基于多普勒激光雷达的2011年春季北京地区气溶胶探测实验分析
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- 英文论文题名：Doppler lidar observation of aerosols over Beijing during spring 2011
- 论文作者：靳磊 ; 吴松华 ; 陈玉宝 ; 闫宝东 ; 宋小全 ; 刘秉义 ; 刘智深
- 英文论文作者：JIN Lei ; WU Song-hua ; CHEN Yu-bao ; YAN Bao-dong ; SONG Xiao-quan ; LIU Bing-yi ; LIU Zhi-shen ; Ocean Remote Sensing Institute ; Ocean University of China ; Meteorological Observation Centre ; China Meteorological Administration
- 年：2012
- 作者机构：中国海洋大学海洋遥感研究所;中国气象局气象探测中心;
- 论文关键词：大气光学 ; 激光雷达 ; 气溶胶 ; Fernald法 ; 光学厚度
- 英文论文关键词：atmospheric optics ; lidar ; aerosol ; Fernald method ; optical thickness
- 会议召开时间：2012-10-15
- 会议录名称：第二届中国激光雷达学术会议论文集
- 语种：中文
- 分类号：X513;X87
- 学会代码：LZZS
- 会议名称：第二届中国激光雷达学术会议
- 会议地点：中国山东青岛
- 主办单位：中国科学院合肥物质科学研究院、中国科学院上海光学精密机械研究所、中国科学院大气物理研究所、武汉大学、中国海洋大学、西安理工大学
- 学会名称：《量子电子学报》编辑部
- 页数：6
- 文件大小：403k
- 原文格式：O
- 会议级别：全国
摘要
介绍了多普勒激光雷达于2011年3月21日至4月19日期间在北京南郊进行的观测实验,利用Fernald方法对气溶胶消光系数进行了反演和重点分析。结合同一时段探空气球得到的数据,分析大气结构及其变化。观测数据表明:在晴朗无云并且大气较为清洁的条件下,气溶胶消光系数从低空向高空平缓递减;遇到多云天气,气溶胶消光系数会在云层处增大;另外,低空的气溶胶消光系数有较明显的日变化特征,早上相较于晚上要低些。实验期间,地面至10 km的气溶胶平均光学厚度在0.52。
Doppler lidar observation carried out in the southern suburbs of Beijing from March 21,to April19,2011,was presented focusing on analysis of the aerosol extinction coefficient retrieved by the Fernald method.Combined with data obtained by the radiosonde at the same period,it illustrates the characteristics and changes of aerosols in the boundary layer and lower stratosphere.Observational data indicates that in the cloudless and clear day,aerosol extinction coefficient descends gradually from low to high altitude.In cloudy weather,aerosol extinction coefficient increases at the cloud layer.In addition,the low-altitude aerosol extinction coefficient has apparent diurnal variation characteristics that aerosol extinction coefficient in the morning is lower than that of evening.During the experiment,the mean optical thickness from the ground to 10 km is 0.52.
Doppler lidar observation carried out in the southern suburbs of Beijing from March 21,to April19,2011,was presented focusing on analysis of the aerosol extinction coefficient retrieved by the Fernald method.Combined with data obtained by the radiosonde at the same period,it illustrates the characteristics and changes of aerosols in the boundary layer and lower stratosphere.Observational data indicates that in the cloudless and clear day,aerosol extinction coefficient descends gradually from low to high altitude.In cloudy weather,aerosol extinction coefficient increases at the cloud layer.In addition,the low-altitude aerosol extinction coefficient has apparent diurnal variation characteristics that aerosol extinction coefficient in the morning is lower than that of evening.During the experiment,the mean optical thickness from the ground to 10 km is 0.52.
引文
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[14]Mao Jietai,Li Chengcai,Zhang Junhua,et al.The comparison of remote sensing aerosol optical depth from MODIS data and ground sun-photometer observations[J].Journal of Applied Meteorological Science(应用气象学报),2002,13:127-135(in Chinese).
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[16]http://isccp.giss.nasa.gov/[OL].
[2]Luo Yunfeng,Li Weiliang,Zhou Xiuji.Analysis of the 1980's atmospheric aerosol optical depth over China[J].Acta Meteorological Sinca(气象学报),2001,59(1):77-86(in Chinese).
[3]Li Hongjing.Study of Atmospheric Extinction Properties over Suzhou City with 1064 nm Lidar(苏州城区1064 nm激光雷达大气消光特性的研究)[D].Suzhou:Suzhou University,2005:14-15(in Chinese).
[4]He Qianshan,Mao Jietai.Observation of urban mixed layer at Beijing using a micro pulse lidar[J].Acta Meteorological Sinica(气象学报),2005,63(3):374-384(in Chinese).
[5]Qiu Jinheng,Zheng Siping,Huang Qirong,et al.Lidar measurements of cloud and aerosol in the upper troposphere in Beijing[J].Chinese Journal of Atmospheric Sciences(大气科学),2003,27(1):1-7(in Chinese).
[6]Fernald F G.Analysis of atmosphere lidar observation:Some comments[J].Appl.Opt.,1984,23:652-655.
[7]Klett J D.Stable analytical inversion solutions for processing lidar returns[J].Appl.Opt.,1981,20:211-220.
[8]Qiu Jinhuan.Two-wavelength lidar measurement of cloud-aerosol optical properties[J].Adv.Atmos.Sci.,1995,12:176-177.
[9]Wang Xiangchuan,Rao Ruizhong.Lidar ratios for atmospheric aerosol and cloud particals[J].Chinese Journal of Lasers(中国激光),2005,32(10):1321-1324(in Chinese).
[10]Chiara Levoni,Marco Cervino,Rodolfo Guzzi,et al.Atmospheric aerosol optical properties:A database of radiative characteristics for different components and classes[J].Appl.Opt.,1997,36(30):8031-8041.
[11]Hess M,Koepke P,Schult I.Optical properties of aerosols and clouds:The software package OPAC[J].Bull.Amer.Meteor.Soc,1998,79(5):831-844.
[12]Liu Z S,et al.High spatial and temporal resolution mobile incoherent Doppler lidar for sea surface wind measurements[J].Opt.Lett.,2008,33(13):1485-1487.
[13]Shen Yanbo,Shen Zhibao,Wang Wanfu.Atmospheric aerosol optical thickness and dusty weather in northern China in spring of 2001[J].Plateau Meteorology(高原气象),2003,22(2):185-190(in Chinese).
[14]Mao Jietai,Li Chengcai,Zhang Junhua,et al.The comparison of remote sensing aerosol optical depth from MODIS data and ground sun-photometer observations[J].Journal of Applied Meteorological Science(应用气象学报),2002,13:127-135(in Chinese).
[15]Qiu Yun,Xu Jindian,et al.Temperature inversion in the Taiwan strait during northeast monsoon[J].Acta Oceanologica Sinica(海洋学报),2012,34(2):13-22(in Chinese).
[16]http://isccp.giss.nasa.gov/[OL].
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