基于Fu-Liou模式的气溶胶对中国、印度2011—2014年地表太阳辐射影响的研究
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摘要
利用Fu-Liou辐射传输模式,结合中分辨率成像光谱仪(moderate resolution imaging spectroradiometer,MODIS)的气溶胶光学厚度(aerosol optical depth,AOD)数据,模拟有无气溶胶2种条件下的地表辐射情况.模型结果使用基线地表辐射观测网(baseline surface radiation network,BSRN)地面观测站点进行验证.结果证明,研究区内所有站点的相关性系数平方R2均在0.6以上,整体R2达到了0.81,相关程度较高,模型模拟结果与观测较为一致.比较2组模拟结果显示,2011—2014年间气溶胶导致研究区总辐射量减少18.81W·m~(-2),散射量增加14.94W·m~(-2).其中中国地区散射辐射增加12.79W·m~(-2),印度地区散射辐射量增加23.21 W·m~(-2).AOD高的地区,云量较少则散射辐射增加较为明显,云量较多则散射辐射的增加量明显减少.
Fu-Liou radiation transmission model is combined with satellite AOD data to simulate surface radiation under two aerosol conditions.Modelling was verified with BSRN ground observations.Correlation coefficient of all stations in the study area was found to be>0.6,and overall R2 was 0.81.The correlation was good,simulation data were found to be consistent with observations.Comparison of the two sets of simulation data revealed a total radiation decrease by 18.81 W·m~(-2),scattering increase by 14.94 W·m~(-2) from 2011 to2014.Scattered radiation increased by 12.79 W·m~(-2) in China,by 23.21 W·m~(-2) in India.In areas with high aerosol optical depth,increase in scattered radiation was more marked with little cloud,the increase in scattered radiation was seriously reduced with more cloud.
Fu-Liou radiation transmission model is combined with satellite AOD data to simulate surface radiation under two aerosol conditions.Modelling was verified with BSRN ground observations.Correlation coefficient of all stations in the study area was found to be>0.6,and overall R2 was 0.81.The correlation was good,simulation data were found to be consistent with observations.Comparison of the two sets of simulation data revealed a total radiation decrease by 18.81 W·m~(-2),scattering increase by 14.94 W·m~(-2) from 2011 to2014.Scattered radiation increased by 12.79 W·m~(-2) in China,by 23.21 W·m~(-2) in India.In areas with high aerosol optical depth,increase in scattered radiation was more marked with little cloud,the increase in scattered radiation was seriously reduced with more cloud.
引文
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[2]周杰,陈健,张海龙,等.基于MODIS数据的长三角地区气溶胶直接辐射效应研究[J].生态与农村环境学报,2018,34(1):54
[3]Xi X,SOKOLIK I N.Impact of Asian dust aerosol and surface albedo on photosynthetically active radiation and surface radiative balance in dryland ecosystems[J].Advances in Meteorology,2012,2012:978
[4]STEINER A L,MERMELSTEIN D,CHENG S J,et al.Observed impact of atmospheric aerosols on the surface energy budget[J].Earth Interactions,2013,17(14):1
[5]刘一鸣,洪莹莹,张舒婷,等.珠江三角洲秋季典型气溶胶污染的过程分析[J].中国环境科学,2014,34(12):3017
[6]FU Q,LIOU K N.On the correlated k-distribution method for radiative transfer in nonhomogeneous atmospheres[J].Journal of Atmospheric Sciences,1991,49(22):2139
[7]SAMOILOVA S V,BALIN Y S,KOKHANENKO G P,et al.Investigations of the vertical distribution of troposphere aerosol layers based on the data of multifrequency Raman lidar sensing:Part 1.Methods of optical parameter retrieval[J].Atmospheric&Oceanic Optics,2009,22(3):302
[8]FENG Z,QING C Z,GU Y,et al.Parameterization of the absorption of the H2O Continuum,CO2,O2,and other trace gases in the Fu-Liou solar radiation program[J].Advances in Atmospheric Sciences,2005,22(4):545
[9]SHAO S Y,JING Z,ZHOU L H,et al.Aerosol effects on global surface solar radiation based on Fu-Liou modeling and satellite observations[J].Resources Science,2017,39(3):513
[10]DONG X,XI B,QIU S,et al.A radiation closure study of Arctic stratus cloud microphysical properties using the collocated satellite-surface data and Fu-Liou radiative transfer model[J].Journal of Geophysical Research:Atmospheres,2016,121(17):10,175
[11]Goddard Space Flight Center,National Aeronautics and Space Administration(NASA).The Level-3 MODISatmosphere daily global product[EB/OL].[2008-02-01].http:∥modisatmos.gsfc.nasa.gov/MOD08_D3/index.html
[12]GARCIA D.Robust smoothing of gridded data in one and higher dimensions with missing values[J].Computational Statistics&Data Analysis,2010,54(4):1167
[13]GARCIA D.A fast all-in-one method for automated post-processing of PIV data[J].Experiments in Fluids,2011,50(5):1247
[14]邵思雅,张晶,周丽花,等.气溶胶直接辐射效应对全球陆地生态系统碳循环的影响[J].自然资源学报,2018:33(1):27
[15]Clouds and the Earth'Radiant Energy System(CERES),National Aeronautics and Space Administration(NASA).The Level-3 CERESSYN1deg Product[EB/OL].[2008-02-01].https:∥ceres.larc.nasa.ov/products.php?product-SYN1deg
[16]Land Processes Distributed Active Archive Center(LPDAAC),U.S.geological survey(USGS).The moderate-resolution imaging spectroradiometer(MODIS)albedo product[EB/OL].[2008-02-01].https:∥lpdaac.usgs.gov/mode/80
[17]ECK T F,HOLBEN B N,REID J S,et al.Wavelength dependence of the optical depth of biomass burning,urban,and desert dust aerosols[J].Journal of Geophysical Research,1999,104(D24):31333
[18]SHAO S Y,ZHANG J.All-sky direct radiative effects of urban aerosols in Beijing and Shanghai,China[J].Atmospheric&Oceanic Science Letters,2015,8(5):295