Estimating sensible and latent heat fluxes over rice using surface renewal

The performance of surface renewal (SR) analysis for estimating sensible ( H) and latent ( λE) heat fluxes has been analysed over a sprinkler irrigated rice. Similarity principles were not fully met during the experiment and the ( H + λE) measured values with the eddy covariance did not close the su...

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Bibliographic Details
Published in:Agricultural and forest meteorology 2006, Vol.139 (1), p.164-169
Main Authors: Castellvi, F., Martínez-Cob, A., Pérez-Coveta, O.
Format: Article
Language:English
Subjects:
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agricultural and forest meteorology
Agronomy. Soil science and plant productions
atmospheric conditions
atmospheric sciences
Biological and medical sciences
eddy covariance method
energy balance
estimation
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
heat transfer
Irrigation. Drainage
latent heat
Latent heat flux
new methods
Oryza sativa
rice
sensible heat
Sensible heat flux
sprinkler irrigation
Surface energy balance
Surface renewal
surface renewal analysis
turbulent flow
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Summary:The performance of surface renewal (SR) analysis for estimating sensible ( H) and latent ( λE) heat fluxes has been analysed over a sprinkler irrigated rice. Similarity principles were not fully met during the experiment and the ( H + λE) measured values with the eddy covariance did not close the surface energy balance. H and λE estimates using SR analysis were reliable and provided a reasonable energy-balance closure. The Bowen ratio was also estimated using SR analysis. Good estimates were obtained though mainly under unstable atmospheric conditions.
ISSN:0168-1923
1873-2240
DOI:10.1016/j.agrformet.2006.07.005