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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Preprints
https://doi.org/10.5194/amtd-6-703-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amtd-6-703-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Submitted as: research article 21 Jan 2013

Submitted as: research article | 21 Jan 2013

Review status
This preprint was under review for the journal AMT. A revision for further review has not been submitted.

Measurement of motion corrected wind velocity using an aerostat lofted sonic anemometer

W. R. Stevens1,*, W. Squier2, W. Mitchell2, B. K. Gullett2, and C. Pressley2 W. R. Stevens et al.
  • 1Oak Ridge Institute for Science and Education Postdoctoral Fellow to the US Environmental Protection Agency Office of Research and Development, National Risk Management Research Laboratory, Research Triangle Park, NC 27711, USA
  • 2US Environmental Protection Agency Office of Research and Development, National Risk Management Research Laboratory, Research Triangle Park, NC 27711, USA
  • *now at: Kentucky Christian University, Dept. of Health Sciences, Grayson, KY 41143, USA

Abstract. An aerostat-lofted, sonic anemometer was used to determine instantaneous 3 dimensional wind velocities at altitudes relevant to fire plume dispersion modeling. An integrated GPS, inertial measurement unit, and attitude heading and reference system corrected the wind data for the rotational and translational motion of the anemometer and rotated wind vectors to a global North, West, Up coordinate system. Data were taken at rates of 10 and 20 Hz to adequately correct for motion of the aerostat. The method was applied during a prescribed forest burn. These data were averaged over 15 min intervals and used as inputs for subsequent dispersion modeling. The anemometer's orientation data are demonstrated to be robust for converting the wind vector from the internal anemometer reference system to the global reference system with an average bias between 5 and 7°. Lofted wind data are compared with sonic anemometer data acquired at 10 m on a mast located near the tether point of the aerostat and with local meteorological data.

W. R. Stevens et al.

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Status: closed (peer review stopped)
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Interactive discussion

Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

W. R. Stevens et al.

W. R. Stevens et al.

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