Articles | Volume 15, issue 13
https://doi.org/10.5194/acp-15-7487-2015
https://doi.org/10.5194/acp-15-7487-2015
Research article
 | 
10 Jul 2015
Research article |  | 10 Jul 2015

A modified micrometeorological gradient method for estimating O3 dry depositions over a forest canopy

Z. Y. Wu, L. Zhang, X. M. Wang, and J. W. Munger

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Cited articles

Bache, D. H.: Momentum transfer to plant canopies: influence of structure and variable drag, Atmos. Environ., 20, 1369–1378, 1986.
Baldocchi, D.: A multi-layer model for estimating sulfur dioxide deposition to a deciduous oak forest canopy, Atmos. Environ., 22, 869–884, 1988.
Baldocchi, D., Falge, E., Gu, L., Olson, R., Hollinger, D., Running, S., Anthoni, P., Bernhofer, C., Davis, K., and Evans, R.: FLUXNET: A new tool to study the temporal and spatial variability of ecosystem-scale carbon dioxide, water vapor, and energy flux densities, B. Am. Meteorol. Soc., 82, 2415–2434, 2001.
Baldocchi, D. D., Hincks, B. B., and Meyers, T. P.: Measuring biosphere-atmosphere exchanges of biologically related gases with micrometeorological methods, Ecology, 69, 1331–1340, 1988.
Bash, J. O., Walker, J. T., Katul, G. G., Jones, M. R., Nemitz, E., and Robarge, W. P.: Estimation of in-canopy ammonia sources and sinks in a fertilized Zea Mays field, Environ. Sci. Technol., 44, 1683–1689, 2010.
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Short summary
In this study, we have developed a modified micrometeorological gradient method (MGM), although based on existing micrometeorological theory, to estimate O3 dry deposition fluxes over a forest canopy using concentration gradients between a level above and a level below the canopy top. The new method provides an alternative approach in monitoring/estimating long-term deposition fluxes of similar pollutants over tall canopies and is expected to be useful for the scientific community.
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