Can CO2 turbulent flux be measured by lidar? A preliminary study

Fabien Gibert, Grady J. Koch, Jeffrey Y. Beyon, Timothy W. Hilton, Kenneth J. Davis, Arlyn Andrews, Pierre H. Flamant, Upendra N. Singh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The vertical profiling of CO2 turbulent fluxes in the atmospheric boundary layer (ABL) is investigated using a coherent differential absorption lidar (CDIAL) operated nearby a tall tower in Wisconsin during June 2007. A CDIAL can perform simultaneous range-resolved CO2 DIAL and velocity measurements. The lidar eddy covariance technique is presented. The aims of the study are (i) an assessment of performance and current limitation of available CDIAL for CO2 turbulent fluxes and (ii) the derivation of instrument specifications to build a future CDIAL to perform accurate range-resolved CO2 fluxes. Experimental lidar CO2 mixing ratio and vertical velocity profiles are successfully compared with in situ sensors measurements. Time and space integral scales of turbulence in the ABL are addressed that result in limitation for time averaging and range accumulation. A first attempt to infer CO2 fluxes using an eddy covariance technique with currently available 2-μm CDIAL dataset is reported.

Original languageEnglish (US)
Pages (from-to)365-377
Number of pages13
JournalJournal of Atmospheric and Oceanic Technology
Volume28
Issue number3
DOIs
StatePublished - Mar 1 2011

Fingerprint

Optical radar
lidar
Fluxes
Atmospheric boundary layer
eddy covariance
boundary layer
velocity profile
mixing ratio
Velocity measurement
Towers
Turbulence
turbulence
sensor
Specifications
Sensors

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Atmospheric Science

Cite this

Gibert, F., Koch, G. J., Beyon, J. Y., Hilton, T. W., Davis, K. J., Andrews, A., ... Singh, U. N. (2011). Can CO2 turbulent flux be measured by lidar? A preliminary study. Journal of Atmospheric and Oceanic Technology, 28(3), 365-377. https://doi.org/10.1175/2010JTECHA1446.1
Gibert, Fabien ; Koch, Grady J. ; Beyon, Jeffrey Y. ; Hilton, Timothy W. ; Davis, Kenneth J. ; Andrews, Arlyn ; Flamant, Pierre H. ; Singh, Upendra N. / Can CO2 turbulent flux be measured by lidar? A preliminary study. In: Journal of Atmospheric and Oceanic Technology. 2011 ; Vol. 28, No. 3. pp. 365-377.
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Gibert, F, Koch, GJ, Beyon, JY, Hilton, TW, Davis, KJ, Andrews, A, Flamant, PH & Singh, UN 2011, 'Can CO2 turbulent flux be measured by lidar? A preliminary study', Journal of Atmospheric and Oceanic Technology, vol. 28, no. 3, pp. 365-377. https://doi.org/10.1175/2010JTECHA1446.1

Can CO2 turbulent flux be measured by lidar? A preliminary study. / Gibert, Fabien; Koch, Grady J.; Beyon, Jeffrey Y.; Hilton, Timothy W.; Davis, Kenneth J.; Andrews, Arlyn; Flamant, Pierre H.; Singh, Upendra N.

In: Journal of Atmospheric and Oceanic Technology, Vol. 28, No. 3, 01.03.2011, p. 365-377.

Research output: Contribution to journalArticle

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