The incoming radiation at the upper level of a plant stand primarily depends on astronomic factors and large-scale meteorological processes, while the radiation characteristics of the ground surface determined by the reflection coefficient and relief of the surrounding ground can be considered to be of secondary importance. Therefore the incoming radiation is usually described by means of general actinoclimatological characteristics complemented with information on the surrounding ground.
KeywordsDiffuse Radiation Direct Solar Radiation Incoming Radiation Solar Elevation Atmospheric Transparency
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