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首页> 外文期刊>Ocean Dynamics >A long-term nearshore wave hindcast for Ireland: Atlantic and Irish Sea coasts (1979-2012): Present wave climate and energy resource assessment
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A long-term nearshore wave hindcast for Ireland: Atlantic and Irish Sea coasts (1979-2012): Present wave climate and energy resource assessment

机译：爱尔兰的长期近岸海浪后遗症：大西洋和爱尔兰海沿岸（1979-2012年）：目前的海浪气候和能源资源评估

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摘要

The Northeast Atlantic possesses some of the highest wave energy levels in the world. The recent years have witnessed a renewed interest in harnessing this vast energy potential. Due to the complicated geomorphology of the Irish coast, there can be a significant variation in both the wave and wind climate. Long-term hindcasts with high spatial resolution, properly calibrated against available measurements, provide vital information for future deployments of ocean renewable energy installations. These can aid in the selection of adequate locations for potential deployment and for the planning and design of those marine operations. A 34-year (from 1979 to 2012), high-resolution wave hind-cast was performed for Ireland including both the Atlantic and Irish Sea coasts, with a particular focus on the wave energy resource. The wave climate was estimated using the third-generation spectral wave model WAVEWATCH Ⅲ® version 4.11, the unstructured grid formulation. The wave model was forced with directional wave spectral data and 10-m winds from the European Centre for Medium Range Weather Forecasts (ECMWF) ERA-Interim reanaly-sis, which is available from 1979 to the present. The model was validated against available observed satellite altimeter and buoy data, particularly in the nearshore, and was found to be excellent. A strong spatial and seasonal variability was found for both significant wave heights, and the wave energy flux, particularly on the north and west coasts. A strong correlation between the North Atlantic Oscillation (NAO) teleconnection pattern and wave heights, wave periods, and peak direction in winter and also, to a lesser extent, in spring was identified.
机译：东北大西洋拥有世界上某些最高的波浪能级。近年来，人们对利用这种巨大的能源潜力重新产生了兴趣。由于爱尔兰海岸的地貌复杂，波浪和风的气候都可能有很大的变化。具有较高空间分辨率的长期后铸物，根据可用的测量值进行了适当的校准，为将来的海洋可再生能源装置的部署提供了重要的信息。这些可以帮助选择适当的位置，以进行潜在的部署以及这些海上作业的规划和设计。对爱尔兰进行了为期34年（从1979年至2012年）的高分辨率海浪后播，其中包括大西洋和爱尔兰海沿岸，特别着重于海浪能源。使用第三代频谱波模型WAVEWATCHⅢ®版本4.11（非结构化网格公式）估算了海浪气候。该波形模型是根据定向波谱数据和来自欧洲中型天气预报中心（ECMWF）ERA-Interim再分析的10米风强迫运行的，该模型可从1979年至今。该模型已根据可用的观测卫星高度计和浮标数据进行了验证，尤其是在近岸，并且被认为是出色的。在重要的波高和波能通量上都发现了强烈的空间和季节变化，特别是在北海岸和西海岸。人们发现，北大西洋涛动（NAO）遥相关型与冬季的波高，波周期和峰值方向之间有很强的相关性，春季也有较小的相关性。

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  • 来源
    《Ocean Dynamics》 |2014年第8期|1163-1180|共18页
  • 作者

    Sarah Gallagher; Roxana Tiron; Frederic Dias;

  • 作者单位

    UCD School of Mathematical Sciences, University College Dublin, Belfield, Dublin 4, Ireland,Met Eireann, Glasnevin, Dublin 9, Ireland;

    UCD School of Mathematical Sciences, University College Dublin, Belfield, Dublin 4, Ireland;

    UCD School of Mathematical Sciences, University College Dublin, Belfield, Dublin 4, Ireland,Centre de Mathematiques et de Leurs Applications, Ecole Normale Superieure de Cachan, 94235 Cachan, France;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Hindcast; Wave climate; Marine renewable energy; Interannual variability; Teleconnection patterns; Ireland;

    机译：后播海浪气候;海洋可再生能源;年际变化;远程连接模式;爱尔兰;

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