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Comparison of ozone fluxes over grassland by gradient and eddy covariance technique

  1. Jennifer B. A. Muller1,*,
  2. Mhairi Coyle2,
  3. David Fowler1,
  4. Martin W. Gallagher1,
  5. Eiko G. Nemitz1,
  6. Carl J. Percival1

Article first published online: 2 JUN 2009

DOI: 10.1002/asl.226

Issue

Atmospheric Science Letters

Atmospheric Science Letters

Special Issue: NCAS Atmospheric Science Conference, 2008 in memory of the late Professor Anthony Slingo

Volume 10, Issue 3, pages 164–169, July/September 2009

Additional Information

How to Cite

Muller, J. B. A., Coyle, M., Fowler, D., Gallagher, M. W., Nemitz, E. G. and Percival, C. J. (2009), Comparison of ozone fluxes over grassland by gradient and eddy covariance technique. Atmosph. Sci. Lett., 10: 164–169. doi: 10.1002/asl.226

Author Information

  1. 1

    School of Earth, Atmospheric and Environmental Sciences, The University of Manchester, Simon Building, Brunswick Street, Manchester, UK

  2. 2

    Centre for Ecology & Hydrology, Bush Estate, Penicuick, Midlothian, EH26 0QB, UK

*School of Earth, Atmospheric and Environmental Sciences, The University of Manchester, Simon Building, Brunswick Street, Manchester, M13 9PL, UK.

Publication History

  1. Issue published online: 23 SEP 2009
  2. Article first published online: 2 JUN 2009
  3. Manuscript Accepted: 21 APR 2009
  4. Manuscript Revised: 2 APR 2009
  5. Manuscript Received: 23 JAN 2009

Funded by

  • Natural Environment Research Council (NERC). Grant Number: NER/S/A/2006/14037

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Keywords:

  • ozone;
  • eddy covariance;
  • aerodynamic gradient;
  • deposition velocity;
  • grassland

Abstract

Ozone flux measurements over vegetation are important to estimate surface losses and ozone uptake by plants. The gradient and eddy covariance flux technique were used for measurements over grassland at a flux-monitoring site in southern Scotland during August 2007. The comparison of the two methods shows that the aerodynamic flux-gradient method provides very similar long-term average fluxes of ozone as the eddy covariance method. The eddy covariance technique is better at capturing diurnal cycles and short-term changes, but the comparison of two fast analysers illustrate that there can be considerable measurement uncertainty. Copyright © 2009 Royal Meteorological Society

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