Identification of tower-wake distortions using sonic anemometer and lidar measurements

McCaffrey, Katherine; Quelet, Paul T.; Choukulkar, Aditya; Wilczak, James M.; Wolfe, Daniel E.; Oncley, Steven P.; Brewer, W. Alan; Debnath, Mithu; Ashton, Ryan; Iungo, G. Valerio; Lundquist, Julie K.

doi:https://doi.org/10.5194/amt-10-393-2017

Articles | Volume 10, issue 2

https://doi.org/10.5194/amt-10-393-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Pushing the limits: The eXperimental Planetary boundary layer...

https://doi.org/10.5194/amt-10-393-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 2

Research article

|

02 Feb 2017

Research article |

| 02 Feb 2017

Identification of tower-wake distortions using sonic anemometer and lidar measurements

Katherine McCaffrey, Paul T. Quelet, Aditya Choukulkar, James M. Wilczak, Daniel E. Wolfe, Steven P. Oncley, W. Alan Brewer, Mithu Debnath, Ryan Ashton, G. Valerio Iungo, and Julie K. Lundquist

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Final revised paper (published on 02 Feb 2017)
Preprint (discussion started on 22 Jul 2016)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Clear paper on BAO tower effects', Tim Price, 21 Oct 2016
RC2: 'Review of "Identification of Tower Wake Distortions Using Sonic Anemometer and Lidar Measurements"', Anonymous Referee #4, 03 Dec 2016
AC1: 'Responses to Referees', Katherine McCaffrey, 30 Dec 2016

Short summary

During the eXperimental Planetary boundary layer Instrumentation Assessment (XPIA) field campaign, the wake and flow distortion from a 300-meter meteorological tower was identified using pairs of sonic anemometers mounted on opposite sides of the tower, as well as profiling and scanning lidars. Wind speed deficits up to 50% and TKE increases of 2 orders of magnitude were observed at wind directions in the wake, along with wind direction differences (flow deflection) outside of the wake.