Evaluation of turbulence measurement techniques from a single Doppler lidar

Measurements of turbulence are essential to understand and quantify the transport and dispersal of heat, moisture, momentum, and trace gases within the planetary boundary layer (PBL). Through the years, various techniques to measure turbulence using Doppler lidar observations have been proposed. However, the accuracy of these measurements has rarely been validated against trusted in situ instrumentation. Herein, data from the eXperimental Planetary boundary layer Instrumentation Assessment (XPIA) are used to verify Doppler lidar turbulence profiles through comparison with sonic anemometer measurements. For 17 days at the end of the experiment, a single scanning Doppler lidar continuously cycled through different turbulence measurement strategies: velocity-azimuth display (VAD), six-beam scans, and range-height indicators (RHIs) with a vertical stare.

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Author Bonin, Timothy A.
Choukulkar, Aditya
Brewer, W. Alan
Sandberg, Scott P.
Weickmann, Ann M.
Pichugina, Yelena L.
Banta, Robert M.
Oncley, Steven P.
Wolfe, Daniel E.
Publisher UCAR/NCAR - Library
Publication Date 2017-08-23T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T19:10:33.108582
Metadata Record Identifier edu.ucar.opensky::articles:20976
Metadata Language eng; USA
Suggested Citation Bonin, Timothy A., Choukulkar, Aditya, Brewer, W. Alan, Sandberg, Scott P., Weickmann, Ann M., Pichugina, Yelena L., Banta, Robert M., Oncley, Steven P., Wolfe, Daniel E.. (2017). Evaluation of turbulence measurement techniques from a single Doppler lidar. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d78c9zqt. Accessed 22 June 2025.

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