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A bistatic sodar for precision wind profiling in complex terrain

Bradley, SG; von Hünerbein, S; Mikkelsen, T

Authors

SG Bradley

T Mikkelsen



Abstract

A new ground-based wind profiling technology—a scanned bistatic sodar—is described. The motivation for this design is to obtain a “mastlike” wind vector profile in a single atmospheric column extending from the ground to heights of more than 200 m. The need for this columnar profiling arises from difficulties experienced by all existing lidars and sodars in the presence of nonhorizontally uniform wind fields, such as found generically in complex terrain. Other advantages are described, including improved signal strength from turbulent velocity fluctuations, improved data availability in neutral atmospheric temperature profiles, improved rejection of rain echoes, and improved rejection of echoes from fixed (nonatmospheric) objects. Initial brief field tests indicate that the scattered intensity profile agrees with theoretical expectations, and bistatic sodar winds are consistent with winds from standard mast-mounted instruments.

Citation

Bradley, S., von Hünerbein, S., & Mikkelsen, T. (2013). A bistatic sodar for precision wind profiling in complex terrain. Journal of Atmospheric and Oceanic Technology, 29(8), 1052-1061. https://doi.org/10.1175/JTECH-D-11-00035.1

Journal Article Type Article
Publication Date Aug 1, 2013
Deposit Date Apr 11, 2013
Publicly Available Date Apr 11, 2013
Journal Journal of Atmospheric and Oceanic Technology
Print ISSN 0739-0572
Publisher American Meteorological Society
Peer Reviewed Peer Reviewed
Volume 29
Issue 8
Pages 1052-1061
DOI https://doi.org/10.1175/JTECH-D-11-00035.1
Publisher URL http://dx.doi.org/10.1175/JTECH-D-11-00035.1
Related Public URLs http://journals.ametsoc.org/loi/atot
Additional Information Projects : UPWIND

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