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Validation of the Deardorff model for estimating energy balance components for a sugarcane crop
Provedor de dados: 63
Autores: Rolim,Glauco de Souza; Escobedo,João Francisco; Oliveira,Amauri Pereira.
The quantification of the available energy in the environment is important because it determines photosynthesis, evapotranspiration and, therefore, the final yield of crops. Instruments for measuring the energy balance are costly and indirect estimation alternatives are desirable. This study assessed the Deardorff's model performance during a cycle of a sugarcane crop in Piracicaba, State of São Paulo, Brazil, in comparison to the aerodynamic method. This mechanistic model simulates the energy fluxes (sensible, latent heat and net radiation) at three levels (atmosphere, canopy and soil) using only air temperature, relative humidity and wind speed measured at a reference level above the canopy, crop leaf area index, and some pre-calibrated parameters...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Energy budget; Net radiation; Latent heat flux; Sensible heat flux; Microclimate.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162008000400001