Exploration of Tidal-Fluvial Interaction in the Columbia River Estuary Using S_TIDE

doi:10.1029/2018JC014146

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋环流与波动重点实验室

	Exploration of Tidal-Fluvial Interaction in the Columbia River Estuary Using S_TIDE
	Pan, Haidong 1,2; Lv, Xianqing 1,2; Wang, Yingying 1,2; Matte, Pascal 3; Chen, Haibo 2,4; Jin, Guangzhen 1,5
刊名	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
	2018-09-01
卷号	123 期号:9 页码:6598-6619
关键词	river tides nonstationary tides tidal analysis tidal-fluvial interaction method S_TIDE
ISSN号	2169-9275
DOI	10.1029/2018JC014146
通讯作者	Lv, Xianqing(xqinglv@ouc.edu.cn) ; Chen, Haibo(chenhb2015@qdio.ac.cn)
英文摘要	Plain Language Summary Numerous tidal phenomena, including river tides, internal tides, and tides in ice-covered bay, are nonstationary, which pose a great challenge for traditional tidal analysis methods. Based on the independent point scheme and cubic spline interpolation, a new approach, namely the enhanced harmonic analysis, is developed to deal with nonstationary tides. A MATLAB toolbox, S_TIDE, developed from the widely used T_TIDE, is used to realize the approach. The efficiency of S_TIDE is validated by analyzing a set of hourly water level observations from stations on the lower Columbia River. In all stations, the hindcast of S_TIDE is more accurate than NS_TIDE that is a powerful nonstationary tidal analysis tool adapted to river tides. The changing mean water level and tidal constituent properties obtained by S_TIDE are similar to those obtained by NS_TIDE, continuous wavelet transform, and empirical mode decomposition and highly consistent with theory on river tides. Moreover, different from NS_TIDE that only can be applied to river tides, enhanced harmonic analysis is free of dynamic content, assuming only known tidal frequencies. Therefore, S_TIDE can be applied to all kinds of nonstationary tides theoretically. Though powerful, S_TIDE also has some limitations: S_TIDE cannot be used for prediction and too many independent points in S_TIDE may induce computational memory overflow and unrealistic results. Based on the independent point scheme and cubic spline interpolation, a new approach, enhanced harmonic analysis, was developed to deal with nonstationary tides. Enhanced harmonic analysis is realized by a MATLAB toolbox, S_TIDE, which is developed from the widely used T_TIDE. S_TIDE assumes only known tidal frequencies and theoretically can be applied to all kinds of nonstationary tides and stationary tides. In this study, S_TIDE is applied to analyzing records of river rides that is one of the simplest kinds of nonstationary tides for which ample data are available. The method is compared with other methods to show its efficiency.
资助项目	National Key Research and Development[2016YFC1402304] ; National Natural Science Foundation of China[41606006] ; Key Research and Development Plan of Shandong Province[2016ZDJS09A02] ; Fundamental Research Funds for the Central Universities
WOS研究方向	Oceanography
语种	英语
出版者	AMER GEOPHYSICAL UNION
WOS记录号	WOS:000447552600033
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/160423]
专题	海洋研究所_海洋环流与波动重点实验室
通讯作者	Lv, Xianqing; Chen, Haibo
作者单位	1.Ocean Univ China, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Key Lab Phys Oceanog, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China 3.Environm & Climate Change Canada, Meteorol Res Div, Quebec City, PQ, Canada 4.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 5.Sun Yat Sen Univ, Sch Marine Sci, Key Lab Marine Resources & Coastal Engn Guangdong, Guangzhou, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Pan, Haidong,Lv, Xianqing,Wang, Yingying,et al. Exploration of Tidal-Fluvial Interaction in the Columbia River Estuary Using S_TIDE[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(9):6598-6619.
APA	Pan, Haidong,Lv, Xianqing,Wang, Yingying,Matte, Pascal,Chen, Haibo,&Jin, Guangzhen.(2018).Exploration of Tidal-Fluvial Interaction in the Columbia River Estuary Using S_TIDE.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(9),6598-6619.
MLA	Pan, Haidong,et al."Exploration of Tidal-Fluvial Interaction in the Columbia River Estuary Using S_TIDE".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.9(2018):6598-6619.