao, Peoples R China 3.UiT Arctic Univ Norway, Dept Arctic & Marine Biol, Tromso, Norway 4.William & Mary, Virginia Inst Marine Sci, Gloucester Point, VA USA |
| 推荐引用方式 GB/T 7714 | Dong, Huizi,Zhou, Meng,Hu, Ziyuan,et al. Transport Barriers and the Retention of Calanus finmarchicus on the Lofoten Shelf in Early Spring[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2021,126(8):18. |
| APA | Dong, Huizi.,Zhou, Meng.,Hu, Ziyuan.,Zhang, Zhaoru.,Zhong, Yisen.,...&Smith, Walker O., Jr..(2021).Transport Barriers and the Retention of Calanus finmarchicus on the Lofoten Shelf in Early Spring.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,126(8),18. |
| MLA | Dong, Huizi,et al."Transport Barriers and the Retention of Calanus finmarchicus on the Lofoten Shelf in Early Spring".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 126.8(2021):18. |
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来源：海洋研究所
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