姓名:孙友文 性别: 男
职务:无 职称: 副研究员
学历: 博士 研究方向:环境光谱学
孙友文,男,博士,中科院合肥研究院安徽光机所研究所副研究员,2013年毕业于中国科学院安徽光学精密机械研究所,获博士学位,2013年至今,在中国科学院安徽光机所工作,2014年3月至2018年5月,先后在德国不莱梅大学、德国卡尔斯鲁厄理工学院、德国马普生物化学研究所、巴黎第六大学开展合作研究,主要从事工业污染源烟气排放多组份污染气体的探测与分析,环境大气中关键气体成分的高精度傅里叶变换光谱反演方法与长期观测。以第一作者或通讯作者在国内外刊物上发表论文30余篇,申请发明专利7项,并于2012年获得国家奖学金,2013年获得中科院院长奖学金。正在主持安徽省自然科学基金面上项目1项,国家自然科学基金青年项目1项,国家自然科学基金面上项目1项,科技部重点研发计划大气专项青年项目1项。
研究领域:工业污染源烟气排放多组份污染气体的探测与分析,温室气体地基便携式遥感,关键大气成分的高精度傅里叶变换光谱地基遥感与长期观测。主要开展大气关键含碳、硫、氮、氟、卤等污染气体空间分布和柱浓度反演技术。监测大气关键污染成分的突发变化,研究大气污染成分的变化趋势,分析变化背后的动力学过程和光化学过程,预测主要污染成分的演变过程,推测大气关键污染成分的源和汇,用于研究气候变化和大气污染机理。
主要研究方向:1、非分散红外光谱学技术,2、差分吸收光谱学技术,3、傅里叶变换红外光谱学技术,4,最优估计遥感反演算法。
研究成果:代表性文章
[1]Sun Youwen, Cheng Liu et al, Ozone seasonal evolution and photochemical production regime in polluted troposphere in eastern China derived from high resolution FTS observations,《Atmospheric Chemistry and Physics》, 2018.
[2] Sun Youwen, Mathias Palm et al., Sensitivity of instrumental line shape with respect to different optical attenuators and corresponding errors propagate into gas retrieval,《Atmospheric Measurement Techniques》, 2016.
[3] Sun Youwen, Cheng Liu et al, Industrial SO2 emission monitoring using a multi-channel gas analyzer with an optimized retrieval algorithm, 《Atmospheric Measurement Techniques》, 2015.
[4]Sun Youwen, Yuan Tianet al, Characterization of urban CO2 column abundance with a portable low resolution spectrometer (PLRS), 《Science of the Total Environment》, 2017.
[5]Sun Youwen, Yuan Tian et al, Characterisation of methane variability and trends from near-infrared solar spectra over Hefei, China,《Atmospheric Environment》, 2018.
[6] Wang Wei, Yuan Tian, Cheng Liu, Sun Youwen(*) et al, Investigating the performance of a greenhouse gas observatory in Hefei, China , 《Atmospheric Measurement Techniques》, 2017.
[7] Sun Youwen, Mathias Palm et al., Technical note: Sensitivity of instrumental line shape monitoring for the ground-based high-resolution FTIR spectrometer with respect to different optical attenuators,《Atmospheric Measurement Techniques》, 2017.
[8] Sun Youwen, Cheng Liu et al., Stack emission monitoring using non-dispersive infrared spectroscopy with optimized nonlinear absorption cross interference correction algorithm, 《Atmospheric Measurement Techniques》,2013.
[9] Sun Youwen, Mathias Palm et al., The influence of instrumental line shape degradation on NDACC gas retrievals: total column and profile, 《Atmospheric Measurement Techniques》, 2018.
[10] Sun Youwen, Mathias Palm et al., The influence of instrumental line shape degradation on partial columns of O3, CO, CH4 and N2O derived from high-resolution FTIR spectrometry, 《Remote Sensing》, 2018
[11] Sun Youwen, Wenqing Liuet al.,Method of sensitivity improving in the non-dispersive infrared gas analysis system,《Chinese Optics Letters》, 2011.
[12] Sun Youwen, Wenqing Liu et al., Water Vapor Interference Correction in a Non Dispersive Infrared Multi-Gas Analyzer,《Chinese Physics Letters》, 2011.
[13] Sun Youwen, Wenqing Liu et al., Cross-interference correction and simultaneous multi-gas analysis based on IR absorption, 《Chinese Physics B》, 2012.
[14] Ruwen Wang, PinhuaXie, Jin Xu, Youwen Sun(*) et al., Observation of CO2 Regional Distribution Using an Airborne Infrared Remote Sensing Spectrometer (Air-IRSS) in the North China Plain,《Remote Sensing》, 2019.
论文专利等:
[1]汪世美,孙友文,刘文清等,非分散红外多组份烟气分析仪,2013.2,发明专利,专利号:201110043686.9
[2] 刘文清,孙友文,谢品华等,多组份气体分析的干扰修正与浓度反演方法, 2013.4,发明专利,专利号:201110044487.x
[3] 孙友文,谢品华,徐晋等,一种加快温室气体垂直柱浓度反演速度的方法, 2014.1,发明专利,专利号:201410033504.3
[4] 孙友文,谢品华,徐晋等,一种提高温室气体浓度反演精度的方法, 2014.1,发明专利,专利号:201410033541.4
[5] 孙友文,谢品华,徐晋等,直射太阳光谱反演环境大气中CO2垂直柱浓度的方法,2014.2,发明专利,专利号:201410050777.9
[6] 孙友文,谢品华,徐晋等,二氧化碳便携式红外遥测装置,2014.7,发明专利,专利号:201410050777.9
[7] 孙友文,田园,刘诚等,一种统计分析大气甲烷长期变化趋势和季节变化规律的方法,2017.12,发明专利,专利号:201711276691.8