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Estimation of fire-induced CO plume age from NAST–I during the FIREX-AQ field campaign
Journal of Applied Remote Sensing ( IF 1.7 ) Pub Date : 2022-08-01 , DOI: 10.1117/1.jrs.16.034522
Daniel K. Zhou 1 , Allen M. Larar 1 , Xu Liu 1 , Xiaozhen Xiong 1
Affiliation  

Ultra-spectrally resolved infrared measurements from aircraft and space-based observations contain information about tropospheric carbon monoxide (CO) and ozone (O3), as well as other trace species. A methodology for retrieving these tropospheric trace species from such remotely sensed spectral data has been developed and validated for the National Airborne Sounder Testbed-Interferometer (NAST–I). The Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) field campaign was conducted during August 2019 to investigate the impact of wildfire and biomass smoke on air quality and weather in the continental United States. NAST–I CO and O3 measurements from the recent FIREX-AQ field campaign are presented and used to estimate wildfire plume age. Results show enhanced levels of CO in the evolving plume as it is transported away from the fire ground site, and its plume age is associated with the plume distance in both the vertical and horizontal directions from the wildfire location. These results are enabled by the moderate-vertical and high-horizontal resolution obtained from the NAST–I IR spectrometer onboard the NASA ER-2 aircraft. This study advances our knowledge of fire-induced plumes with their evolution and age characterized in three-dimensional space using information from NAST–I retrieved CO and O3 and relative changes in their concentrations.

中文翻译:

在 FIREX-AQ 野外活动期间从 NAST-I 估计火灾引起的 CO 羽流年龄

来自飞机和空间观测的超光谱分辨红外测量包含有关对流层一氧化碳 (CO) 和臭氧 (O3) 以及其他痕量物种的信息。一种用于从此类遥感光谱数据中检索这些对流层痕量物种的方法已经为国家机载探空仪测试台干涉仪 (NAST-I) 开发和验证。火灾对区域对全球环境和空气质量的影响 (FIREX-AQ) 实地活动于 2019 年 8 月开展,以调查野火和生物质烟雾对美国大陆空气质量和天气的影响。展示了最近 FIREX-AQ 野外活动的 NAST-I CO 和 O3 测量值,并用于估计野火羽流年龄。结果表明,随着羽流从火场运走,其羽流中的二氧化碳含量会增加,并且其羽流年龄与从野火位置在垂直和水平方向上的羽流距离有关。这些结果是通过 NASA ER-2 飞机上的 NAST-I 红外光谱仪获得的中等垂直和高水平分辨率实现的。这项研究利用来自 NAST-I 检索到的 CO 和 O3 的信息及其浓度的相对变化,提高了我们对火灾引起的羽流的认识,以及它们在 3D 空间中的演化和年龄特征。这些结果是通过 NASA ER-2 飞机上的 NAST-I 红外光谱仪获得的中等垂直和高水平分辨率实现的。这项研究利用来自 NAST-I 检索到的 CO 和 O3 的信息及其浓度的相对变化,提高了我们对火灾引起的羽流的认识,以及它们在 3D 空间中的演化和年龄特征。这些结果是通过 NASA ER-2 飞机上的 NAST-I 红外光谱仪获得的中等垂直和高水平分辨率实现的。这项研究利用来自 NAST-I 检索到的 CO 和 O3 的信息及其浓度的相对变化,提高了我们对火灾引起的羽流的认识,以及它们在 3D 空间中的演化和年龄特征。
更新日期:2022-08-01
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