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大气科学  2005 

多尺度空气质量模式系统及其验证Ⅱ.东亚地区对流层臭氧及其前体物模拟

DOI: 10.3878/j.issn.1006-9895.2005.06.08

Keywords: 光化,学臭氧,OH自由基,非甲烷烃

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Abstract:

利用一个多尺度空气质量模式系统对东亚地区2001年春季对流层臭氧及其前体物的输送与演变过程进行了模拟.为了检验模式系统模拟臭氧演变过程的能力,将模拟的臭氧浓度及其与之紧密相关的化学物种浓度,如OH自由基、HO2自由基、一氧化氮、二氧化氮、一氧化碳、乙烷和乙烯,与TRACE-P期间两架飞机在西北太平洋上空获取的大量观测资料进行了比较.比较结果表明,模拟值的平均值与相应的观测值具有相当好的一致性,且绝大多数模拟值在相应观测值的2倍范围之内;模拟的化学物种浓度的时空分布与观测结果基本相符;模式系统对于非甲烷烃中不同化学物种的输送与转化过程的处理是基本合理的,反映了光化学生成和平流层输送等过程对对流层臭氧浓度分布的影响.

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