一次区域沙尘过程的垂直结构和传输路径分析
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摘要
利用CALIPSO卫星的星载激光雷达资料,结合地面CE-318太阳光度计,分析了2015年3月31日~4月1日,我国西北地区的一次区域沙尘天气过程中的高空流场、沙尘气溶胶的垂直分布及输送气流轨迹。结果表明:这次过程中,粒径较大的沙尘颗粒大多出现在地面至3km之间,而相对较小的粒子则均匀分布4~8km范围。应用HYSPLIT模式和NAAPS全球气溶胶模式,结合地面实况资料,可以看出沙尘一部分向东北方向传输,最高达到8km,一部分在甘肃境内持续作用,造成当地的扬沙、浮尘天气。
The upper air flow field,vertical distribution and transmission trajectory of the regional dust in northwest China during March 31- April 1,2015 were analyzed by using a combination of the lidar data onboard CALIPSO satellite,CE- 318 automatic sun tracking spectrophotometer. The results showed that most large dust particles were near surface to 3km,while relatively small ones stayed at 4km to 8km. According to the simulation result and the surface data,the transmission of dust was partially northeast and up to 8 kilometers; another part sustained effects in Gansu and caused flying sand and flying dust weather.
The upper air flow field,vertical distribution and transmission trajectory of the regional dust in northwest China during March 31- April 1,2015 were analyzed by using a combination of the lidar data onboard CALIPSO satellite,CE- 318 automatic sun tracking spectrophotometer. The results showed that most large dust particles were near surface to 3km,while relatively small ones stayed at 4km to 8km. According to the simulation result and the surface data,the transmission of dust was partially northeast and up to 8 kilometers; another part sustained effects in Gansu and caused flying sand and flying dust weather.
引文
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[18]王文彩.利用A_Train卫星资料研究PACDEX实验期间源区和沉降区沙尘云的微物理及辐射特性[D].兰州:兰州大学,2010.
[19]陈磊.强沙尘暴成因及其热力动力结构特征[D].南京:南京信息工程大学,2012.
[20]贾璇,王文彩,陈勇航,等.华北地区沙尘气溶胶对云辐射强迫的影响[J].中国环境科学,2010,30(8):1009-1014.
[21]陈勇航,毛小琴,黄建平,等.一次强沙尘输送过程中气溶胶垂直分布特征研究[J].中国环境科学,2009,29(5):449-454.
[2]Liu Z Y,Vaughan M A,Winker D M,et al.Use of probability distribution functions for discriminating between cloud and aresol in lidar backscatter data[J].Journal of Geophysical Research,2004,109(15):1255-1263.
[3]Vaughan M,Young Stuart,Winker D,et al.Full automated analysis of space-based lidar data:An overview of the CALIPSO retrieval algorithms and data products[J].Proceeding of SPIE,2004,5575:16-30.
[4]Huang J,Zhang W,Zuo J,et al.An overview of the semi-arid climate and environment research observatory over the Loess Plateau[J].Advances in Atmospheric Sciences,2008,25(6):906-921.
[5]Welton E,Campbell J,Spinhirne J,et al.Global monitoring of clouds and aerosols using a network of micropulse lidar systems[J].Lidar Remote Sensing for Industry and Environment Monitoring,2001,4153:151-158.
[6]董旭辉,祈辉,任立军,等.偏振激光雷达在沙尘暴观测中的数据分析[J].环境科学研究,2007,20(2):106-111.
[7]夏俊荣,张镭.Mie散射激光雷达探测大气气溶胶的进展[J].干旱气象,2006,24(4):68-72.
[8]徐成鹏,葛觐铭,黄建平,等.基于CALIPSO星载激光雷达的中国沙尘气溶胶观测[J].中国沙漠,2014,34(5):1353-1362.
[9]陈勇航,毛晓琴,黄建平,张华,汤强,潘鹄,王晨浩.一次强沙尘输送过程中气溶胶垂直分布特征研究[J].中国环境科学,2009,29(5):449-454.
[10]柳丹,张武,陈艳,等.基于卫星遥感的中国西北地区沙尘天气发生机理及传输路径分析[J].中国沙漠,2014,34(6):1605-1616.
[11]Chu D A,Kaufman Y J,I choku C,et a I.Va Iidation of MODIS aerosol optical depth retrieval over land[J].Geophysical Research Letters,2002,29(12):1617-1621.
[12]李成才,毛节泰,刘启汉,等.利用MODIS研究中国东部地区气溶胶光学厚度的分布和季节变化特征[J].科学通报,2003,48(19)2094-2100.
[13]李成才,毛节泰,刘启汉,等.利用MODIS光学厚度遥感产品研究北京及周边地区的大气污染[J].大气科学,2003,27(5):869-879.
[14]刘玉杰,牛生杰,郑有飞,等.用CE-318太阳光度计资料研究银川地区气溶胶光学厚度特性[J].南京气象学院学报,2004,27(5):615-622.
[15]王静,牛生杰,许丹,于兴娜,等.南京一次典型雾霾天气气溶胶光学特性[J].中国环境科学,2013,33(22):201-208.
[16]云静波.冷锋型和蒙古气旋型沙尘暴过程的对比研究[D].南京:南京信息工程大学,2011.
[17]贾佳.基于CALIPSO气溶胶产品LIDAR信号校正的海绵风速反演[D].山东青岛:中国海洋大学,2011.
[18]王文彩.利用A_Train卫星资料研究PACDEX实验期间源区和沉降区沙尘云的微物理及辐射特性[D].兰州:兰州大学,2010.
[19]陈磊.强沙尘暴成因及其热力动力结构特征[D].南京:南京信息工程大学,2012.
[20]贾璇,王文彩,陈勇航,等.华北地区沙尘气溶胶对云辐射强迫的影响[J].中国环境科学,2010,30(8):1009-1014.
[21]陈勇航,毛小琴,黄建平,等.一次强沙尘输送过程中气溶胶垂直分布特征研究[J].中国环境科学,2009,29(5):449-454.