以广东海域为研究区域,利用ERA5再分析数据集,分析风浪资源时空分布特征,评价风浪资源的可用性、变异性和相关性以及互补协同性,对风浪资源联合开发潜力进行评估分析。结果表明,广东海域风浪资源均较为丰富,风能年平均功率密度最大超过800 W/m2,波浪年平均功率密度主要介于3~12 kW/m之间;风浪资源相关性整体较高,近岸海域风浪资源互补性较低,互补性指标WiWaS不超过0.3,离岸距离增大,风浪互补性增强,在外海区域WiWaS可达0.6以上。粤东和台湾海峡西南口海域与粤西海域相比,风浪资源互补性较强,二者协同作用更明显,更适合作为风浪联合开发区域。
Abstract
This paper takes Guangdong Sea Area as the study area, uses ERA5 reanalysis dataset to analyze the spatial and temporal distribution characteristics of wind and wave resources, evaluates the availability, variability and correlation as well as complementary synergies of the two, and assesses and analyzes the potential for joint development of wind and wave resources. The results show that wind and wave resources in Guangdong sea area are relatively abundant, with the maximum annual average power density of wind energy exceeding 800 W/m2 and the annual average power density of waves mainly ranging from 3 to 12 kW/m; the correlation of wind and wave resources is overall high, and the complementarity of wind and wave resources in near-shore is low, with the complementarity index WiWaS not exceeding 0.3, and the wind and wave complementarity is enhanced by the increase of the distance from the shore, and the complementary synergistic properties of wind and wave resources in the offshore region WiWaS can be more than 0.6. Compared with the western part of Guangdong, the wind and wave resources in the eastern part of Guangdong and the southwestern part of Taiwan Strait are more complementary, and the synergistic effect of the two is more obvious, which makes them more suitable for the joint development of wind and wave energy.
关键词
风能 /
波浪能 /
潜在能量 /
联合开发 /
广东海域
Key words
wind power /
wave power /
potential energy /
joint development /
Guangdong sea area
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基金
国家重点研发计划（2023YFC3106901）
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