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Advances in Meteorology
Volume 2012 (2012), Article ID 178623, 6 pages
Research Article

Wind Velocity Vertical Extrapolation by Extended Power Law

Hydraulics Division, Civil Engineering Faculty, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey

Received 19 August 2012; Accepted 7 October 2012

Academic Editor: Harry D. Kambezidis

Copyright © 2012 Zekai Şen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Wind energy gains more attention day by day as one of the clean renewable energy resources. We predicted wind speed vertical extrapolation by using extended power law. In this study, an extended vertical wind velocity extrapolation formulation is derived on the basis of perturbation theory by considering power law and Weibull wind speed probability distribution function. In the proposed methodology not only the mean values of the wind speeds at different elevations but also their standard deviations and the cross-correlation coefficient between different elevations are taken into consideration. The application of the presented methodology is performed for wind speed measurements at Karaburun/Istanbul, Turkey. At this location, hourly wind speed measurements are available for three different heights above the earth surface.