Articles | Volume 8, issue 11
https://doi.org/10.5194/amt-8-4785-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-8-4785-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
17 Nov 2015
Research article |
| 17 Nov 2015
Assessing 5 years of GOSAT Proxy XCH4 data and associated uncertainties
Earth Observation Science, Department of Physics and Astronomy, University of Leicester, Leicester, UK
National Centre for Earth Observation, Department of Physics and Astronomy, University of Leicester, Leicester, UK
H. Boesch
Earth Observation Science, Department of Physics and Astronomy, University of Leicester, Leicester, UK
National Centre for Earth Observation, Department of Physics and Astronomy, University of Leicester, Leicester, UK
K. Byckling
Earth Observation Science, Department of Physics and Astronomy, University of Leicester, Leicester, UK
A. J. Webb
Earth Observation Science, Department of Physics and Astronomy, University of Leicester, Leicester, UK
P. I. Palmer
School of GeoSciences, University of Edinburgh, Edinburgh, UK
National Centre for Earth Observation, School of GeoSciences, University of Edinburgh, Edinburgh, UK
L. Feng
School of GeoSciences, University of Edinburgh, Edinburgh, UK
National Centre for Earth Observation, School of GeoSciences, University of Edinburgh, Edinburgh, UK
P. Bergamaschi
European Commission Joint Research Centre, Institute for Environment and Sustainability, Ispra, Italy
F. Chevallier
Lab. des Sciences du Climat et de l'Environnement, CNRS, Gif-sur-Yvette, France
J. Notholt
Institute of Environmental Physics, University of Bremen, Bremen, Germany
N. Deutscher
Institute of Environmental Physics, University of Bremen, Bremen, Germany
School of Chemistry, University of Wollongong, Wollongong, Australia
T. Warneke
Institute of Environmental Physics, University of Bremen, Bremen, Germany
F. Hase
Karlsruhe Institut für Technologie, Karlsruhe, Germany
R. Sussmann
Karlsruhe Institut für Technologie, Karlsruhe, Germany
S. Kawakami
Japan Aerospace Exploration Agency (JAXA), Tsukuba, Japan
Finnish Meteorological Institute, Arctic Research, Sodankylä, Finland
D. W. T. Griffith
School of Chemistry, University of Wollongong, Wollongong, Australia
V. Velazco
School of Chemistry, University of Wollongong, Wollongong, Australia
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Latest update: 06 Dec 2025
Short summary
Atmospheric CH4 is an important greenhouse gas. Long-term global observations are necessary to understand its behaviour, with satellite observations playing a key role. The "proxy" retrieval method is one of the most successful but relies on the contribution from atmospheric CO2 models. This work assesses the significance of the uncertainty from the model CO2 within the retrieval and determines that despite this uncertainty the data are still valuable for determining sources and sinks of CH4.
Atmospheric CH4 is an important greenhouse gas. Long-term global observations are necessary to...
