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Study on the Temporal and Spatial Distribution of Atmospheric SO_2 and NO_2 in Huainan Observed by Lidar

机译:激光雷达观测淮南市大气SO_2和NO_2的时空分布特征

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摘要

In order to initially explore the different temporal and spatial distribution characteristics of sulfur dioxide (SC_2) and nitrogen dioxide (NO_2) concentrations in Huainan, the gas concentration detections were carried out at Huainan Academy of Atmospheric Sciences by the differential absorption laser radar system of Anhui Institute of Optics and Fine Mechanics. According to the detected distribution profiles of atmospheric SO_2 and NO_2 concentrations in part of the months from July 2016 to June 2017, in this paper, the typical examples are selected to analyze the distribution characteristics of SO_2 and NO_2 from three aspects: diurnal variations of horizontal concentration, vertical concentration changes and monthly variations of horizontal concentration. According to the SO_2 and NO_2 concentration distribution profiles in the selected examples, the following conclusions can be dravvn:(l) The concentrations of SO_2 and NO_2 at night are greater than that of SO_2 and NO_2 in the afternoon on the same day;(2) The vertical concentrations of SO_2 and NO_2 decrease with the increasing height;(3) The monthly variations of SO_2 and NO_2 horizontal concentration are the highest in the winter months, and the lowest in the summer months, followed by the spring and autumn months. The changes in SO_2 and NO_2 concentrations are the result of a combination of population activities and changes in meteorological conditions.
机译:为了初步探索淮南地区二氧化硫(SC_2)和二氧化氮(NO_2)浓度的时空分布特征,通过安徽差分吸收激光雷达系统在淮南大气科学研究院进行了气体浓度检测。光学精密机械研究所。根据2016年7月至2017年6月部分月份大气SO_2和NO_2浓度分布的分布特征,选取典型实例从三个方面分析SO_2和NO_2的分布特征:浓度,垂直浓度变化和水平浓度每月变化。根据所选示例中的SO_2和NO_2浓度分布图,可得出以下结论:(l)晚上SO_2和NO_2的浓度高于当天下午的SO_2和NO_2的浓度;(2 )SO_2和NO_2的垂直浓度随高度的增加而减小;(3)SO_2和NO_2的水平浓度的月变化在冬季月份最高,在夏季月份最低,其次是春季和秋季月份。 SO_2和NO_2浓度的变化是人口活动和气象条件变化共同作用的结果。

著录项

  • 来源
  • 会议地点 Hefei(CN)
  • 作者单位

    Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China,University of Science and Technology of China, Hefei 230026, China;

    Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China,University of Science and Technology of China, Hefei 230026, China;

    Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China,University of Science and Technology of China, Hefei 230026, China;

    Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;

    Research Center for Laser Physics and Technology, Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;

    Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    DIAL; SO_2; NO_2; Atmospheric optics;

    机译:拨号; SO_2; NO_2;大气光学;

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