Atmospheric Flow Fields: Theory, Numerical Methods And Software Tools

Estimation of the Lower Atmospheric Turbulence Parameters by Sodar-Rass Unit and Sonic Anemometer

Author(s): Renato Ricci, Roberta Cocci Grifoni and Marco Mazzieri

Pp: 174-184 (11)

DOI: 10.2174/9781608054831112010010


Purpose of this chapter was to analyze the planetary boundary layer (PBL) using remote sensing tools. Sodar techniques allowed us to obtain speed and wind direction profiles from a height ranging from 30/40 m. to 1000 m. The SODAR (Sound Detection And Ranging) is, in fact, an alternative to the use of cup anemometers and offers the possibility of measuring both the wind speed distribution with height and the wind direction. In particular, these instruments play a key role both to assess the wind resource in a specific area and to estimate the alteration of the wind field caused by the complex orography of the region.

Keywords: Aerogenerator, Atmospheric Temperature Structure Parameter, complex orography, Cup Anemometer, environmental wind gallery, orographic acceleration, orographic acceleration, planetary boundary layer, RASS, remote sensing, Snodar, Sodar, Sodar calibration, speed patterns, Thermal Bubble, Ultrasonic Anemometer, Wind gallery, wind park, wind speed, wind turbines.

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