Research Article

Statistical and Spectral Analysis of Wind Characteristics Relevant to Wind Energy Assessment Using Tower Measurements in Complex Terrain

Figure 4

Frequency histograms of wind directions and the fitted von Mises distribution functions at the Tonopah 24NW Tower (a) and the Kingston 14SW Tower (b) at 50 m using the composite 2003–2008 datasets.
739162.fig.004a
(a)
739162.fig.004b
(b)