Global radiation within corn |
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| Authors: | W J Kyle J A Davies M Nunez |
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| Institution: | (1) Dept. of Geography, McMaster University, Hamilton, Ontario, Canada;(2) Environmental Physics Unit, University of Nottingham, Sutton Bonington, Loughborough, England;(3) Department of Geography, University of Tasmania, Hobart, Tasmania, Australia |
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| Abstract: | Global and net solar radiation profiles were measured by traversing sensors at four heights in a square-sown plot and a row plot of field corn on four relatively cloudless days in August 1972. The fluxes and their vertical distributions are discussed. A numerical model of the short-wave radiation fluxes in a canopy is presented. Using leaf area index and fixed leaf radiative properties, calculated values of radiation are within 10% of measurements in most instances. The performance under predominantly beam or diffuse radiation is similar and model values of crop albedo compare well with values calculated from radiation measurements above the crops. |
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