Articles | Volume 9, issue 8
https://doi.org/10.5194/amt-9-3527-2016
© Author(s) 2016. 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-9-3527-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
03 Aug 2016
Research article |
| 03 Aug 2016
Assessment of errors and biases in retrievals of XCO2, XCH4, XCO, and XN2O from a 0.5 cm–1 resolution solar-viewing spectrometer
Division of Chemistry and Chemical Engineering, California
Institute of Technology, Pasadena, CA, USA
Camille Viatte
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
Debra Wunch
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
now at: Department of Physics, University of Toronto, Toronto, Ontario, Canada
Coleen M. Roehl
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
Geoffrey C. Toon
Jet Propulsion Laboratory, California Institute of Technology,
Pasadena, CA, USA
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
now at: Electrical and Computer Engineering, Technische Universität München, Munich, Germany
Taylor Jones
School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Steven C. Wofsy
School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Jonathan E. Franklin
Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada
now at: School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Harrison Parker
Earth and Environmental Sciences, Los Alamos National Laboratory, Los Alamos, NM, USA
Manvendra K. Dubey
Earth and Environmental Sciences, Los Alamos National Laboratory, Los Alamos, NM, USA
Paul O. Wennberg
Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA
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Latest update: 29 Nov 2025
Short summary
Portable FTS instruments with lower resolution are being used to measure gases (including CO2, CH4, CO, and N2O) in the atmosphere. We compared measurements from four of these instruments for a few weeks, and with one for nearly a year to a higher resolution TCCON standard. We also performed tests to assess performance under different atmospheric and instrumental conditions. We noted consistent offsets in the short-term (~1 month); more research is still needed to assess precision longer term.
Portable FTS instruments with lower resolution are being used to measure gases (including CO2,...
