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Offshore Wind Resource Estimation from Satellite SAR Wind Field Maps

机译:从卫星SAR风场图估算近海风资源

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摘要

A wind resource estimation study based on a series of 62 satellite wind field maps is presented. The maps were retrieved from imaging synthetic aperture radar (SAR) data. The wind field maps were used as input to the software RWT, which calculates the offshore wind resource based on spatial averaging (footprint modelling) of the wind statistic in each satellite image. The calculated statistics can then be input to the program WA~sP and used in lieu of in-situ observations by meteorological instruments. A regional wind climate map based on satellite SAR images delineates significant spatial wind speed variations. The site of investigation was Horns Rev in the North Sea, where a meteorological time series is used for comparison. The advantages and limitations of these new techniques, which seem particularly useful for mapping of the regional wind climate, are discussed.
机译:提出了基于一系列62个卫星风场图的风资源估算研究。这些地图是从成像合成孔径雷达(SAR)数据中检索到的。风场图被用作软件RWT的输入,该软件根据每个卫星图像中风统计的空间平均(足迹建模)来计算海上风资源。然后可以将计算出的统计数据输入到程序WA〜sP中,并用它代替气象仪器进行的现场观测。基于卫星SAR图像的区域风气候图描绘了重要的空间风速变化。调查地点是北海的Horns Rev,该地区使用气象时间序列进行比较。讨论了这些新技术的优点和局限性,这些优点和局限性似乎对于绘制区域风气候特别有用。

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