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Position: Home > Articles > 4 Ornamental Tree Species Screening Effects to Ultraviolet Journal of Fujian Forestry Science and Technology 2010,37 (1) 46-48

4个观赏树种对紫外线屏蔽效应的研究

作  者:
杨华;沈建军;宋绪忠;兰红星
单  位:
浙江松阳县林业技术推广站;浙江省林业科学研究院
关键词:
观赏树种;太阳总辐射;UVA辐射;UVB辐射;屏蔽效率
摘  要:
应用地表植被光谱仪测定紫薇、山茱萸、柳叶栎、北美红栎4个观赏树种的光谱日变化特征。结果表明:各树种对太阳总辐射屏蔽效率的日变化呈"增加"的趋势,对UVA辐射、UVB辐射屏蔽效率的日变化呈"增加—降低"的趋势。80%以上的太阳总辐射、UVA辐射、UVB辐射都被屏蔽,4个树种具有良好的屏蔽紫外线辐射的功能;紫薇对太阳总辐射、UVA辐射、UVB辐射屏蔽效率都最高。
译  名:
4 Ornamental Tree Species Screening Effects to Ultraviolet
作  者:
YANG Hua1,SHEN Jian-jun1,SONG Xu-zhong1,LAN Hong-xing2(1.Zhejiang Academy of Forestry,Hangzhou 310023,Zhejiang,China;2.Zhjiang Songyang Forestry Forest Technology Extension Station,Songyang 323400,Zhejiang,China)
关键词:
ornamental tree species;total solar radiation,UVA radiation;UVB radiation;screening effect
摘  要:
Spectrum diurnal variations of Lagerstroemia indica,Cornus officeinalis,Quercus phellos,Quercus rubra were measured by using SpectroSense.Diurnal variations of four species screening effects to total solar radiation showed the increasing trend,while screening effects to UVA and UVB showed increasing-decreasing trends.They could screen more than 80 percents of total solar radiation,UVA and UVB.The four species had good function of screening to ultraviolet,Lagerstroemia indica had the highest screening effects to total solar radiation,UVA and UVB.

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