Experimental Assessments of Anthropogenic Emissions of Nitrogen Oxides from the Territory of St. Petersburg Based on Data from Long-Term Mobile Measurements

Pub Date : 2024-07-02 DOI:10.1134/s0001433824700154
D. V. Ionov, M. V. Makarova, V. S. Kostsov
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Abstract

Results of a series of spectroscopic measurements of the tropospheric NO2 content carried out on a closed route of the Ring Road of St. Petersburg in different seasons in 2012, 2014, 2015, and 2016 are considered. A unified approach to the interpretation of all experimental data using numerical modeling of air pollution spread and a priori information about the spatial distribution of its anthropogenic sources has significantly improved the accuracy of determining the integral NOx emissions. The total NOx volume, reduced to gross annual anthropogenic emissions from the territory of St. Petersburg, amounted to 81 000 ± 17 000 t. This value slightly exceeds the air pollution city inventory official data (from 61 000 to 63 000 t per year), consistent within the error margin with the estimate obtained earlier on the basis of similar mobile measurements in the spring of 2019 (75 000 ± 26 000 t per year).

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基于长期移动测量数据的圣彼得堡地区人为氮氧化物排放实验评估
摘要 研究了 2012 年、2014 年、2015 年和 2016 年不同季节在圣彼得堡环城路封闭路线上进行的一系列对流层二氧化氮含量光谱测量结果。利用空气污染扩散的数值模型和人为污染源空间分布的先验信息对所有实验数据进行统一解释,大大提高了确定整体氮氧化物排放量的准确性。该数值略高于空气污染城市清单的官方数据(每年 61 000 至 63 000 吨),在误差范围内与 2019 年春季根据类似移动测量得出的估计值(每年 75 000 ± 26 000 吨)一致。
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