摘要
利用海洋模式FVCOM(Finite Volume,primitive equation Community Ocean Model)建立了一个高分辨率的舟山附近海域潮汐潮流模型,通过与历史实测资料进行对比验证了模型模拟结果的可靠性,表明模型可以较好地描述舟山附近海域潮汐潮流运动状况。基于模型的模拟结果,估算与分析了舟山西堠门水道的潮流能资源,结果表明,西堠门水道的潮流以往复流为主,年平均流速和年最大流速分别超过1.2 m/s和2.6 m/s,年平均能流密度和年最大能流密度分别超过1.2 kW/m^(2)和6.5 kW/m^(2);西堠门水道的平均流速和平均能流密度存在3处峰值区,其值大小由西北向东南递增;西堠门水道流速和能流密度的季节分布特征相似,1月(冬季)的流速和能流密度最大,4月(春季)和10月(秋季)次之,7月(夏季)最小。结合潮流能发电站选址原则,本文认为册子岛西北岬角处海域可选为西堠门水道潮流能发电站的最佳场址,其总平均功率和有效功率分别为30.0 MW和4.5 MW,与当前已经运行的潮流能发电站相比较,该选址区域的发电能力较为可观,具有极大开发潜力。
A high-resolution tidal model for coastal sea adjacent to Zhoushan was established based on the unstructured grid,Finite-Volume,primitive equation Community Ocean Model(FVCOM).The model simulation results were in good agreement with observational data,suggesting that the model can well reveal the tidal characteristics in the sea area.Tidal current energy in the Xihoumen Channel of Zhoushan was estimated based on model simulation results,the optimal location for power station was determined and the annual mean effective tidal energy at the location was also analyzed.The results show that the tidal current in the channel is dominated by alternating tidal current and the annual mean velocity and annual maximum velocity are greater than 1.2 m/s and 2.6 m/s,respectively.The annual mean and annual maximum energy flow density are greater than 1.2 kW/m^(2) and 6.5 kW/m^(2),respectively.The spatial distribution of the current velocity and the energy flow density in the channel are similar,both has three peak areas with values increase from the northwest to the southeast.The seasonal distribution of the current velocity and the energy flow density in the channel exhibits similar.The velocity and the energy flow density reach their maximum value in January,and are moderate in April(spring)and October(autumn),smallest in July(summer).Considering the tidal current energy resources and the criteria for selecting the power station site,the northwest cape of Cezi Island is then selected as the optimal power station site in the Xihoumen Chanel.The total average power and effective power at the selected site are 30.0 MW and 4.5 MW,respectively.Compared with existing power stations,the power generation capacity at the selected site is much larger and has great development potential.
作者
张洁
纪棋严
左军成
彭腾腾
苏毓
孙永钊
ZHANG Jie;JI Qi-yan;ZUO Jun-cheng;PENG Teng-teng;SU Yu;SUN Yong-zhao(College of Marine Science and Technology,Zhejiang Ocean University,Zhoushan 316022,China;College of Marine Sciences,Shanghai Ocean University,Shanghai 201306,China)
出处
《海洋科学进展》
CAS
CSCD
北大核心
2022年第2期327-341,共15页
Advances in Marine Science
基金
国家重点研发计划项目——全球高分辨率潮汐潮流数值模式研制(2016YFC1401406)
国家社科重大项目——海平面上升对我国重点沿海区域发展影响研究(15ZDB17)
国家自然科学基金项目——东海黑潮锋三维精细结构的变化特征及影响机理研究(41806004),基于大数据的海-陆资源流动机制与模拟研究(42130402)。
关键词
西堠门水道
潮流能
FVCOM
Flux法
Xihoumen Channel
tidal current energy
FVCOM(Finite-Volume,primitive equation Community Ocean Model)
Flux method
