Monthly CO surface sources inventory based on the 2000-2001 MOPITT satellite data

Gabrielle Pétron, Claire Granier, Boris Khattatov, Valery Yudin, Jean François Lamarque, Louisa Emmons, John Gille, David P. Edwards

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148 Scopus citations

Abstract

This paper presents results of the inverse modeling of carbon monoxide surface sources on a monthly and regional basis using the MOPITT (Measurement Of the Pollution In The Troposphere) CO retrievals. The targeted time period is from April 2000 to March 2001. A sequential and time-dependent inversion scheme is implemented to correct an a priori set of monthly mean CO sources. The a posteriori estimates for the total anthropogenic (fossil fuel + biofuel + biomass burning) surface sources of CO in TgCO/yr are 509 in Asia, 267 in Africa, 140 in North America, 90 in Europe and 84 in Central and South America. Inverting on a monthly scale allows one to assess a corrected seasonality specific to each source type and each region. Forward CTM simulations with the a posteriori emissions show a substantial improvement of the agreement between modeled CO and independent in situ observations.

Original languageEnglish
Pages (from-to)L21107 1-5
JournalGeophysical Research Letters
Volume31
Issue number21
DOIs
StatePublished - Nov 16 2004

Keywords

  • 0322 Atmospheric Composition and Structure: Constituent sources and sinks
  • 0368 Atmospheric Composition and Structure: Troposphere - Constituent transport and chemistry
  • 3337 Meteorology and Atmospheric Dynamics: Numerical modeling and data assimilation

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