| OP-FTIR遥测北京地区大气中CH4浓度 |
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| 引用本文： | 魏秀丽,高闽光,陆亦怀,刘文清,刘建国,徐亮,张天舒,朱军.OP-FTIR遥测北京地区大气中CH4浓度[J].大气与环境光学学报,2007,2(4):274-278. |
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| 作者姓名： | 魏秀丽 高闽光 陆亦怀 刘文清 刘建国 徐亮 张天舒 朱军 |
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| 作者单位： | 中国科学院安徽光学精密机械研究所,安徽,合肥,230031 |
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| 基金项目： | 国家自然科学基金
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国家高技术研究发展计划(863计划) |
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| 摘 要： | 用开放式傅立叶变换红外光谱仪(FTIR)遥测了2005年北京地区秋季和冬季空气中CH4的浓度变化,两周实验数据的分析得出了CH4浓度的日变化趋势,并分析了CH4浓度的周末效应.CH4浓度变化主要受湍流和光化学反应的影响.CH4浓度变化和气象参数,如风速、风向、温度、相对湿度的相关性分析表明风向和风速能影响CH4浓度.讨论了秋季和冬季CH4源的不同,分析表明源和风向是影响北京大气CH4含量的重要因素.
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| 关 键 词： | CH4 开放式傅立叶变换红外光谱仪 周末效应 湍流和光化学反应 气象参数 CH4 open path Fourier transform infrared spectroscopy weekend effect turbulence and photochemical condition meteorologic parameters |
| 文章编号： | 1673-6141（2007）04-0274-05 |
| 收稿时间： | 2006/12/12 |
| 修稿时间： | 2006-12-122007-01-20 |
Remote Sensing of Atmospheric CH4 in Beijing with OP-FTIR |
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| WEI Xiu-li,GAO Min-guang,LU Yi-huai,LIU Wen-qing,LIU Jian-guo,XU Liang,ZHANG Tian-shu,ZHU Jun.Remote Sensing of Atmospheric CH4 in Beijing with OP-FTIR[J].Journal of Atmospheric and Environmental Optics,2007,2(4):274-278. |
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| Authors: | WEI Xiu-li GAO Min-guang LU Yi-huai LIU Wen-qing LIU Jian-guo XU Liang ZHANG Tian-shu ZHU Jun |
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| Institution: | Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China |
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| Abstract: | The remote-sensing experiments of CH_4 in the fall and the winter of 2005 spent about two weeks with open-path Fourier transform infrared spectroscopy(OP-FTIR)in Beijng.The two-week records of CH4 concentration were examined by means of the time-series analysis to elucidate the seasonal cycle.The weekend effect was analyzed.Turbulence and photochemical condition were the main factors to influence CH_4 concentration.Correlations between CH_4 concentration and meteorologic variety were also discussed such as wind speed,wind direction,temperature,relative humidity.It is revealed that wind speed and wind direction can affect CH_4 concentration.The origin of methane is discussed,and it's found that the origins and wind direction are important factors to influence CH_4 concentration. |
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| Keywords: | CH4 open path Fourier transform infrared spectroscopy weekend effect turbulence and photochemical condition meteorologic parameters |
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