海南东方近岸海域海浪观测特征研究

doi:10.11978/2017102

Abstract

Abstract:

Temporal variation characteristics of ocean waves in the coastal area of Dongfang, Hainan are analyzed based on observations of ocean waves for a whole year from Aug 1, 2014 to Jul 31, 2015. During the observation period, the maximum height of the significant wave height was 4.03m, the average was 0.79m; the maximum value of the mean period was 6.32s, and the average was 3.58 seconds. In this sea area, the wave height was higher in winter, with minimum in autumn. The normal wave direction was SSW, and the strong wave direction was WSW. Based on the one-year observation data, the relation between the mean period and significant wave height was studied, and the relation between the significant wave height and its mean duration was also established. Finally, the variation characteristics of wave energy density in the observation period were discussed. We found that the frequency of wave energy density above 2kW·m^-1 in one year was 26%, and the wave energy at the observation location increased faster in December, but the total wave energy resources were not rich enough. The results obtained in this study are of great significance for understanding the wave characteristics and engineering design of the coastal area of Dongfang, Hainan.

Key words: coastal area of Dongfang, Hainan Island, characteristics of wave variation, joint distribution of wave period and height, wave height persistence, wave energy

Xingru FENG, Jinyuan LI, Baoshu YIN, Dezhou YANG, Haiying CHEN, Guandong GAO. Characteristics of ocean waves in coastal area of Dongfang, Hainan Island based on observations[J].Journal of Tropical Oceanography, 2018, 37(3): 1-8.

Figures/Tables 9

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Characteristics of ocean waves in coastal area of Dongfang, Hainan Island based on observations

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