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船载激光雷达观测青岛海域气溶胶光学性质实验研究

Aerosol optical properties observation in Qingdao offshore area with shipborne lidar

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摘要

研制了一套能连续探测海洋大气气溶胶光学性质垂直分布的船载小型米散射激光雷达系统,用 该系统于2015年5月和9月在青岛海域开展了海洋大气气溶胶观测实验。以同船搭载的Microtops II型手持式太阳光度计同步测量得到的气溶胶光学厚度作对比数据,比较了两种仪器的气溶胶光学 厚度测量结果,得到观测海域柱平均激光雷达比为32.4 sr, 标准偏差4.6 sr。由Fernald方法得到了实验海域夏季15 km以下 的气溶胶消光系数廓线。连续观测实验表明研制的船载米散射激光雷达结构紧凑,易于在船 载平台操作,能对海洋大气气溶胶的光学特性进行连续有效的高时空分辨率廓线测量。

Abstract

A compact ship-borne Mie scattering lidar system is developed which can continuously observe vertical distribution of marine atmospheric aerosol optical properties, and marine atmospheric aerosol observation experiments are carried out in the offshore area of Qingdao, China in May and September, 2015, respectively. The aerosol optical depth (AOD) obtained synchronously from a handheld Microtops II sun photometer on board is used as comparison data, and AOD measurement results of the two instruments are compared. The average laser radar ratio, standard deviation of the observed offshore area is 32.4 sr, 4.6 sr, respectively. The aerosol extinction coefficient profiles below 15 km at the experiment area in summer are retrieved by Fernald method. The continuous observation experiments show that the developed ship-borne Mie scattering lidar has compact structure, and is easy to operate on a ship-borne platform. It can measure continuously and effectively the high spatial and temporal resolution profiles of optical properties of the offshore atmospheric aerosol.

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中图分类号:TN598.98

DOI:10.3969/j.issn.1007-5461. 2017.04.018

所属栏目:激光应用

基金项目:Supported by Public Science and Technology Research Fund Project of Ocean(海洋公益性行业科研专项, 201205036-5)

收稿日期:2016-05-06

修改稿日期:2016-07-11

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作者单位    点击查看

李 辉:中国海洋大学海洋遥感研究所, 山东 青岛 266003
孙加运:山东科技大学测绘科学与工程学院, 山东 青岛 266590
陈 震:中国海洋大学海洋遥感研究所, 山东 青岛 266003
马 玲:中国海洋大学海洋遥感研究所, 山东 青岛 266003
李 杰:中国海洋大学海洋遥感研究所, 山东 青岛 266003
刘智深:中国海洋大学海洋遥感研究所, 山东 青岛 266003

联系人作者:李辉(lihui-ouc@163.com)

备注:李 辉 (1987-), 甘肃兰州人,研究生,主要从事激光雷达海洋与大气遥感方面的研究。

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引用该论文

LI Hui,SUN Jiayun,CHEN Zhen,MA Ling,LI Jie,LIU Zhishen. Aerosol optical properties observation in Qingdao offshore area with shipborne lidar[J]. Chinese Journal of Quantum Electronics, 2017, 34(4): 486-494

李 辉,孙加运,陈 震,马 玲,李 杰,刘智深. 船载激光雷达观测青岛海域气溶胶光学性质实验研究[J]. 量子电子学报, 2017, 34(4): 486-494

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