Characteristics of Aerosol Distribution and Composition in Southeastern Crimea in Spring 2020

IF 0.9 Q4 OPTICS Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI:10.1134/S1024856023060052

M. S. Artamonova, M. A. Iordanskii, O. G. Chkhetiani, V. A. Lapchenko, L. O. Maksimenkov

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Abstract

Results of experimental studies of aerosol in the surface air layer in the southeastern part of the Crimean Peninsula at the background environmental monitoring Vyazemsky Karadag Scientific Station from March 21 to June 17, 2020, are presented. The daily average mass concentration of aerosol ranged from 3 to 35 μg/m³ over the measurement period, with an average value of 13 μg/m³. The exception are high concentrations during the episode of March 25–27, 2020 (48, 195, and 49 μg/m³, respectively), when an extreme eastward transfer from sources in Kazakhstan (a dust storm in the region of the Aral Sea) through Kalmykia to the Crimea took place. Accounting this episode, the daily average mass concentration of aerosol was 16 μg/m³. Days with different directions of airmass arrival and days with the highest daily average mass concentrations of aerosol are distinguished out of 89 observation days. For this set (31 samples), the concentrations of 64 chemical elements in the samples are determined. Accumulation of chemical elements in soil and in aerosol particles is estimated; the clarkes of concentrations of chemical elements in soil, aerosol concentration coefficients, and enrichment factors of chemical elements in aerosols are calculated. The dependences of the mass concentration, size distribution, and elemental composition of the surface aerosol on long-range aerosol transport are considered.

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2020 年春季克里米亚东南部气溶胶分布和组成特征

摘要介绍了 2020 年 3 月 21 日至 6 月 17 日在背景环境监测 Vyazemsky Karadag 科学站对克里米亚半岛东南部地表空气层气溶胶的实验研究结果。在测量期间，气溶胶的日均质量浓度介于 3 至 35 μg/m3 之间，平均值为 13 μg/m3。但 2020 年 3 月 25 日至 27 日期间的浓度较高（分别为 48、195 和 49 微克/立方米），当时发生了从哈萨克斯坦（咸海地区的沙尘暴）经卡尔梅克到克里米亚的极端东移。在这一事件中，气溶胶的日平均质量浓度为 16 微克/立方米。在 89 个观测日中，气团到达方向不同的日和气溶胶日平均质量浓度最高的日被区分开来。对于这组样本（31 个），测定了样本中 64 种化学元素的浓度。估算了化学元素在土壤和气溶胶颗粒中的累积量；计算了土壤中化学元素浓度的克拉克值、气溶胶浓度系数和气溶胶中化学元素的富集因子。考虑了表面气溶胶的质量浓度、粒度分布和元素组成对气溶胶长程飘移的影响。

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来源期刊

Atmospheric and Oceanic Optics OPTICS-

CiteScore

2.40

自引率

42.90%

发文量

期刊介绍： Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.