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Cross-shelf exchange in the shelf of the East China Sea
Zhou, Feng; Xue, Huijie; Huang, Daji; Xuan, Jiliang; Ni, Xiaobo; Xiu, Peng; Hao, Qiang; zhoufeng@sio.org.cn
2015
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
Volume120Issue:3Pages:1545-1572
Subtype2169-9275
AbstractA high-resolution, 3-dimensional primitive equation model is used to investigate the cross-shelf exchange in the East China Sea (ECS). Favorable comparisons between field data and model simulations from both climatological run and hindcast run for 2006 indicate that the model has essential skills in capturing the key physics of the ECS. Temporal and spatial variations of the cross-shelf exchanges are further analyzed. It was demonstrated from both observations and simulations that in 2006 high saline water could be delivered to the north of the Changjiang River mouth (near 32 degrees N) as a result of stronger than typical cross-shelf exchanges at the shelf break and flows through the Taiwan Strait with an annual mean rate of 2.59 and 1.83 Sv, respectively. A few new places at the shelf break were also identified where persistent and vigorous onshore or offshore exchanges occur throughout the year. Cross-shelf exchange is largely determined by the along-shelf geostrophic balance with weak seasonality, which is modulated in upper layers by northeasterly monsoon from early-fall to late-spring and at seabed by bottom friction during December-January, May, and August-September. Nonlinear effect, with strong spatial variations and intraseasonal variability, is a secondary but persistent contributor to the net seaward transport, except for northeast of Taiwan where the nonlinear effect becomes significant but more varied.
Department[Zhou, Feng; Huang, Daji; Xuan, Jiliang; Ni, Xiaobo; Hao, Qiang] State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China; [Zhou, Feng; Huang, Daji] Zhejiang Univ, Ocean Coll, Hangzhou 310003, Zhejiang, Peoples R China; [Xue, Huijie] Univ Maine, Sch Marine Sci, Orono, ME USA; [Xue, Huijie; Xiu, Peng] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China ; LTO
KeywordCross-shelf Exchange East China Sea Roms
Subject AreaOceanography
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15110
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorzhoufeng@sio.org.cn
Recommended Citation
GB/T 7714
Zhou, Feng,Xue, Huijie,Huang, Daji,et al. Cross-shelf exchange in the shelf of the East China Sea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2015,120(3):1545-1572.
APA Zhou, Feng.,Xue, Huijie.,Huang, Daji.,Xuan, Jiliang.,Ni, Xiaobo.,...&zhoufeng@sio.org.cn.(2015).Cross-shelf exchange in the shelf of the East China Sea.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,120(3),1545-1572.
MLA Zhou, Feng,et al."Cross-shelf exchange in the shelf of the East China Sea".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 120.3(2015):1545-1572.
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