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Satellite-measured wind speed data may offer new possibilities for off-shore wind resource assessment. Currently a minimum of one year wind observations at meteorological masts positioned in the sea or at the coastline are used in atmospheric models at local and regional scale to predict the off-shore wind resources. Satellite SAR imagery provides ocean wind speed maps at local scale with a 400 m spatial resolution covering areas of 100 km * 100 km as snap-shots several times a month. These wind speed maps may provide new information relevant for off-shore wind parks at a relatively low cost. Theoretically, by combining 60-70 SAR images from an offshore site, the mean wind speed can be estimated. |
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