Observational evidence for turbulent effects on total suspended matter within the Pearl River plume
Qiu, CH; Su, DY; Mao, HB; Wu, JX; Cui, YS; Wang, DX; wujiaxue@mail.sysu.edu.cn
2018
发表期刊CONTINENTAL SHELF RESEARCH
卷号151页码:15-22
摘要We observed the structure of the Pearl River plume and its turbulent characteristics, and investigated the turbulent effect on total suspended matter (TSM) within its "far-field" region, based on in situ and satellite data collected in June 2015. A significant northeastward plume was created under southern monsoonal conditions. The in situ data provided the width, depth, and velocity of the plume, as inferred by salinity. Weaker turbulence occurred at the front surface position than in the plume zone. Stronger turbulence induced greater turbidity in the bottom boundary layer; however, the surface mixed layer differed. By estimating the turbidity budget, we found the lateral fluxes term was the largest term in the plume, turbulent fluxes comprised the second largest term, and the settling terms comprised the smallest term. We quantified the turbulent mechanisms and found that stronger river discharge induced greater TSM turbidity. Tidal and buoyancy fluxes had minor regulatory effects on TSM. Our observations suggest that TSM in the "far field" region originated from the Pearl River and the coastal region.
部门归属[Qiu Chunhua; Su Danyi; Wu Jiaxue; Cui Yongsheng] Sun Yat Sen Univ, Sch Marine Sci, Ctr Coastal Ocean Sci & Technol, 135 Xin Gang Xi Rd, Guangzhou 510275, Guangdong, Peoples R China; [Qiu Chunhua; Su Danyi] Sun Yat Sen Univ, Sch Marine Sci, Guangdong Prov Key Lab Marine Resources & Coastal, Guangzhou 510275, Guangdong, Peoples R China; [Mao Huabin; Wang Dongxiao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
关键词Plume Total Suspended Matter Turbulence River Discharge Coastal Current Air-sea Interaction
学科领域Oceanography
资助项目LTO
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/17116
专题热带海洋环境国家重点实验室(LTO)
通讯作者wujiaxue@mail.sysu.edu.cn
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GB/T 7714
Qiu, CH,Su, DY,Mao, HB,et al. Observational evidence for turbulent effects on total suspended matter within the Pearl River plume[J]. CONTINENTAL SHELF RESEARCH,2018,151:15-22.
APA Qiu, CH.,Su, DY.,Mao, HB.,Wu, JX.,Cui, YS.,...&wujiaxue@mail.sysu.edu.cn.(2018).Observational evidence for turbulent effects on total suspended matter within the Pearl River plume.CONTINENTAL SHELF RESEARCH,151,15-22.
MLA Qiu, CH,et al."Observational evidence for turbulent effects on total suspended matter within the Pearl River plume".CONTINENTAL SHELF RESEARCH 151(2018):15-22.
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