大气有机碳和元素碳测量热光透射法和热光反射法对比研究

大气与环境光学学报 ›› 2011, Vol. 6 ›› Issue (6): 450-456.

大气有机碳和元素碳测量热光透射法和热光反射法对比研究

申永^1,2，刘建国¹，陆钒¹，丁晴¹，石建国¹

1中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室，安徽合肥 230031；
2 中国科学院研究生院，北京 100039

出版日期:2011-11-28 发布日期:2011-11-18
作者简介:申永（1985 - ），男，汉族，湖南隆回县人，在读硕士，从事环境监测精密仪器研究 yshen@aiofm.ac.cn
基金资助:
国家“863”计划资助项目（2006AA06A302）

Comparison of Thermal-Optical Transmission and Thermal-Optical Reflectance Methods of Measurement of Organic and Elemental Carbon in Atmospheric Aerosol

SHEN Yong^1,2， LIU Jian-Guo¹，LU fan¹，DING qing¹，SHI Jian-Guo¹

1 Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, China;
2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Published:2011-11-28 Online:2011-11-18

摘要/Abstract

摘要：

大气有机碳(OC)和元素碳(EC)因其独特的环境、气候效应以及对人类健康的影响而成为世界各国环境科学家共同关注的热点。热光法是OC、EC公认较成熟的测量方法，根据使用的光学修正方法不同，分为热光透射法(TOT)和热光反射法(TOR)，两种方法测量原理相近，但所得测量结果相差较大。通过深入分析热光法的测量原理，研制了热光透射法和热光反射法模拟实验平台，通过对比实验发现导致二者测量结果差异的原因是TOR的激光分割点要比TOT的提前一些。

关键词: 热光透射法, 热光反射法, 有机碳, 元素碳, 激光分割点

Abstract:

Organic carbon (OC) and elemental carbon (EC) in atmospheric aerosols play a major role in environment, climate and human health effects. At present, thermal-optical method is acknowledged to be a more mature method for measuring the OC and EC, which can be divided into two methods, thermal-optical transmission (TOT) method and thermal-optical reflectance (TOR) by the optical correction way. Theory of the two methods is almost the same, but the measuring results are different obviously. Therefore, a thermal-optical transmission and reflection simulating experiment platform are developed by deeply understanding the theory of thermal-optical method. Through contrast experiment, it is indicated that the reason leading to the obvious difference between the two methods is that TOR laser split come more early than TOT.

Key words: thermal-optical transmission, thermal-optical reflectance, organic carbon, elemental carbon, laser split

中图分类号:

X851

申永，刘建国，陆钒，丁晴，石建国. 大气有机碳和元素碳测量热光透射法和热光反射法对比研究[J]. 大气与环境光学学报, 2011, 6(6): 450-456.

SHEN Yong， LIU Jian-Guo，LU fan，DING qing，SHI Jian-Guo. Comparison of Thermal-Optical Transmission and Thermal-Optical Reflectance Methods of Measurement of Organic and Elemental Carbon in Atmospheric Aerosol[J]. Journal of Atmospheric and Environmental Optics, 2011, 6(6): 450-456.

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