Toward accurate CO 2 and CH 4 observations from GOSAT: GOSAT CO 2 AND CH 4 VALIDATION
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[1] The column-average dry air mole fractions of atmospheric carbon dioxide and methane and are inferred from observations of backscattered sunlight conducted by the Greenhouse gases Observing SATellite (GOSAT). Comparing the first year of GOSAT retrievals over land with colocated ground-based observations of the Total Carbon Column Observing Network (TCCON), we find an average difference (bias) of −0.05% and −0.30% for and with a station-to-station variability (standard deviation of the bias) of 0.37% and 0.26% among the 6 considered TCCON sites. The root-mean square deviation of the bias-corrected satellite retrievals from colocated TCCON observations amounts to 2.8 ppm for and 0.015 ppm for Without any data averaging, the GOSAT records reproduce general source/sink patterns such as the seasonal cycle of suggesting the use of the satellite retrievals for constraining surface fluxes.
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Three CO2 satellites-GOSAT launched by Japan in 2009, OCO-2 launched by the United States in 2014, and TANSAT launched by China in 2016-significantly improved ability of C flux observation.
“Three CO2 satellites were launched successively, including GOSAT launched by Japan in 2009,338 OCO-2 launched by the United States in 2014,339 and TANSAT launched by China in 2016,340 which significantly improved the ability of C flux observation.”
From Technologies and perspectives for achieving carbon neutrality (2021) · cites this paper as [338]
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- Authors
- Butz, A., Guerlet, S., Hasekamp, O., Schepers, D., Galli, A., Aben, I., Frankenberg, C., Hartmann, J.-M., Tran, H., Kuze, A., Keppel-Aleks, G., Toon, G., Wunch, D., Wennberg, P., Deutscher, N., Griffith, D., Macatangay, R., Messerschmidt, J., Notholt, J., & Warneke, T.
- Affiliations
- Karlsruhe Institute of Technology (DE)
- Space Research Organisation Netherlands (NL)
- California Institute of Technology (US)
- Centre National de la Recherche Scientifique (FR)
- Japan Aerospace Exploration Agency (JP)
- Division of Engineering and Applied Science; California Institute of Technology; Pasadena California USA
- University of Bremen (DE)
- University of Wollongong (AU)
- ORCID
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2011-07
- Volume
- 38
- Issue
- 14
- Pages
- n/a-n/a
- ISSN
- 0094-8276 (ISSN-L)
- OpenAlex
- W1540471798
- Cited by
- 559
- References
- 23
- Citations by year
- 2026: 40 · 2025: 35 · 2024: 30 · 2023: 39 · 2022: 74 · 2021: 68 · 2020: 35 · 2019: 24 · 2018: 26 · 2017: 31 · 2016: 35 · 2015: 26 · 2014: 29 · 2013: 39 · 2012: 24
- FWCI
- 26.14
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Geophysical Research Letters (publishedVersion)
- CaltechAUTHORS (California Institute of Technology) (submittedVersion)
- Funders
- U.S. Department of Energy
- National Aeronautics and Space Administration (NAS7‐03001)
- California Institute of Technology
- European Commission (218793)
- Deutsche Forschungsgemeinschaft (BU2599/1-1, BU2599/1)
- Ministry of Education, India
- National Oceanic and Atmospheric Administration
- U.S. Geological Survey
- Jet Propulsion Laboratory
- Japan Aerospace Exploration Agency
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric and Environmental Gas Dynamics
- Physical Sciences › Chemistry › Spectroscopy › Spectroscopy and Laser Applications
- Physical Sciences › Environmental Science › Ecology › Remote Sensing in Agriculture
- Keywords
- GOSAT, carbon dioxide, methane, column-averaged dry-air mole fraction, satellite retrieval accuracy, TCCON, retrieval bias, surface fluxes, seasonal cycle, greenhouse gases
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