Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions

Flerchinger, GN; Yu, Q

Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions

Flerchinger, GN Yu, Q

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Publication Type:: Journal Article
Citation:: Agricultural and Forest Meteorology, 2007, 144 (3-4), pp. 230 - 235
Issue Date:: 2007-06-08

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Field	Value	Language
dc.contributor.author	Flerchinger, GN	en_US
dc.contributor.author	Yu, Q https://orcid.org/0000-0001-6950-1821	en_US
dc.date.issued	2007-06-08	en_US
dc.identifier.citation	Agricultural and Forest Meteorology, 2007, 144 (3-4), pp. 230 - 235	en_US
dc.identifier.issn	0168-1923	en_US
dc.identifier.uri	http://hdl.handle.net/10453/8519
dc.description.abstract	The ability to simulate the surface energy balance and microclimate within a plant canopy is contingent upon accurate simulation of radiation exchange within the canopy. Accurate radiation simulations require some assumption of leaf angle distribution to compute transmissivity, reflection and scattering of radiation. The ellipsoidal leaf angle density function can very closely approximate real plant canopies but requires complex integrations for different combinations of leaf area index, incident radiation angle, and density function. This paper presents close approximations (R2 > 0.99) to compute the transmissivity and scattering functions for elliptical leaf angle distributions that can be more easily implemented into simulation models. © 2007 Elsevier B.V. All rights reserved.	en_US
dc.relation.ispartof	Agricultural and Forest Meteorology	en_US
dc.relation.isbasedon	10.1016/j.agrformet.2007.03.002	en_US
dc.subject.classification	Meteorology & Atmospheric Sciences	en_US
dc.title	Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions	en_US
dc.type	Journal Article
utslib.citation.volume	3-4	en_US
utslib.citation.volume	144	en_US
utslib.for	0705 Forestry Sciences	en_US
utslib.for	04 Earth Sciences	en_US
utslib.for	06 Biological Sciences	en_US
utslib.for	07 Agricultural and Veterinary Sciences	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Life Sciences
utslib.copyright.status	closed_access
pubs.issue	3-4	en_US
pubs.publication-status	Published	en_US
pubs.volume	144	en_US

Abstract:

The ability to simulate the surface energy balance and microclimate within a plant canopy is contingent upon accurate simulation of radiation exchange within the canopy. Accurate radiation simulations require some assumption of leaf angle distribution to compute transmissivity, reflection and scattering of radiation. The ellipsoidal leaf angle density function can very closely approximate real plant canopies but requires complex integrations for different combinations of leaf area index, incident radiation angle, and density function. This paper presents close approximations (R2 > 0.99) to compute the transmissivity and scattering functions for elliptical leaf angle distributions that can be more easily implemented into simulation models. © 2007 Elsevier B.V. All rights reserved.

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http://hdl.handle.net/10453/8519