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中国科学院合肥物质科学研究院谢品华团队在重霾环境下MAX-DOAS反演算法研究方面取得新进展将为重污染条件下开展MAX-DOAS观测提供重要依据（图）
重霾环境 MAX-DOAS 反演算法
2021/10/18
近期，中国科学院合肥物质科学研究院安光所谢品华研究员科研团队在重霾环境下地基多轴差分光学吸收光谱（MAX-DOAS）观测气溶胶和二氧化氮立体分布研究方面取得新进展，相关研究工作以《基于辐射传输模型模拟评估不同气溶胶条件下MAX-DOAS廓线算法反演气溶胶和痕量廓线》为题发表于期刊Atmospheric Chemistry and Physics上。
近期，安光所谢品华研究员课题组在MAX-DOAS观测HCHO研究方面取得新进展，相关研究工作以《2014年APEC期间基于北京郊区地基MAX-DOAS观测对流层HCHO VCD以及与CAMS模型对比》（Ground-based MAX-DOAS observations of tropospheric formaldehyde VCDs and comparisons with the CAMS ...
Perspectives of 2D and 3D mapping of atmospheric pollutants over urban areas by means of airborne DOAS spectrometers
DOAS applications in urban areas atmospheric pollutants tomography aircraft measurements of atmospheric trace gases
2015/9/7
In the field of air quality control, optical remote sensing systems can measure the spatial distribution of gas pollutants, offering numerous advantages over conventional networks of in situ analysers...
BrO/SO2 molar ratios from scanning DOAS measurements in the NOVAC network
BrO/SO2 molar ratios scanning DOAS measurements NOVAC network
2015/1/6
The molar ratio of BrO to SO2 is, like other halogen/sulfur ratios, a possible precursor for dynamic changes in the shallow part of a volcanic system. While the predictive significance of the BrO/SO2 ...
多轴差分吸收光谱技术(MAX-DOAS)作为一种观测痕量气体成分的地基遥感手段，在反演过程中利用天顶谱扣除了平流层的影响，因而对底层大气的测定较为敏锐。采用地基被动MAX-DOAS在2011年7月5日—8月1日对北极新奥尔松地区的NO2柱浓度进行观测。观测期间4个离轴观测角的NO2差分斜柱浓度(DSCDs)结果显示，NO2主要集中在对流层底部。观测期间新奥尔松地区NO2的平均混合比为1.023E1...
中国科学院安徽光学精密机械研究所环境光学中心产品：多轴差分吸收光谱（MAX-DOAS）在线监测系统（图）
中国科学院 安徽光学精密机械研究所 环境光学中心产品 多轴差分吸收光谱（MAX-DOAS）在线监测系统
2011/4/20
基于痕量气体成份对太阳散射光（紫外/可见）的“指纹”特征吸收实现定性和定量测量，可同时测量多种气体成份。
中国科学院安徽光学精密机械研究所环境光学中心产品：大气成分差分光学吸收光谱（DOAS）在线监测系统（图）
中国科学院 安徽光学精密机械研究所 环境光学中心产品 大气成分差分光学吸收光谱（DOAS）在线监测系统
2011/4/20
原理：基于痕量气体成份对光辐射（紫外/可见）的“指纹”特征吸收实现定性和定量测量，可同时测量多种气体成份。 用途：★城市空气质量监测 ★污染源排放实时监测 ★大气背景的监测 ★道路交通上方的空气质量实时监测 ★居民小区的空气质量监测 ★机场上方空气质量监测。
基于扫描DOAS系统对北京城市大气中甲醛的梯度测量与分析
扫描差分吸收光谱技术(DOAS) HCHO 垂直廓线
2011/5/17
利用扫描长程DOAS(差分吸收光谱技术)系统结合气象高塔于2009年7月28日至8月13日开展了测量大气污染物廓线的外场实验，对北京市大气中的SO2，NO2，O3，HCHO，HONO五种痕量气体进行实时监测，获得了HCHO等污染物的浓度时间序列及垂直梯度时间序列。通过分析HCHO气体的垂直分布频率特征，并结合其他气体及气象数据讨论了大气中HCHO主要来源问题，监测站点附近大气HCHO的来源中交通排...
Observations of the 2008 Kasatochi volcanic SO2 plume by CARIBIC aircraft DOAS and the GOME-2 satellite
the 2008 Kasatochi volcanic SO2 plume CARIBIC aircraft DOAS the GOME-2 satellite
2010/8/13
The 2008 Kasatochi volcanic eruption emitted ≈1.5–2.5 Tg SO2 into the upper troposphere and lower stratosphere. Parts of the main volcanic plume (gases and particles) reached central Europe a week aft...
Technical Note: Using a high finesse optical resonator to provide a long light path for differential optical absorption spectroscopy: CE-DOAS
a high finesse optical resonator differential optical absorption spectroscopy CE-DOAS
2010/8/12
Cavity enhanced methods in absorption spectroscopy have seen a considerable increase in popularity during the past decade. Especially Cavity Enhanced Absorption Spectroscopy (CEAS) established itself ...
MAX-DOAS measurements in southern China: retrieval of aerosol extinctions and validation using ground-based in-situ data
MAX-DOAS measurements southern China aerosol extinctions and validation ground-based in-situ data
2010/8/11
We performed MAX-DOAS measurements during the PRiDe-PRD2006 campaign in the Pearl River Delta region 50 km north of Guangzhou, China, for 4 weeks in June 2006. We used an instrument sampling at 7 diff...
MAX-DOAS measurements in southern China:retrieval of aerosol extinctions and validation using ground-based in-situ data
MAX-DOAS measurements southern China aerosol extinctions ground-based in-situ data
2010/3/5
We performed MAX-DOAS measurements during the PRiDe-PRD2006 campaign in the Pearl River Delta region 50 km north of Guangzhou, China, for 4 weeks in June 2006. We used an instrument sampling at 7 diff...
The spatial distribution of the reactive iodine species IO from simultaneous active and passive DOAS observations
spatial distribution reactive iodine species IO DOAS observations
2010/3/5
We present investigations of the reactive iodine species (RIS) IO, OIO and I2 in a coastal region from a field campaign simultaneously employing active long path differential optical absorption spectr...
Comparison of aromatic hydrocarbon measurements made by PTR-MS, DOAS and GC-FID during the MCMA 2003 Field Experiment
PTR-MS DOAS GC-FID MCMA
2010/2/21
A comparison of aromatic hydrocarbon measurements is reported for the CENICA supersite in the district of Iztapalapa during the Mexico City Metropolitan Area field experiment in April 2003 (MCMA 2003)...