Wavelet analysis of coastal-trapped waves along the China coast generated by winter storms in 2008

LI Junyi; ZHENG Quanan; HU Jianyu; FAN Zhenhua; ZHU Jia; CHEN Tao; ZHU Benlu; XU Ying

doi:10.1007/s13131-015-0701-0

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Article Navigation > Acta Oceanologica Sinica > 2015 > 34(11): 22-31

LI Junyi, ZHENG Quanan, HU Jianyu, FAN Zhenhua, ZHU Jia, CHEN Tao, ZHU Benlu, XU Ying. Wavelet analysis of coastal-trapped waves along the China coast generated by winter storms in 2008[J]. Acta Oceanologica Sinica, 2015, 34(11): 22-31. doi: 10.1007/s13131-015-0701-0

Citation:

LI Junyi, ZHENG Quanan, HU Jianyu, FAN Zhenhua, ZHU Jia, CHEN Tao, ZHU Benlu, XU Ying. Wavelet analysis of coastal-trapped waves along the China coast generated by winter storms in 2008[J]. Acta Oceanologica Sinica, 2015, 34(11): 22-31. doi: 10.1007/s13131-015-0701-0

Citation:

LI Junyi, ZHENG Quanan, HU Jianyu, FAN Zhenhua, ZHU Jia, CHEN Tao, ZHU Benlu, XU Ying. Wavelet analysis of coastal-trapped waves along the China coast generated by winter storms in 2008[J]. Acta Oceanologica Sinica, 2015, 34(11): 22-31. doi: 10.1007/s13131-015-0701-0

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Wavelet analysis of coastal-trapped waves along the China coast generated by winter storms in 2008

doi: 10.1007/s13131-015-0701-0

1.
State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen 361102, China;Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA
2.
State Key Laboratory of Marine Environmental Science, College of Ocean & Earth Sciences, Xiamen University, Xiamen 361102, China
3.
The National Marine Information Center, State Oceanic Administration, Tianjin 300171, China
4.
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA;National Meteorological Center, China Meteorological Administration, Beijing 100081, China
5.
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA;Fujian Marine Forecasts, Fuzhou 350003, China
6.
Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA;National Satellite Ocean Applications Service, State Oceanic Administration, Beijing 100081, China

Received Date: 2015-03-19
Rev Recd Date: 2015-05-11

Abstract

Abstract

This study applies the wavelet analysis to the tidal gauge records, alongshore winds, atmospheric temperature and pressure along the China coast in winter 2008. The analysis results show three events of sea level oscillations (SLOs) on the shelf induced by winter storms. The first event occurred from January 9 to 21. The SLO periods were double-peaked at 1.6-5.3 and 7.0-16.0 d with the power densities of 0.04-0.05 and 0.10-0.15 m²·d, respectively. The second event occurred from February 5 to 18. The SLO period was single-peaked at 2.3-3.5 d with power density of 0.03-0.04 m²·d. The third event occurred from February 20 to March 8. The SLO periods were double-peaked at 1.5-4.3 and 6.1-8.2 d with the power densities of 0.08-0.11 and 0.02-0.08 m²·d, respectively. The SLOs propagated along the coast from Zhejiang in north to Guangdong in south. The phase speeds ranged about 9-29 m/s from Kanmen to Pingtan, 5-11 m/s from Xiamen to Huizhou and 11-22 m/s from Huizhou to Shuidong. The dispersion relation of the SLOs shows their nature of coastal-trapped wave.
- coastal-trapped waves,
- wavelet analysis,
- tidal gauge records,
- winter storm,
- China coast

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References(35)

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