利用细模态气溶胶光学厚度估计PM_(2.5)
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摘要
本文利用2013年1月AERONET(Aerosol Robotic Network)北京站的气溶胶光学厚度AOD(Aerosol Optical Depth)、细颗粒物光学厚度占总光学厚度的比例即气溶胶细模态比例η以及地面监测的细颗粒物PM2.5(Particulate Matter 2.5)质量浓度数据建立气溶胶细模态光学厚度AODf(fine-mode Aerosol Optical Depth)与PM2.5的线性回归关系,并利用2013年2月1日—15日的数据验证该方法。结果表明,利用2013年1月建立的回归方法能够有效估算灰霾期间PM2.5,获得PM2.5的均值为85μg/m3,均方根误差为50μg/m3。利用气溶胶细模态订正方法估算的AODf与PM2.5的相关系数大于AOD与PM2.5的相关系数,这表明灰霾期间以PM2.5为代表的细模态颗粒物成为气溶胶消光的主体,且AOD与PM2.5的关系转化为AODf与PM2.5的相关关系时,相关程度提高。垂直分布修正在灰霾时对改善AOD与PM2.5相关关系作用不明显;当相对湿度大于80%时,湿度订正效果受到较大限制。
The correlation between fine Particulate Matters ( PM2.5 ) and Fine-mode Aerosol Optical Depth ( AODf ) is established. AODf is obtained from product of Aerosol Optical Depth ( AOD) and fine-mode fraction at Beijing site belonging to the AErosol RO-botic NETwork ( AERONET) in January 2013. And then we compare estimation with observation of PM2.5 from 1 to 15 February, 2013. The results show that the developed correction method is effective to estimate PM2.5 during haze,with root-mean-square error of 50 μg / m3 at a mean level of 85 μg/m3 . The relationship between AODf and PM2.5 is obviously better than that of AOD and PM2.5 . It is also found that when the relative humidity is higher than 80% ,the humidity correction on AOD-PM2.5 correlation is limited,and the vertical correction cannot improve the correlation during haze.
The correlation between fine Particulate Matters ( PM2.5 ) and Fine-mode Aerosol Optical Depth ( AODf ) is established. AODf is obtained from product of Aerosol Optical Depth ( AOD) and fine-mode fraction at Beijing site belonging to the AErosol RO-botic NETwork ( AERONET) in January 2013. And then we compare estimation with observation of PM2.5 from 1 to 15 February, 2013. The results show that the developed correction method is effective to estimate PM2.5 during haze,with root-mean-square error of 50 μg / m3 at a mean level of 85 μg/m3 . The relationship between AODf and PM2.5 is obviously better than that of AOD and PM2.5 . It is also found that when the relative humidity is higher than 80% ,the humidity correction on AOD-PM2.5 correlation is limited,and the vertical correction cannot improve the correlation during haze.
引文
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何秀,邓兆泽,李成才,刘启汉,王美华,刘晓阳,毛节泰.2009.MODIS气溶胶光学厚度产品在地面PM10监测方面的应用研究.北京大学学报:自然科学版,46(2):178-184
李成才,毛节泰,刘启汉.2003a.利用MODIS遥感大气气溶胶及气溶胶产品的应用.北京大学学报(自然科学版),39(增刊):108-117
李成才,毛节泰,刘启汉.2003b.用MODIS遥感资料分析四川盆地气溶胶光学厚度时空分布特征.应用气象学报,14(1):1-7
李成才,毛节泰,刘启汉,刘晓阳,刘桂青,朱爱华.2003c.利用MODIS卫星遥感气溶胶产品研究北京及周边地区的大气污染.大气科学,27(5):869-880
李成才,毛节泰,刘启汉,袁自冰,王美华,刘晓阳.2005.MODIS卫星遥感气溶胶产品在北京市大气污染研究中的应用.中国科学(D辑:地球科学),35(S1):177-186
刘勇.2007.MODIS气溶胶光学厚度与南京主城区空气污染指数的关系研究.南京:南京师范大学
吕阳,李正强,尹鹏飞,许华,李凯涛,张婉春,侯伟真.2013.结合地基激光雷达和太阳辐射计的气溶胶垂直分布观测.遥感学报,17(4):1008-1020[DOI:10.11834/jrs.20133092]
吴兑.2004.霾与雾的区别和灰霾天气预警建议.广东气象,(4):1-4
吴兑.2012.近十年中国灰霾天气研究综述.环境科学学报,32(2):257-269
徐祥德,丁国安,卞林根.2006.北京城市大气环境污染机理与调控原理.应用气象学报,17(6):815-828
张婉春,张莹,李正强,吕阳,李凯涛.2013.利用激光雷达探测灰霾天气大气边界层高度.遥感学报,17(4):981-992[DOI:10.11834/jrs.20133075]
郑卓云,陈良富,郑君瑜,钟流举,刘启汉.2011.高分辨率气溶胶光学厚度在珠三角及香港地区区域颗粒物监测中的应用研究.环境科学学报,31(6):1154-1161
中国气象局.2003.地面气象观测规范第五章.北京:中国气象局出版社
Engel-Cox J A,Holloman C H,Coutant B W and Hoff R M.2004.Qualitative and quantitative evaluation of MODIS satellite sensor datafor regional and urban scale air quality.Atmospheric Environment,38(16):2495-2509[DOI:10.1016/j.atmosenv.2004.01.039]
Hansen J E and Travis L D.1974.Light scattering in planetary atmos-pheres.Space Science Reviews,16(4):527-610[DOI:10.1007/BF00168069]
He K B,Huo H and Zhang Q.2002.Urban air pollution in China:Cur-rent sta-tus,characteristics,and progress.Annual Review of Energyand the Environment,27:397-431[DOI:10.1146/annurev.en-ergy.27.122001.083421]
Hutchison K D.2003.Applications of MODIS satellite data and productsfor monitoring air quality in the state of Texas.Atmospheric Environ-ment,37(17):2403-2412[DOI:10.1016/S1352-2310(03)00128-6]
Koelemeijer R B A,Homan C D and Matthijsen J.2006.Comparison ofspatial and temporal variations of aerosol optical thickness and partic-ulate matter in Europe.Atmospheric Environment,40(27):5304-5315[DOI:10.1016/j.atmosenv.2006.04.044]
Kotchenmther R.A.,Peter V.Hobbs,and Dean A.Hegg,1999,Hu-midification factors for atmospheric aerosols off the mid-Atlantic coastof the United States.Journal of Geophysical Research,104,NO.D2,2239-2251[DOI:10.1029/98JD01751]
Kumar N,Chu A and Foster A.2007.An empirical relationship betweenPM2.5and aerosol optical depth in Delhi Metropolitan.AtmosphericEnvironment,41(21):4492-4503[DOI:10.1016/j.atmosenv.2007.01.046]
Liu X G,Cheng Y F,Zhang Y Z,Jung J S,Sugimoto N,Chang S Y,Kim Y J,Fan S J and Zeng L M.2008.Influences of relative hu-midity and particle chemical composition on aerosol scattering prop-erties during the2006PRD campaign.Atmospheric Environment,42(7):1525-1536[DOI:10.1016/j.atmosenv.2007.10.077]
O'Neill N T,Eck T F,Holben B N,Smirnov A and Dubovik O.2001a.Bimodal size distribution influences on the variation ofngstrm de-rivatives in spectral and optical depth space.Journal of GeophysicalResearch,106(D9):9787-9806[DOI:10.1029/2000JD900245]
O'Neill N T,Dubovik O and Eck T F.2001b.A modifiedngstrm ex-ponent for the characterization of sub-micron aerosols.Applied Op-tics,40(15):2368-2374
O'Neill N T,Eck T F,Holben B N,Smirnov A,Royer A and Li Z.2002.Optical properties of boreal forest fire smoke derived from sun-photometry.Journal of Geophysical Research,107(D11):4125[DOI:10.1029/2001JD000877]
O'Neill N T,Eck T F,Smirnov A,Holben B N and Thulasiraman S.2003.Spectral discrimination of coarse and fine mode optical depth.Journal of Geophysical Research,108(D17):4559[DOI:10.1029/2002JD002975]
Schaap M,Apituley A,Timmermans R M A,Koelemeijer R B A and deLeeuw G.2008.Exploring the relation between aerosol optical depthand PM2.5at Cabauw,the Netherlands.Atmospheric Chemistry andPhysics Discussions,8(5):909-925[DOI:10.5194/acpd-8-17939-2008]
Tian J and Chen D M.2010.A semi-empirical model for predicting hour-ly ground-level fine particulate matter(PM2.5)concentration insouthern Ontario from satellite remote sensing and ground-based me-teorological measurements.Remote Sensing of Environment,114(2):221-229
van Donkelaar A,Martin R V,Brauer M,Kahn R,Levy R,Verduzco C and Villeneuve P J.2010.Global estimates of ambient fine particulatematter concentrations from satellite-based aerosol optical depth:de-velopment and application.Environmental Health Perspectives,118(6):847-855[DOI:10.1289/ehp.0901623]
Wang J and Christopher S.2003.Intercomparison between satellite-derived aerosol optical thickness and PM2.5mass:implications for airquality studies.Geophysical Research Letters,30(21):2095[DOI:10.1029/2003GL018174]
何秀,邓兆泽,李成才,刘启汉,王美华,刘晓阳,毛节泰.2009.MODIS气溶胶光学厚度产品在地面PM10监测方面的应用研究.北京大学学报:自然科学版,46(2):178-184
李成才,毛节泰,刘启汉.2003a.利用MODIS遥感大气气溶胶及气溶胶产品的应用.北京大学学报(自然科学版),39(增刊):108-117
李成才,毛节泰,刘启汉.2003b.用MODIS遥感资料分析四川盆地气溶胶光学厚度时空分布特征.应用气象学报,14(1):1-7
李成才,毛节泰,刘启汉,刘晓阳,刘桂青,朱爱华.2003c.利用MODIS卫星遥感气溶胶产品研究北京及周边地区的大气污染.大气科学,27(5):869-880
李成才,毛节泰,刘启汉,袁自冰,王美华,刘晓阳.2005.MODIS卫星遥感气溶胶产品在北京市大气污染研究中的应用.中国科学(D辑:地球科学),35(S1):177-186
刘勇.2007.MODIS气溶胶光学厚度与南京主城区空气污染指数的关系研究.南京:南京师范大学
吕阳,李正强,尹鹏飞,许华,李凯涛,张婉春,侯伟真.2013.结合地基激光雷达和太阳辐射计的气溶胶垂直分布观测.遥感学报,17(4):1008-1020[DOI:10.11834/jrs.20133092]
吴兑.2004.霾与雾的区别和灰霾天气预警建议.广东气象,(4):1-4
吴兑.2012.近十年中国灰霾天气研究综述.环境科学学报,32(2):257-269
徐祥德,丁国安,卞林根.2006.北京城市大气环境污染机理与调控原理.应用气象学报,17(6):815-828
张婉春,张莹,李正强,吕阳,李凯涛.2013.利用激光雷达探测灰霾天气大气边界层高度.遥感学报,17(4):981-992[DOI:10.11834/jrs.20133075]
郑卓云,陈良富,郑君瑜,钟流举,刘启汉.2011.高分辨率气溶胶光学厚度在珠三角及香港地区区域颗粒物监测中的应用研究.环境科学学报,31(6):1154-1161
中国气象局.2003.地面气象观测规范第五章.北京:中国气象局出版社