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AGU: Geophysical Research Letters

 

Index Terms

  • Atmospheric Composition and Structure: Constituent sources and sinks
  • Atmospheric Composition and Structure: Troposphere—composition and chemistry
  • Mathematical Geophysics: Modeling
  • Mathematical Geophysics: Inverse theory
  • Meteorology and Atmospheric Dynamics: Remote sensing

Abstract

Top-down estimates of global CO sources using MOPITT measurements

Avelino F. Arellano Jr.

Nicholas School of the Environment and Earth Sciences, Duke University, Durham, North Carolina, USA

Prasad S. Kasibhatla

Nicholas School of the Environment and Earth Sciences, Duke University, Durham, North Carolina, USA

Louis Giglio

SSAI, NASA-GSFC, Greenbelt, Maryland, USA

Guido R. van der Werf

USDA-FAS, NASA-GSFC, Greenbelt, Maryland, USA

James T. Randerson

Divisions of Geological and Planetary Sciences and Engineering and Applied Science, California Institute of Technology, Pasadena, California, USA

We present a synthesis inversion of CO emissions from various geographical regions and for various source categories for the year 2000 using CO retrievals from the MOPITT (Measurements of Pollution in the Troposphere) instrument. We find a large discrepancy between our top-down estimates and recent bottom-up estimates of CO emissions from fossil fuel/biofuel (FFBF) use in Asia. A key conclusion of this study is that CO emissions in East Asia (EAS) are about a factor of 1.8–2 higher than recent bottom-up estimates.

Received 11 September 2003; accepted 24 November 2003; published 8 January 2004.

Citation: Arellano, A. F., Jr., P. S. Kasibhatla, L. Giglio, G. R. van der Werf, and J. T. Randerson (2004), Top-down estimates of global CO sources using MOPITT measurements, Geophys. Res. Lett., 31, L01104, doi:10.1029/2003GL018609.

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