基于EMI 遥感NO2 技术监测澳洲森林火灾活动

大气与环境光学学报 ›› 2021, Vol. 16 ›› Issue (3): 207-214.

• “高分五号卫星大气数据反演”专辑 • 上一篇下一篇

基于EMI 遥感NO2 技术监测澳洲森林火灾活动

杨东上1;2, 曾议1, 罗宇涵1, 周海金1, 司福祺1∗, 刘文清1

1 中国科学院合肥物质科学研究院安徽光学精密机械研究所, 中国科学院环境光学与技术重点实验室, 安徽合肥 230031; 2 中国科学技术大学, 安徽合肥 230036

收稿日期:2020-10-28 修回日期:2021-02-04 出版日期:2021-05-28 发布日期:2021-05-28
通讯作者: E-mail: sifuqi@aiofm.ac.cn E-mail:sifuqi@aiofm.ac.cn
作者简介:杨东上 (1994 - ), 山东烟台人, 博士研究生, 主要从事光谱分析和卫星遥感方面的研究。 E-mail: ydshang@mail.ustc.edu.cn
基金资助:
Supported by National Key R&D Project (国家重点研发计划项目, 2017YFB0503901)

Monitoring Australia′s Forest Fires Based on EMI Remote Sensing NO2 Technology

YANG Dongshang1;2, ZENG Yi1, LUO Yuhan1, ZHOU Haijin1, SI Fuqi1∗, LIU Wenqing1

1 Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; 2 University of Science and Technology of China, Hefei 230026, China

Received:2020-10-28 Revised:2021-02-04 Published:2021-05-28 Online:2021-05-28

摘要/Abstract

摘要： 澳大利亚 2019–2020 年发生了大规模的森林火灾, 本次火灾在六个月的时间内烧毁了超过 800 万公顷的桉树林。利用大气痕量气体差分吸收光谱仪 (EMI) 对澳大利亚火灾期间的 NO2 变化情况进行了分析。研究发现, 2019 年 11 月, 澳大利亚东南区域的 NO2 浓度及分布相比往年同期, 出现明显的增长趋势。同时具体针对澳大利亚两大国家公园的火灾, 研究了 NO2 相对浓度的频率分布与火灾程度和频次的关系, 发现这两个地点 2019 年 11 月 NO2 的相对浓度频率也出现了明显的增高, 表明森林火灾是导致部分区域 NO2 浓度升高的主要原因。本工作的开展也证明了 EMI 在重大污染事件监测上的可行性。

关键词: 大气痕量气体差分吸收光谱仪, 澳大利亚森林火灾, NO2 垂直柱浓度, 火灾频次

Abstract: A large-scale forest fire occurred in Australia in 2019–2020, which burned more than 8 million hectares of eucalyptus forest in six months. In this work, the variation of NO2 during the Australian fire was studied by the environmental trace gases monitoring instrument (EMI). It was found that in November 2019, the NO2 concentration and distribution in southeastern Australia showed a significant increase compared with the same period in previous years. In addition, aiming at the fires in Australia′s two major national parks, the correlation between the frequency distribution of NO2 relative concentration and the degree as well as frequency of fires was studied. It was found that the frequency distribution of NO2 relative concentration in the two places also increased significantly in November 2019, indicating that forest fire is the main reason for the increase of NO2 concentration in these regions. At the same time, this work also proves the feasibility of EMI in monitoring major pollution events.

Key words: environmental trace gases monitoring instrument, Australian forest fires, NO2 vertical column, fire frequency

中图分类号:

X87
P407

杨东上, 曾议, 罗宇涵, 周海金, 司福祺∗, 刘文清. 基于EMI 遥感NO2 技术监测澳洲森林火灾活动[J]. 大气与环境光学学报, 2021, 16(3): 207-214.

YANG Dongshang, ZENG Yi, LUO Yuhan, ZHOU Haijin, SI Fuqi∗, LIU Wenqing. Monitoring Australia′s Forest Fires Based on EMI Remote Sensing NO2 Technology[J]. Journal of Atmospheric and Environmental Optics, 2021, 16(3): 207-214.

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基于EMI 遥感NO2 技术监测澳洲森林火灾活动

Monitoring Australia′s Forest Fires Based on EMI Remote Sensing NO2 Technology

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