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

Muller, Jennifer B.A.; Coyle, Mhairi; Fowler, David; Gallagher, Martin W.; Nemitz, Eiko G.; Percival, Carl J.. 2009 Comparison of ozone fluxes over grassland by gradient and eddy covariance technique. Atmospheric Science Letters, 10 (3). 164-169.

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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.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: CEH Programmes pre-2009 publications > Biogeochemistry > BG03 Quantifying the growing threat to plant and human health from ground level ozone > BG03.2 Measuring and Modelling Ozone Exchange and effects at country scales
UKCEH and CEH Sections/Science Areas: Billett (to November 2013)
ISSN: 1530-261X
Additional Keywords: Ozone, eddy covariance, aerodynamic gradient, deposition velocity, grassland
NORA Subject Terms: Atmospheric Sciences
Date made live: 06 Oct 2009 09:15 +0 (UTC)

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