Assimilation of the 2000–2001 CO MOPITT retrievals with optimized surface emissions

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Read Full Article (file size: 1977814 bytes) Cited by GEOPHYSICAL RESEARCH LETTERS, VOL. 31, L20105, doi:10.1029/2004GL021037, 2004 Assimilation of the 2000–2001 CO MOPITT retrievals with optimized surface emissions V. A. Yudin Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA G. Pétron Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA J.-F. Lamarque Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA B. V. Khattatov Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA P. G. Hess Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA L. V. Lyjak Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA J. C. Gille Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA D. P. Edwards Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA M. N. Deeter Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA L. K. Emmons Atmospheric Chemistry Division, NCAR, Boulder, Colorado, USA Abstract The multi-year retrievals of carbon monoxide (CO) by the MOPITT (Measurements Of Pollution In The Troposphere) instrument onboard the NASA Terra satellite provide an opportunity for the first time to study quantitatively the transport and sources of pollution in the mid-troposphere. This paper presents the assimilation of the Phase I (March 3, 2000–May 6, 2001) MOPITT retrievals with optimized CO emissions constrained by monthly MOPITT CO data. The observed-minus-forecast (OmF) CO distributions illustrate improvement of this data analysis compared with the assimilation that employs climatological surface fluxes. Received 16 July 2004; accepted 27 September 2004; published 21 October 2004. Index Terms: 0322 Atmospheric Composition and Structure: Constituent sources and sinks; 0345 Atmospheric Composition and Structure: Pollution—urban and regional (0305); 0365 Atmospheric Composition and Structure: Troposphere—composition and chemistry; 0368 Atmospheric Composition and Structure: Troposphere—constituent transport and chemistry. Read Full Article (file size: 1977814 bytes) Cited by Citation: Yudin, V. A., G. Pétron, J.-F. Lamarque, B. V. Khattatov, P. G. Hess, L. V. Lyjak, J. C. Gille, D. P. Edwards, M. N. Deeter, and L. K. Emmons (2004), Assimilation of the 2000–2001 CO MOPITT retrievals with optimized surface emissions, Geophys. Res. Lett., 31, L20105, doi:10.1029/2004GL021037. Copyright 2004 by the American Geophysical Union.

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