Air Composition over the Russian Arctic: 3—Trace Gases

Pub Date : 2024-04-26 DOI:10.1134/S1024856023700057
O. Yu. Antokhina, P. N. Antokhin, V. G. Arshinova, M. Yu. Arshinov, G. Ancellet, B. D. Belan, S. B. Belan, D. K. Davydov, G. A. Ivlev, A. V. Kozlov, K. Law, P. Nédélec, T. M. Rasskazchikova, J.-D. Paris, D. E. Savkin, D. V. Simonenkov, T. K. Sklyadneva, G. N. Tolmachev, A. V. Fofonov
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Abstract

Based on the results of a comprehensive experiment conducted in September 2020, the spatial distribution of the following trace gases over the seas of the Russian Arctic are analyzed: carbon monoxide (CO), ozone (O3), nitrogen oxide and dioxide (NO and NO2), and sulfur dioxide (SO2). It is shown that the gas concentrations in the surface air layer over the seas (at an altitude of 200 m) vary in the range 18–36 ppb for O3, 60–130 ppb for CO, 0.005–0.12 ppb for NO, 0.10–1.00 ppb for NO2, and 0.06–0.80 ppb for SO2. The distribution of the gases over the water area is heterogeneous over most seas, which most likely reflects differences in their uptake by the ocean and peculiarities of transport from the continent.

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俄罗斯北极地区上空的空气成分:3 种微量气体
摘要 根据 2020 年 9 月进行的综合实验结果,分析了俄罗斯北极海域上空以下痕量气体的空间分布:一氧化碳 (CO)、臭氧 (O3)、氧化氮和二氧化氮 (NO 和 NO2) 以及二氧化硫 (SO2)。结果表明,海洋表面空气层(海拔 200 米)的气体浓度变化范围为:O3 18-36 ppb,CO 60-130 ppb,NO 0.005-0.12 ppb,NO2 0.10-1.00 ppb,SO2 0.06-0.80 ppb。在大多数海域,气体在水域中的分布是不均匀的,这很可能反映了海洋对气体吸收的差异以及从大陆迁移的特殊性。
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