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~7Be and ~(210)Pb radioactivity and implications on sources of surface ozone at Mt. Waliguan

机译:〜7Be和〜(210)Pb放射性及其对山顶地表臭氧源的影响。瓦里关

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摘要

Beryllium-7 (~7Be) and lead-210 (~(210)Pb) radioactivity in aerosols collected, from October 2002 to January 2004 at Mt. Waliguan, by the Global Atmospheric Watch (GAW) Station, Qinghai Province is presented. The data were analyzed together with simultaneously measured surface ozone concentrations. We found that short time variations of ~7Be and ~(210)Pb were linked to alternations of synoptic weather around the Mt. Waliguan region. ~(210)Pb showed the lowest concentration in summer while ~7Be showed no obvious seasonal changes. Relatively high ~7Be and ~(210)Pb radioactivity was observed at Mt. Waliguan when compared with the observations at other mountain sites in other parts of the world. Surface ozone and ~7Be showed a consistent seasonal variation. Surface ozone correlated fairly well with ~7Be/~9210)Pb ratio. This suggested that vertical transport from higher altitudes of the atmosphere has predominant effects on the budget of surface ozone at Mt. Waliguan.
机译:从2002年10月至2004年1月在Mt.Merland收集的气溶胶中的7铍(〜7Be)和210铅(〜(210)Pb)放射性。由青海省全球大气监测站(GAW)展示了瓦里关。将数据与同时测量的表面臭氧浓度一起进行了分析。我们发现〜7Be和〜(210)Pb的短时变化与Mt附近天气天气的变化有关。瓦里关地区。 〜(210)Pb在夏季最低,而〜7Be没有明显的季节变化。在Mt观察到相对较高的〜7Be和〜(210)Pb放射性。与世界其他地区其他山区的观测资料相比,Waliguan。表面臭氧和〜7Be表现出一致的季节变化。表面臭氧与〜7Be /〜9210)Pb比例相关性很好。这表明从高空大气层垂直输送对山顶地表臭氧的预算有主要影响。瓦里关。

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