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A one dimensional wind profile model with stability and eddy viscosity estimations from sodar data

  • Part III: Experimental Techniques and Methods of Data Acquisition
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Abstract

In a one-dimensional wind profile model, methods for eddy viscosity and stability estimations from sodar data have been evaluated with soundings. For eddy viscosity parameterization the ageostrophic method and mixing-length theory have been investigated. Three methods for estimating the static stability have been evaluated; a wind profile adjustment method, gravity wave analysis of sodar backscatter and flux profile functions for windspeed and standard deviation of vertical wind-speed. The wind profile model with variable momentum flux (VF) with height shows better results than an earlier constant flux model (Bergström, 1986). The VF model can be used for extending the sodar profile up to 1500 m.

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  1. Military Weather Service, Air force H.Q., S-107 84, Stockholm, Sweden

    Hans Dahlquist

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  1. Hans Dahlquist
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Dahlquist, H. A one dimensional wind profile model with stability and eddy viscosity estimations from sodar data. Boundary-Layer Meteorol 62, 329–351 (1993). https://doi.org/10.1007/BF00705563

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  • DOI: https://doi.org/10.1007/BF00705563

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