Evaluation of methane emission intensities for the agglomeration territory of Saint-Petersburg

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Abstract

To determine the methane emission intensities (EIs) in St. Petersburg and its suburbs measurements of the methane (CH4) mole fraction and total column were used, the analysis of which was carried out using the mass balance method. For the suburban territory the value of EIs was estimated from the events of nocturnal accumulation which were detected using continuous CH4 mole fraction measurements at the atmospheric monitoring station of Saint Petersburg State University (SPbU) located in Peterhof. It was obtained that EI values for 2014-2015 for St. Petersburg suburbs were of (44±27) t/(km2 ∙year). The determination of EI for the St. Petersburg territory including the area of the city center was carried out using two approaches: first, using local CH4 concentrations monitored at SPbU and Voeikov MGO stations, and second, using the results of an observational campaign in March-April 2019 jointly organized by Saint Petersburg State University, Karlsruhe Institute of Technology, the University of Bremen. EI values for the city center derived using the first approach - 120±80 t/(km2 ∙year), according to the approach based on results of observational campaign - 141±78 t/(km2 ∙year).
Original languageEnglish
Title of host publication26th International Symposium on Atmospheric and Ocean Optics : Atmospheric Physics
EditorsGennadii G. Matvienko, Oleg A. Romanovskii
PublisherSPIE
Number of pages7
ISBN (Electronic)9781510639416
DOIs
StatePublished - 12 Nov 2020
Event26th International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics" - Moscow, Russian Federation
Duration: 6 Jul 202010 Jul 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11560
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference26th International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics"
CountryRussian Federation
CityMoscow
Period6/07/2010/07/20

Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Computer Science Applications

Keywords

  • Atmospheric methane
  • Fourier transform IR spectrometry
  • In situ monitoring
  • Mass balance approach
  • Saint-Petersburg megacity

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