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利用OH夜气辉反演原子氧数密度时输入参数的不确定度对反演结果的影响
Impact of the Uncertainties of Input Parameters on the Atomic Oxygen Density Derived From OH Nightglow

查看参考文献20篇

文摘 借助OH夜气辉辐射的光化学模式,由OH夜气辉辐射反演中间层-低热层区域的原子氧数密度时,输入参数的不确定性将导致反演得到的原子氧数密度具有不确定性.以在sudden death猝灭模式下通过OH_((8-3))振动带体辐射率反演原子氧数密度为例,分别研究了大气参数和OH气辉辐射率的不确定度引起的反演不确定度、化学反应速率常数的不确定度引起的反演不确定度,以及所有输入参数的不确定度共同引起的反演不确定度,找出其不确定度对反演结果影响最大的参数.结果表明,三种反演不确定度均随着高度的升高而增大,温度和体辐射率的不确定度对第一种反演不确定度的贡献最大,反应速率常数b_((8))和A_((8-3))、的不确定度对第二种反演不确定度的贡献最大.
其他语种文摘 When the atomic oxygen density in the mesosphere and lower thermosphere region is derived by means of photochemical model calculations from OH nightglow emissions, a retrieval uncertainty, i.e. uncertainty of the density values obtained this way arises from the uncertainties of the input parameters. The retrieval uncertainty due to the uncertainties of atmospheric parameters and OH_((8-3)) band volume emission rate, the retrieval uncertainty due to the uncertainties of rate coefficients, and the retrieval uncertainty due to the uncertainties of all input parameters are analyzed using as an example the sudden death quenching model for OH airglow. The parameters the uncertainties of which have the largest contributions to retrieval uncertainty are found. The results show that all three retrieval uncertainties increase with altitude. The retrieval uncertainties caused by the uncertainties of the temperature and emission rate yield the largest contributions to the first retrieval uncertainty. The retrieval uncertainties caused by the uncertainties of the coefficients 6_((8)) and A_((8-3)) yield the largest contributions to the second retrieval uncertainty.
来源 空间科学学报 ,2009,29(3):304-310 【核心库】
关键词 OH夜气辉 ; 原子氧数密度 ; 反演不确定度 ; 输入参数
地址

1. 中国科学院空间科学与应用研究中心, 空间天气学国家重点实验室, 北京, 100190  

2. Kayser-Threde GmbH, 德国, Munich  

3. Institute of Solar-Terrestrial Physics, Siberian Branch of the Russian Academy of Sciences, 苏联, Irkutsk

语种 中文
文献类型 研究性论文
ISSN 0254-6124
学科 地球物理学
基金 国家自然科学基金 ;  国家自然科学基金委员会-俄罗斯基础研究基金会合作与交流项目 ;  空间天气学国家重点实验室青年基金
文献收藏号 CSCD:3523086

参考文献 共 20 共1页

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