Eddy covariance mapping and quantification of surface CO 2 leakage fluxes
โ Scribed by Lewicki, Jennifer L.; Hilley, George E.
- Book ID
- 119676250
- Publisher
- American Geophysical Union
- Year
- 2009
- Tongue
- English
- Weight
- 468 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1944-8007
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Eddy fluxes of CO2 estimated using a sonic anemometer and a closed-path analyser were, on average, 16% lower than those obtained with the same anemometer and an adjacent open-path CO1 analyser. Covariances between vertical windspeed and CO2 density from the closed-path analyser were calculated using
Flux densities of carbon dioxide were measured over an arid, vegetation-free surface by eddy covariance techniques and by a heat budget-profile method, in which CO\* concentration gradients were specified in terms ofmixing ratios. This method showed negligible fluxes ofCO,, consistent with the baren