Results of methane and carbon monoxide total column amount measurements near St. Petersburg (Russia)

Maria Makarova; Yuriy Timofeyev; Anatoly Poberovski; Tatiana Aparina; Irina Yakovitskaya

doi:10.1117/12.619827

12 May 2005 Results of methane and carbon monoxide total column amount measurements near St. Petersburg (Russia)

Maria Makarova, Yuriy Timofeyev, Anatoly Poberovski, Tatiana Aparina, Irina Yakovitskaya

Proceedings Volume 5832, Optical Technologies for Atmospheric, Ocean, and Environmental Studies; (2005) https://doi.org/10.1117/12.619827
Event: Optical Technologies for Atmospheric, Ocean, and Environmental Studies, 2004, Beijing, China

Abstract

Methane (CH) and carbon monoxide (CO) total column amounts (TCAs) measured at the Research Institute of Physics of St. Petersburg State University (Russia) were used for: 1. study of temporal variability of CH₄ and CO; 2. identification of source regions of CO and CH₄ using trajectory analysis. CH₄ and CO showed distinct annual cycle with the amplitude of about 3 and 25 respectively. Period of 1999-2002 has a significant decline of CH₄ TCA for the St. Petersburg region. The suggested reason is hot and dry summers of 1998-2002. October 1998-March 1999 is characterized by the strong irregular disturbances of CO TCA. Growth rates of CO TCA have changed at this period from (3.5±2.3)%/yr. (for 1995-1998) up to (-2.1±1.5)%/yr. (for 1999-2002). Enhanced CO and CH₄ TCA levels are observed for air masses originated from the sectors of the North Russia continental Russia and the Eurasia Europe can be classified as moderately polluted territory. Clean air comes from the Baltic Sea Arctic Ocean and Scandinavia. Distribution of CO pollution levels over sectors repeats qualitatively situation for CH₄.

Citation Download Citation

Maria Makarova, Yuriy Timofeyev, Anatoly Poberovski, Tatiana Aparina, and Irina Yakovitskaya "Results of methane and carbon monoxide total column amount measurements near St. Petersburg (Russia)", Proc. SPIE 5832, Optical Technologies for Atmospheric, Ocean, and Environmental Studies, (12 May 2005); https://doi.org/10.1117/12.619827

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