ECN publication
Offshore Wind Atlas of the Dutch Part of the North Sea
Donkers, J.A.J.; Brand, A.J.; Eecen, P.J.
Published by: Publication date:
ECN Wind Energy 24-3-2011
ECN report number: Document type:
ECN-M--11-031 Conference Paper
Number of pages: Full text:
12 Download PDF  

Summary A wind atlas of the Dutch part of the North Sea was made by using a numerical wind atlas method fed with six years of data from the numerical weather prediction model HiRLAM. This atlas contains distributions of mean wind speed, Weibull parameters and reference wind speed in the Netherlands' Exclusive Economic Zone at 40, 90 and 140 meter above mean sea level. This atlas was made by employing a sea surface roughness which, apart from wind speed, depends on wave steepness. By using such a sea surface roughness, the accuracy of wind speed distributions is improved with 1% to 2% over distributions calculated with a sea surface roughness that depends on wind speed alone.

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