Biologically effective ultraviolet radiation in Beijing area
Biologically effective ultraviolet radiation in Beijing area作者机构：Research Center for Eco-Environmental Sciences Chinese Academy of Sciences Beijing 100085 China. China
出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)
年 卷 期：1993年第5卷第2期
页 面：216-223页
核心收录：
学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学]
主 题：UV-B biological efftent zone aerosol Beijing.
摘 要：Ozone layer depletion implies the enhancement of solar ultraviolet radiation at the earth s surface. However, aerosol contributes to the scattering of solar radiation and leads to the reduction of UV-B radiation on the ground. In this paper, the model calculation shows that due to effects of atmospheric ozone and aerosol UV-B radiation in Beijing in the past decade has decreased with the annual change rate of 0.7%, which is probably approximate to the measured values. The effects of three scenarios for long-term changes in atmospheric ozone and aerosol concentrations on UV-B radiation reaching the ground in are also discussed.
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