基于MAX-DOAS的大气对流层SO2垂直柱浓度遥测

大气与环境光学学报 ›› 2017, Vol. 12 ›› Issue (1): 33-42.

• “先进环境监测技术与设备”专辑 • 上一篇下一篇

基于MAX-DOAS的大气对流层SO2垂直柱浓度遥测

田鑫1，2，李昂2*，徐晋2，谢品华1,2,3, 牟福生2, 吴丰成2，胡肇焜2，张琼2, 王汝雯2

(1.中国科学技术大学环境科学与光电技术学院，安徽合肥，230026；
2.中国科学院安徽光学精密机械研究所，环境光学与技术重点实验室，安徽合肥，230031;
3. 中国科学院区域大气环境研究卓越创新中心,福建厦门, 361021）

收稿日期:2016-07-01 修回日期:2016-10-08 出版日期:2017-01-28 发布日期:2017-01-13
通讯作者: 谢品华（1968-），女，汉族，安徽省屯溪县人，研究员, 主要从事环境光谱探测方面的研究。 E-mail:angli@aiofm.ac.cn
作者简介:田鑫 (1990-),女,汉族,山西省和顺县人，博士研究生，主要从事环境监测方面的研究。
基金资助:
Supported by National High Technology Research and Development Program of China(国家863计划, 2014AA06A508, 2014AA06A511), National Natural Science Foundation of China(国家自然科学基金, 41530644, 41405033） , Anhui Natural Science Foundation(安徽省自然科学基金, 1508085QD71)

Measuring Tropospheric Vertical Column Density of SO2 by Multi-Axis Differential Optical Absorption Spectroscopy

TIAN Xin1，2, LI Ang2*, XU Jin2, XIE Pinhua1,2,3, MOU Fusheng2, WU Fengcheng2, HU Zhaokun2, ZHANG Qiong2, WANG Ruwen2

（1. School of Environmental Science and Optoeclectronic Technology, University of Science and Technology of China, Hefei 230026, China;
2. Key Laboratory of Environmental Optical and Technology, Anhui Institute of Optics and Fine Mechanies, Chinese Academy of Science, Hefei 230031, China;
3. CAS Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China）

Received:2016-07-01 Revised:2016-10-08 Published:2017-01-28 Online:2017-01-13

摘要/Abstract

摘要：

基于多轴差分吸收光谱技术（MAX-DOAS）获得了对流层SO2垂直柱浓度。采用不同参考谱和不同波段来获得SO2差分斜柱浓度，通过对比发现，当圈天顶光谱作为参考谱的反演误差最小，且全天相对稳定波动小，误差小于5%。通过六个波段的对比选取了最优反演波段为307.5~315 nm。结合地面气象数据对2015年10月14日~18日的污染过程进行了研究，数据分析表明风速和风向是影响监测点SO2浓度的两个重要因素，城市和电厂产生的SO2会在东风和南风的影响下向监测点输送。通过研究表明，MAX-DOAS能够准确反演大气对流层SO2垂直柱浓度信息，对于探究城市大气对流层SO2垂直柱浓度、卫星校验、模型校验以及污染输送的研究具有重要意义。

关键词: 多轴差分吸收光谱技术, 对流层SO2垂直柱浓度, 最优反演波段, 输送

Abstract:

The vertical column density (VCD) of tropospheric SO2 was obtained by using multi-axis differential optical absorption spectroscopy (MAX-DOAS). And differential slant column density (dSCD) of SO2 was got by using different reference spectra and different wave bands. By comparison, the error and the variation of error was minimum when using the sequential reference, and the error was less than 5%.. Six wave bands were selected and compared to determine the optimal retrieval wave band which was 307.5~315nm. Combined with meteorological data, a contamination process from 14th to 18th, October, 2015 was studied. The data analysis showed that wind speed and wind direction were two important factors affecting the concentration of SO2 in monitoring site. The SO2 produced from city and power plants was transported to monitoring site under the influence of east and south wind. According to the research, MAX-DOAS can accurately inverse the atmospheric SO2 VCD, which has great significance for exploring the tropospheric SO2 VCD of the city, satellite calibration, model validation and studying pollution transportion.

Key words: multi-axis differential optical absorption spectroscopy, vertical column density of tropospheric SO2, optimal retrieval wave band, transportion

中图分类号:

X831

田鑫李昂徐晋谢品华牟福生吴丰成胡肇焜张琼王汝雯. 基于MAX-DOAS的大气对流层SO2垂直柱浓度遥测[J]. 大气与环境光学学报, 2017, 12(1): 33-42.

TIAN Xin, LI Ang, XU Jin, XIE Pin-Hua, MOU Fu-Sheng, WU Feng-Cheng, HU Zhao-Kun, ZHANG Qiong, WANG Ru-Wen. Measuring Tropospheric Vertical Column Density of SO2 by Multi-Axis Differential Optical Absorption Spectroscopy[J]. Journal of Atmospheric and Environmental Optics, 2017, 12(1): 33-42.

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基于MAX-DOAS的大气对流层SO2垂直柱浓度遥测

Measuring Tropospheric Vertical Column Density of SO2 by Multi-Axis Differential Optical Absorption Spectroscopy

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