Numerical study on salinity stratification in the Pamlico River Estuary
Xu, HZ; Lin, J; Wang, DX; jlin3@ncsu.edu
2008
发表期刊ESTUARINE COASTAL AND SHELF SCIENCE
ISSN0272-7714
卷号80期号:1页码:74-84
摘要The variations of current circulation, salt intrusion, and vertical stratification under different river flow and wind conditions in the Pamlico River Estuary (PRE) were investigated in this paper using a three-dimensional numerical model. The model was calibrated and verified against water level variation, temperature, and salinity variations during 2003 and 2001, respectively. Eight sensitivity tests were conducted with different river flow and wind conditions specified in the model. Model results show that salinity intruded further upstream under scenarios with low flow, downriver local wind, and remote-wind-caused water level set-up conditions. In contrast, the responses of salinity stratification to different environmental forcing functions were different in different portions of the estuary. Salinity stratification was enhanced under high flow condition at the lower part of the estuary, under upriver wind near the river mouth, under downriver wind at the upstream to middle portion of the estuary, and under remote-wind-caused water level set-up condition at the majority of the estuary except near the river mouth. Model results also show that across-channel wind tended to reduce salt intrusion and salinity stratification in the PRE through increased vertical mixing. (C) 2008 Elsevier Ltd. All rights reserved.
部门归属[Xu, Hongzhou; Lin, Jing] N Carolina State Univ, Dept Marine Earth & Atmospher Sci, Raleigh, NC 27695 USA; [Xu, Hongzhou; Lin, Jing] E China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China; [Xu, Hongzhou; Wang, Dongxiao] Chinese Acad Sci, S China Sea Inst Oceanol, LED, Guangzhou 510301, Guangdong, Peoples R China
关键词Salinity Stratification Estuarine Circulation Wind River Discharge Pamlico River Estuary
学科领域Marine & Freshwater Biology ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000260696000010
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5937
专题热带海洋环境国家重点实验室(LTO)
通讯作者jlin3@ncsu.edu
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GB/T 7714
Xu, HZ,Lin, J,Wang, DX,et al. Numerical study on salinity stratification in the Pamlico River Estuary[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2008,80(1):74-84.
APA Xu, HZ,Lin, J,Wang, DX,&jlin3@ncsu.edu.(2008).Numerical study on salinity stratification in the Pamlico River Estuary.ESTUARINE COASTAL AND SHELF SCIENCE,80(1),74-84.
MLA Xu, HZ,et al."Numerical study on salinity stratification in the Pamlico River Estuary".ESTUARINE COASTAL AND SHELF SCIENCE 80.1(2008):74-84.
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