Articles | Volume 16, issue 5
https://doi.org/10.5194/amt-16-1121-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-16-1121-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Mar 2023
Research article |
| 07 Mar 2023
| 07 Mar 2023
A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm
Joshua L. Laughner
CORRESPONDING AUTHOR
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Sébastien Roche
Department of Physics, University of Toronto, Toronto, Canada
now at: School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Matthäus Kiel
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Geoffrey C. Toon
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
Debra Wunch
Department of Physics, University of Toronto, Toronto, Canada
Bianca C. Baier
Global Monitoring Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado – Boulder, Boulder, CO, USA
Sébastien Biraud
Climate Sciences Department, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
Huilin Chen
Center for Isotope Research, University of Groningen, Groningen, the Netherlands
Rigel Kivi
Space and Earth Observation Centre, Finnish Meteorological Institute, Sodankylä, Finland
Thomas Laemmel
Laboratoire des Sciences du Climat et de l'Environnement (LSCE/IPSL), UMR CEA-CNRS-UVSQ, Gif-sur-Yvette, France
now at: Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Bern, Switzerland
Kathryn McKain
Global Monitoring Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado – Boulder, Boulder, CO, USA
Pierre-Yves Quéhé
Climate and Atmosphere Research Centre (CARE-C), The Cyprus Institute, Nicosia, Cyprus
Constantina Rousogenous
Climate and Atmosphere Research Centre (CARE-C), The Cyprus Institute, Nicosia, Cyprus
Britton B. Stephens
Earth Observing Laboratory, National Center for Atmospheric Research (NCAR), Boulder, CO, USA
Kaley Walker
Department of Physics, University of Toronto, Toronto, Canada
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, USA
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Latest update: 06 Nov 2025
Short summary
Observations using sunlight to measure surface-to-space total column of greenhouse gases in the atmosphere need an initial guess of the vertical distribution of those gases to start from. We have developed an approach to provide those initial guess profiles that uses readily available meteorological data as input. This lets us make these guesses without simulating them with a global model. The profiles generated this way match independent observations well.
Observations using sunlight to measure surface-to-space total column of greenhouse gases in the...
