Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions
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 scatte...
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| Veröffentlicht in: | Agricultural and forest meteorology 2007-06, Vol.144 (3), p.230-235 |
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| container_title | Agricultural and forest meteorology |
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| creator | Flerchinger, G.N. Yu, Qiang |
| description | 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 (
R
2
>
0.99) to compute the transmissivity and scattering functions for elliptical leaf angle distributions that can be more easily implemented into simulation models. |
| doi_str_mv | 10.1016/j.agrformet.2007.03.002 |
| format | Article |
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R
2
>
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R
2
>
0.99) to compute the transmissivity and scattering functions for elliptical leaf angle distributions that can be more easily implemented into simulation models.</description><subject>Agricultural and forest climatology and meteorology. Irrigation. Drainage</subject><subject>Agronomy. Soil science and plant productions</subject><subject>angle of incidence</subject><subject>Biological and medical sciences</subject><subject>canopy</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>incident radiation angle</subject><subject>leaf angle</subject><subject>leaf area index</subject><subject>light scattering</subject><subject>Long-wave radiation</subject><subject>mathematical models</subject><subject>microclimate</subject><subject>Multi-layer canopy</subject><subject>Multi-source canopy</subject><subject>PAR</subject><subject>plants</subject><subject>Short-wave radiation</subject><subject>simulation models</subject><subject>solar radiation</subject><subject>Surface energy balance</subject><subject>transmittance</subject><issn>0168-1923</issn><issn>1873-2240</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE1r3DAQhkVpIds0vyG6tDe7I8m25GMI_QgEekhzFrI82s7itV1J249_X5kN6TGnYeB53xkexq4F1AJE9_FQu30MSzxiriWArkHVAPIV2wmjVSVlA6_ZrpCmEr1UF-xtSgcAIbXudwwf6LhOFAhHjn_WiCnRMideCnl0I7lcVp68yxkjzXtOM_duXlbCxH9T_sFxmmhNC41u4hO6wN28n5CPlHKk4bTl0zv2Jrgp4dXTvGSPnz99v_1a3X_7cnd7c1_5RolcdUIFRO2HxnhADB68a1HJrjWjcAOCGY3wpmlaEM7IwSPoYKB10EnvB6Eu2Ydz7xqXnydM2R4p-fKhm3E5JStBG6m0ehEUfdc0vW4LqM-gj0tKEYNdIx1d_GsF2M2_Pdhn_3bzb0HZ4r8k3z-dcEXfFKKbPaX_caONArlx12cuuGWrKszjgwShSlcvtGwKcXMmsKj7RRht8oSzx5Ei-mzHhV785h-Ujqvz</recordid><startdate>20070608</startdate><enddate>20070608</enddate><creator>Flerchinger, G.N.</creator><creator>Yu, Qiang</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>20070608</creationdate><title>Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions</title><author>Flerchinger, G.N. ; Yu, Qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-613fee7cb48c0eefc0ca5e32658d1abe08d81c844501a82bce07f805a062ccb13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Agricultural and forest climatology and meteorology. Irrigation. Drainage</topic><topic>Agronomy. Soil science and plant productions</topic><topic>angle of incidence</topic><topic>Biological and medical sciences</topic><topic>canopy</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>incident radiation angle</topic><topic>leaf angle</topic><topic>leaf area index</topic><topic>light scattering</topic><topic>Long-wave radiation</topic><topic>mathematical models</topic><topic>microclimate</topic><topic>Multi-layer canopy</topic><topic>Multi-source canopy</topic><topic>PAR</topic><topic>plants</topic><topic>Short-wave radiation</topic><topic>simulation models</topic><topic>solar radiation</topic><topic>Surface energy balance</topic><topic>transmittance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Flerchinger, G.N.</creatorcontrib><creatorcontrib>Yu, Qiang</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Agricultural and forest meteorology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Flerchinger, G.N.</au><au>Yu, Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions</atitle><jtitle>Agricultural and forest meteorology</jtitle><date>2007-06-08</date><risdate>2007</risdate><volume>144</volume><issue>3</issue><spage>230</spage><epage>235</epage><pages>230-235</pages><issn>0168-1923</issn><eissn>1873-2240</eissn><coden>AFMEEB</coden><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 (
R
2
>
0.99) to compute the transmissivity and scattering functions for elliptical leaf angle distributions that can be more easily implemented into simulation models.</abstract><cop>Amsterdam</cop><cop>Oxford</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/j.agrformet.2007.03.002</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0168-1923 |
| ispartof | Agricultural and forest meteorology, 2007-06, Vol.144 (3), p.230-235 |
| issn | 0168-1923 1873-2240 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agricultural and forest climatology and meteorology. Irrigation. Drainage Agronomy. Soil science and plant productions angle of incidence Biological and medical sciences canopy Fundamental and applied biological sciences. Psychology General agronomy. Plant production incident radiation angle leaf angle leaf area index light scattering Long-wave radiation mathematical models microclimate Multi-layer canopy Multi-source canopy PAR plants Short-wave radiation simulation models solar radiation Surface energy balance transmittance |
| title | Simplified expressions for radiation scattering in canopies with ellipsoidal leaf angle distributions |
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