Research of the Aerosol Optical and Microphysical Characteristics of the Atmosphere over the Black Sea Region by the FIRMS System during the Forest Fires in 2018–2019

IF 0.7 Q4 OCEANOGRAPHY
D. Kalinskaya, A. Papkova, D. Kabanov
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引用次数: 4

Abstract

Purpose. The Black Sea region where the forest fires were recorded by the FIRMS system, as well as the atmosphere above it, namely the fire-induced variation of the atmospheric aerosol basic optical characteristics, were the main objects of the investigation. The study is aimed at examining the fires in the Black Sea region in 2018–2019 for assessing correlation between these events and variability of the basic optical characteristics over the Black Sea. Methods and Results. Based on the FIRMS system data, variations of intensity of the fire-induced radiation were studied. The results of statistical processing of the MODIS and VIIRS satellite data on the fires in 2018–2019 were represented. For the dates when the fire numbers were the highest in the Black Sea region, the basic optical and microphysical characteristics of the atmospheric aerosol were analyzed due to the SPM and AERONET data. The dates when the fire intensity was particularly high (based on the MODIS and VIIRS data) were analyzed and compared with the dates when the anomalous values of the atmospheric aerosol optical characteristics were recorded over the region under study. Conclusions. For the fire events in the Black Sea region revealed due to the MODIS and VIIRS data, complex analysis of the air mass transfer was performed by the model HYSPLIT, and the aerosol was typed by the CALIPSO algorithm. On June 22, 2019 the most intense fires were recorded. According to the aerosol typing by the CALIPSO algorithm, on this day the predominant aerosol types were the contaminated dust and smoke. Using the MODIS and VIIRS data, investigation of possible source of the aerosol transfer on this date showed that the area of intense inflammationn and smoke was located to the northeast from the Black Sea region. Since the satellite-derived data on this day showed no dust transfer either from the Sahara or the Syria deserts, it is possible to conclude that increase of the values of aerosol optical depth АОD (500) was conditioned by transfer of the aerosol resulted from biomass burning from the north to the Black Sea region.
2018-2019年森林火灾期间黑海地区大气气溶胶光学和微物理特征的FIRMS系统研究
意图FIRMS系统记录到森林火灾的黑海地区及其上方的大气,即火灾引起的大气气溶胶基本光学特性的变化,是调查的主要对象。该研究旨在检查2018-2019年黑海地区的火灾,以评估这些事件与黑海基本光学特征变化之间的相关性。方法和结果。基于FIRMS系统数据,研究了火灾辐射强度的变化规律。代表了2018-2019年火灾MODIS和VIIRS卫星数据的统计处理结果。对于黑海地区火灾次数最多的日期,根据SPM和AERONET数据分析了大气气溶胶的基本光学和微观物理特征。分析了火灾强度特别高的日期(基于MODIS和VIIRS数据),并将其与研究区域大气气溶胶光学特性异常值的记录日期进行了比较。结论。对于由MODIS和VIIRS数据揭示的黑海地区火灾事件,通过HYSPLIT模型对空气质量转移进行了复杂分析,并通过CALIPSO算法对气溶胶进行了分类。2019年6月22日,记录到最强烈的火灾。根据CALIPSO算法的气溶胶分型,当天主要的气溶胶类型是受污染的灰尘和烟雾。利用MODIS和VIIRS数据,对当天气溶胶转移的可能来源进行了调查,结果表明,强烈的炎症和烟雾区域位于黑海地区的东北部。由于当天的卫星数据显示撒哈拉沙漠或叙利亚沙漠没有灰尘转移,因此可以得出结论,气溶胶光学深度АОD(500)值的增加是由生物质燃烧产生的气溶胶从北部转移到黑海地区所决定的。
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来源期刊
Physical Oceanography
Physical Oceanography OCEANOGRAPHY-
CiteScore
1.80
自引率
25.00%
发文量
8
审稿时长
24 weeks
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