光子学报, 2020, 49 (3): 0301002, 网络出版: 2020-04-24   

合肥地区温室气体柱浓度直接观测与卫星数据对比分析 下载: 647次

Analysis of Total Columns of Greenhouse Gas Based on Direct Observation and Comparison with Satellite Data in Hefei
作者单位
1 中国科学院安徽光学精密机械研究所 大气光学重点实验室, 合肥 230031
2 中国科学技术大学 研究生院科学岛分院, 合肥 230026
3 皖西学院 电气与光电工程学院, 安徽 六安 237012
4 卡尔斯鲁厄理工学院, 德国 卡尔斯鲁厄 76131
摘要
利用地基傅里叶变换光谱仪EM27/SUN观测了合肥地区H2O、CO2、CH4及CO四种气体分子的柱浓度.观测结果表明:合肥地区XH2O、XCO2在测量期间变化较大,H2O和CO2的变化幅度分别为1 353.17~5 289.43 ppm及409.22~415.05 ppm;XCH4和XCO两种气体分子的变化较小,其标准差均在10-2数量级;XH2O、XCO2、XCH4和XCO的平均值分别为2 109.10 ppm、411.59 ppm、1.87 ppm及0.13 ppm.将地基观测数据XCO2、XCH4分别与WACCM模式、GOSAT卫星数据进行了对比分析.结果表明,WACCM模式计算XCO2、XCH4的浓度比较稳定,仅在平均值附近有微幅变化,GOSAT卫星观测值略低于地基EM27/SUN的观测值,XCO2、XCH4相对偏差分别为0.45%和0.34%.利用GOSAT卫星数据分析了2010~2018年春季XCO2与XCH4的变化趋势,发现XCO2值从390.83 ppm增加到410.30 ppm,相对增长率为4.9%;XCH4值从1.802 ppm增加到1.869 ppm,相对增长率为3.7%.其结果可为追踪合肥及周边地区温室气体的源与汇提供科学依据.
Abstract
Observation of the total columns of H2O, CO2, CH4, and CO in Hefei is presented based on ground-based Fourier transform infrared spectrometer (EM27/SUN). The results show that, the XH2O and XCO2 vary greatly during the measurement period while the XCH4 and XCO vary slightly. The range of H2O and CO2 are 1 353.17~5 289.43 ppm and 409.22~415.05 ppm, at the same time, the standard deviation of XCH4 and XCO are in the order of 10-2. The average values of XH2O, XCO2, XCH4 and XCO are 2 109.10 ppm, 411.59 ppm, 1.87 ppm and 0.13 ppm respectively. The measured XCO2 and XCH4 are compared with the WACCM model and GOSAT satellite data, respectively. The comparison results show that the XCO2 and XCH4 calculated by WACCM model are relatively stable, with only slight changes near the average value. The GOSAT observations are slightly lower than those of EM27/SUN observations, with the relative deviations of XCO2 and XCH4 are 0.45% and 0.34%, respectively. The time series of the total column of XCO2 and XCH4 from 2010 to 2018 are analyzed by the GOSAT satellite data. It is found that the value of XCO2 increases from 390.83 ppm to 410.30 ppm, with a relative growth rate of 4.9%; the value of XCH4 increases from 1.802 ppm to 1.869 ppm, with a relative growth rate of 3.7%. The results may provide the theoretical basis for tracking the sources and sinks of greenhouse gases in Hefei and its surrounding areas.

刘丹丹, 黄印博, 曹振松, 卢兴吉, 孙宇松, 涂倩思. 合肥地区温室气体柱浓度直接观测与卫星数据对比分析[J]. 光子学报, 2020, 49(3): 0301002. Dan-dan LIU, Yin-bo HUANG, Zhen-song CAO, Xing-ji LU, Yu-song SUN, Qian-si TU. Analysis of Total Columns of Greenhouse Gas Based on Direct Observation and Comparison with Satellite Data in Hefei[J]. ACTA PHOTONICA SINICA, 2020, 49(3): 0301002.

本文已被 2 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!