基于短波红外波段吸收的CO2垂直柱浓度地基遥测反演方法研究

大气与环境光学学报 ›› 2017, Vol. 12 ›› Issue (1): 22-32.

• “先进环境监测技术与设备”专辑 • 上一篇下一篇

基于短波红外波段吸收的CO2垂直柱浓度地基遥测反演方法研究

王汝雯1,2, 徐晋1*, 李昂1, 谢品华1,3,4

( 1 中国科学院安徽光学与精密机械研究所环境光学与技术重点实验室，安徽合肥230031;
2 中国科学技术大学研究生院，安徽合肥 230026;
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;
4 中国科学技术大学环境科学与光电技术学院，安徽合肥230026)

收稿日期:2016-07-13 修回日期:2016-10-12 出版日期:2017-01-28 发布日期:2017-01-13
通讯作者: 王汝雯 (1991-)，汉族，山东潍坊人，硕士研究生，主要从事红外DOAS测温室气体方面的研究。邮箱 E-mail:jxu@aiofm.ac.cn
作者简介:王汝雯 (1991-)，汉族，山东潍坊人，硕士研究生，主要从事红外DOAS测温室气体方面的研究。
基金资助:
Supported by National High Technology Research and Development Program of China （国家863计划， 2014AA06A508）, National Natural Science Foundation of China ( 国家自然科学基金, 41530644, 41405033）

Research on Remote Sensing Inversion Method of CO2 Vertical Column Density Based on Short Wave Infrared Absorption Technology

WANG Ruwen1,2, XU Jin1*, LI Ang1, XIE Pinhua1,3,4

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

Received:2016-07-13 Revised:2016-10-12 Published:2017-01-28 Online:2017-01-13

摘要/Abstract

摘要：

温室气体引起的全球变暖、气候变化等问题已成为国际关注的热点，其中CO2是重要的温室气体之一，CO2的监测与控制已经成为各国关注的重点。结合CO2在1.6 μm处的光谱吸收结构，利用加权函数修正的差分吸收光谱技术（weighted function modified difference absorption spectroscopy, WFM-DOAS）研究大气中CO2垂直柱浓度的反演方法。利用大气辐射传输模型仿真研究了不同参数对加权函数（weighted function, WF）计算灵敏度的影响，分别对观测高度、太阳天顶角、太阳方位角、地表反照率、光谱分辨率等参数对CO2 WF系数的影响进行了详细的计算分析。并以一整天测量的太阳光为例，对仪器的性能、CO2的垂直柱浓度及干扰气体CH4及H2O的垂直柱浓度进行了分析，初步分析得到的反演误差优于1%。

关键词: 温室气体, 加权函数修正的差分吸收光谱技术, 仿真, 灵敏度

Abstract:

Global warming, climate change and other issues caused by greenhouse gases have been the hotspot of international concern. CO2 is one of the important greenhouse gas, monitoring and controling of CO2 have been the focus of all countries. Based on the spectral absorption structure of CO2 in the 1.6 um, the retrieval algorithm applied to obtain the CO2 column information from spectroscopic measurements was researched by using the weighted function modified difference absorption spectroscopy (WFM - DOAS) method. Based on atmospheric radiative transfer model, effects of the parameters on the sensitivity of the weighted function (WF) calculation were studied and simulated. The influence of different parameters on CO2 WF coefficient is calculated and analyzed in detail, including observation height, the solar zenith angle, solar azimuth, surface albedo, spectral resolution and so on. And based on the sunlight spectrum of zenith direction, the performance of the instrument, CO2 vertical column concentration and disturbance, and CH4 and H2O vertical column concentration were analyzed. And a preliminary analysis of the inversion error is better than 1%.

Key words: greenhouse gas, weighted function modified difference absorption spectroscopy, imulation, sensitivity

中图分类号:

X831

王汝雯徐晋李昂谢品华. 基于短波红外波段吸收的CO2垂直柱浓度地基遥测反演方法研究[J]. 大气与环境光学学报, 2017, 12(1): 22-32.

WANG Ru-Wen, XU Jin, LI Ang, XIE Pin-Hua. Research on Remote Sensing Inversion Method of CO2 Vertical Column Density Based on Short Wave Infrared Absorption Technology[J]. Journal of Atmospheric and Environmental Optics, 2017, 12(1): 22-32.

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基于短波红外波段吸收的CO2垂直柱浓度地基遥测反演方法研究

Research on Remote Sensing Inversion Method of CO2 Vertical Column Density Based on Short Wave Infrared Absorption Technology

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