Estimation of Spatial Distribution of Potential Sources of Carbonaceous Aerosol from Local Measurements near St. Petersburg

IF 0.9 4区地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES Izvestiya Atmospheric and Oceanic Physics Pub Date : 2023-12-25 DOI:10.1134/s0001433823060129

S. S. Vlasenko, O. A. Ivanova, T. I. Ryshkevich, E. F. Mikhailov

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Abstract

The results of a back-trajectory analysis of 9-year (2013–2021) measurements of organic (OC) and elemental (EC) aerosol carbon concentrations made at the atmospheric monitoring station near St. Petersburg (Peterhof, 59.88° N, 29.83° E) are presented. The spatial location of sources was estimated by the concentration weighted trajectory (CWT) method in the geographic area 16°–44° E × 48°–68° N. The data allow us to identify the territories with the strongest OC and EC emissions and estimate the seasonal variability of these emissions. In particular, the estimates show that the most intense sources of OC and elemental aerosol carbon in the studied region are located in the Volga-Oka interfluve and on the adjacent territories. It is demonstrated that linear regression coefficients between CWT function values for OC and EC differ for different regions and seasons and may indicate the prevailing type of sources of carbon-containing aerosol particles.

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根据圣彼得堡附近的本地测量结果估算碳质气溶胶潜在来源的空间分布情况

摘要对圣彼得堡附近大气监测站（彼得霍夫，北纬 59.88°，东经 29.83°）9 年（2013-2021 年）的有机（OC）和元素（EC）气溶胶碳浓度测量结果进行了回溯轨迹分析。通过这些数据，我们可以确定 OC 和 EC 排放量最大的地区，并估算出这些排放量的季节性变化。特别是，估算结果表明，研究区域内 OC 和元素气溶胶碳的最主要来源位于伏尔加-奥卡交汇处和邻近地区。研究表明，OC 和 EC 的 CWT 函数值之间的线性回归系数在不同地区和季节有所不同，这可能表明含碳气溶胶粒子的主要来源类型。

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来源期刊

Izvestiya Atmospheric and Oceanic Physics 地学-海洋学

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Izvestiya, Atmospheric and Oceanic Physics is a journal that publishes original scientific research and review articles on vital issues in the physics of the Earth’s atmosphere and hydrosphere and climate theory. The journal presents results of recent studies of physical processes in the atmosphere and ocean that control climate, weather, and their changes. These studies have possible practical applications. The journal also gives room to the discussion of results obtained in theoretical and experimental studies in various fields of oceanic and atmospheric physics, such as the dynamics of gas and water media, interaction of the atmosphere with the ocean and land surfaces, turbulence theory, heat balance and radiation processes, remote sensing and optics of both media, natural and man-induced climate changes, and the state of the atmosphere and ocean. The journal publishes papers on research techniques used in both media, current scientific information on domestic and foreign events in the physics of the atmosphere and ocean.