Abstract
Authors' group has been conducting full-scale measurements of wind velocities by Doppler sodars. It is very important to accurately assess the profiles of mean wind speeds and turbulence intensities in relation to the terrain roughness. The profiles were evaluated for all data measured at seashore and two inshore sites. The profiles in strong winds can be approximately expressed by power laws at altitudes between 50m to 340m. The power exponents of mean wind speed profiles are approximately 0.07 for sea winds and 0.2〜0.3 for land winds. Those of turbulence intensity profiles of vertical velocity are approximately 0.0 and -0.2〜-0.4 respectively.
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