DISTRIBUTION OF OFFSHORE WIND AND WAVE ENERGY RESOURCES CONSIDERING SEVERE WEATHER CONSTRAINTS

Zhang Yisan; Hu Song; Wang Fang

doi:10.19912/j.0254-0096.tynxb.2021-1056

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (12) : 200-205. DOI: 10.19912/j.0254-0096.tynxb.2021-1056

DISTRIBUTION OF OFFSHORE WIND AND WAVE ENERGY RESOURCES CONSIDERING SEVERE WEATHER CONSTRAINTS

Zhang Yisan¹, Hu Song¹, Wang Fang²

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Abstract

Based on ERA5 and global ocean wave reanalysis data, the temporal and spatial distribution characteristics of severe weather events in the sea areas 110°E-130°E and 15°N-35°N from 2005 to 2019 were statistically analyzed. The wind energy density, wave energy density, wind energy variation coefficient and wave energy variation coefficient were analyzed when the severe weather period was excluded. The results show that severe weather events show an overall increasing trend from 2005 to 2019, with large seasonal differences. On the whole, there are more severe weather periods in the deep sea area than that in the offshore area, and the most severe weather events occur in the northern part of the South China Sea. After eliminating bad weather period, there are areas with abundant wind energy and dense wave energy in the far-reaching sea of the East China Sea. The offshore wind of south of Taiwan strait is rich and stable, but wave energy is not intensive and unstable. Wave energy in the northern offshore waters of the South China Sea is more dense and stable than in the deep seas, it is quite different from the distribution characteristics of wave energy without eliminating the period of severe weather.

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offshore wind farm / severe weather / wind energy resource assessment / wave energy resource assessment

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Zhang Yisan, Hu Song, Wang Fang. DISTRIBUTION OF OFFSHORE WIND AND WAVE ENERGY RESOURCES CONSIDERING SEVERE WEATHER CONSTRAINTS[J]. Acta Energiae Solaris Sinica. 2022, 43(12): 200-205 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1056

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