Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau

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	Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau
	Cui, Xiaoyong 1,2,3; Gu, Song 1,2; Zhao, Xinquan 2; Wu, Jing 3; Kato, Tomomichi 4; Tang, Yanhong 1
	2008-01-07
发表期刊	AGRICULTURAL AND FOREST METEOROLOGY
卷号	148 期号:1 页码:144-151
文章类型	Article
摘要	We monitored UVA, UVB, and solar radiation from August 2001 to 2003 on the northern Qinghai-Tibetan Plateau to characterize the diurnal and seasonal variations of UV radiation on the world's highest plateau. Daily UVB radiation and the ratio of UVB to total solar radiation increased significantly when the atmospheric ozone concentration decreased as estimated by the total ozone mapping spectrometer (TOMS), as well as when cloud coverage decreased. The UVB/UVA ratio also showed a significant increase when the TOMS ozone concentration decreased in the morning. The seasonal variation pattern of UVB, however, was closely correlated with solar elevation but was little affected by the seasonal pattern of the atmospheric ozone amount. Compared to observations from the central plateau, the magnitude of the UVB increase attributed to ozone depletion was smaller at the northern edge. The study suggests that the temporal variation of ground UV radiation is determined by both solar elevation and the ozone amount, but the spatial difference on the plateau is likely to be ascribed mainly to the spatial variation of the ozone amount. (c) 2007 Published by Elsevier B.V.; We monitored UVA, UVB, and solar radiation from August 2001 to 2003 on the northern Qinghai-Tibetan Plateau to characterize the diurnal and seasonal variations of UV radiation on the world's highest plateau. Daily UVB radiation and the ratio of UVB to total solar radiation increased significantly when the atmospheric ozone concentration decreased as estimated by the total ozone mapping spectrometer (TOMS), as well as when cloud coverage decreased. The UVB/UVA ratio also showed a significant increase when the TOMS ozone concentration decreased in the morning. The seasonal variation pattern of UVB, however, was closely correlated with solar elevation but was little affected by the seasonal pattern of the atmospheric ozone amount. Compared to observations from the central plateau, the magnitude of the UVB increase attributed to ozone depletion was smaller at the northern edge. The study suggests that the temporal variation of ground UV radiation is determined by both solar elevation and the ozone amount, but the spatial difference on the plateau is likely to be ascribed mainly to the spatial variation of the ozone amount. (c) 2007 Published by Elsevier B.V.
关键词	Alpine Meadow Broadband Sensor Ozone Concentration Toms
WOS标题词	Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
学科领域	农业科学
关键词[WOS]	TOTAL OZONE ; ULTRAVIOLET-RADIATION ; IRRADIANCE ; INSTRUMENTS ; CHINA ; ATMOSPHERE ; TRENDS
收录类别	SCI
语种	英语
WOS研究方向	Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS类目	Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000253104400012
引用统计	被引频次：31[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/1235
专题	中国科学院西北高原生物研究所
作者单位	1.Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan 2.NW Inst Plateau Biol, Xining 810008, Peoples R China 3.Chinese Acad Sci, Coll Resources & Environment, Grad Sch, Beijing 100049, Peoples R China 4.Frontier Res Ctr Global Change, Kanazawa Ku, Yokohama, Kanagawa 2360001, Japan
推荐引用方式 GB/T 7714	Cui, Xiaoyong,Gu, Song,Zhao, Xinquan,et al. Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau[J]. AGRICULTURAL AND FOREST METEOROLOGY,2008,148(1):144-151.
APA	Cui, Xiaoyong,Gu, Song,Zhao, Xinquan,Wu, Jing,Kato, Tomomichi,&Tang, Yanhong.(2008).Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau.AGRICULTURAL AND FOREST METEOROLOGY,148(1),144-151.
MLA	Cui, Xiaoyong,et al."Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau".AGRICULTURAL AND FOREST METEOROLOGY 148.1(2008):144-151.

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