Computing energy budget within a crop canopy from Penmann’s formulae |
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| Authors: | Mahendra Mohan K K Srivastava |
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| Institution: | (1) Radio and Atmospheric Science Division, National Physical Laboratory, 110012 New Delhi, India;(2) Department of Chemical Engineering, Institute of Technology, Banaras Hindu University, 221005 Varanasi, India |
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| Abstract: | The Lhomme’s model (1988a), that extended Penmann's formulae to a multi-layer model, is redefined as a function of micrometeorological
and physiological profiles of crop canopy. The sources and sinks of sensible and latent heat fluxes are assumed to lie on
a fictitious plane called zero-displacement plane. Algorithms are given to compute sensible and latent heat flux densities.
Performance of the algorithms is compared with that of earlier algorithms. |
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| Keywords: | Latent heat flux sensible heat flux net radiation aerodynamical resistance boundary layer resistance stomatal resistance |
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