Moulin, A., Tenuta, M., Lobb, D., Dunmola, A. and Yapa, P. 2011. Probability distribution functions for short-term daily nitrous oxide fluxes in a prairie pothole agricultural landscape in western Canada. Can. J. Soil Sci. 91: 303-307. Probability distributions of N2O fluxes are often non-normal due to large temporal and spatial variability of environmental factors. The most common approaches to statistical analyses of these fluxes in the scientific literature are to transform data with a log function, or conduct non-parametric tests. Analysis of N2O flux data for 128 sites within a 16-ha field, taken on 20 dates in 2005 and 2006 near Brandon, Manitoba, show that the Johnson Su and generalized log probability distributions provided the best fit for the majority of sample dates. The results of this research indicate that statistical analysis of N2O fluxes with the Johnson Su probability function should be considered as an alternative to the lognormal function.
How to translate text using browser tools
1 May 2011
Probability distribution functions for short-term daily nitrous oxide fluxes in a prairie pothole agricultural landscape in western Canada
Alan P. Moulin,
Mario Tenuta,
David A. Lobb,
Adedeji S. Dunmola,
Priyantha Yapa
ACCESS THE FULL ARTICLE
It is not available for individual sale.
This article is only available to subscribers.
It is not available for individual sale.
It is not available for individual sale.

Canadian Journal of Soil Science
Vol. 91 • No. 2
May 2011
Vol. 91 • No. 2
May 2011
Nitrous oxide flux
oxyde nitreux