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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/amt-2019-41
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-2019-41
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 05 Mar 2019

Submitted as: research article | 05 Mar 2019

Review status
This discussion paper is a preprint. A revision of this manuscript was accepted for the journal Atmospheric Measurement Techniques (AMT) and is expected to appear here in due course.

Radiance-based Retrieval Bias Mitigation for the MOPITT Instrument: The Version 8 Product

Merritt N. Deeter1, David P. Edwards1, Gene L. Francis1, John C. Gille1, Debbie Mao1, Sara Martinez-Alonso1, Helen M. Worden1, Dan Ziskin1, and Meinrat O. Andreae2,3 Merritt N. Deeter et al.
  • 1Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
  • 2Max Planck Institute for Chemistry, P.O. Box 3060, 55020 Mainz, Germany
  • 3Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093-0221, USA

Abstract. The MOPITT (Measurements of Pollution in the Troposphere) satellite instrument has been making nearly continuous observations of atmospheric carbon monoxide (CO) since 2000. Satellite observations of CO are routinely used to analyze emissions from fossil fuels and biomass burning, and the atmospheric transport of those emissions. Recent enhancements to the MOPITT retrieval algorithm have resulted in the release of the Version 8 (V8) product. V8 products benefit from updated spectroscopic data for water vapor and nitrogen used to develop the operational radiative transfer model and exploit a new method for minimizing retrieval biases through parameterized radiance bias correction. Validation results illustrate clear improvements with respect to long-term bias drift and geographically variable retrieval bias.

Merritt N. Deeter et al.
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Interactive discussion
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Merritt N. Deeter et al.
Merritt N. Deeter et al.
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Short summary
The MOPITT (Measurements of Pollution in the Troposphere) satellite instrument has been making nearly continuous observations of atmospheric carbon monoxide (CO) since 2000. MOPITT CO retrievals are routinely used to analyze emissions from fossil fuels and biomass burning, and the atmospheric transport of those emissions. This paper describes recent enhancements to the MOPITT retrieval algorithm. New validation results illustrate clear improvements in the fidelity of the MOPITT product.
The MOPITT (Measurements of Pollution in the Troposphere) satellite instrument has been making...
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