Estimation of transpiration fluxes from rainfed and irrigated sugarcane in South Africa using a canopy resistance and crop coefficient model

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• 作者：E. Bastidas-Obando^a ; ^b ; ^{ernesto.bastidas@eleaf.com} ; W.G.M. Bastiaanssen^b ; ^c ; C. Jarmain^d
• 关键词：Jarvis-Stewart model ; Sugarcane ; Crop coefficient ; Stomata ; Environmental stress
• 刊名：Agricultural Water Management
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：181
• 期：Complete
• 页码：94-107
• 全文大小：1962 K
• 卷排序：181

文摘

A Jarvis-Stewart model calibrated for sugarcane can be applied for the prediction of hourly and daily transpiration. Canopy resistance for optimal conditions is constant due to the increase of minimum stomatal resistance with LAI. An analytical function was derived to express the response of sugarcane transpiration to soil water conditions. The Jarvis-Stewart model outperformed the classical FAO56 type crop coefficients when compared to field measurements.