Articles | Volume 9, issue 1
https://doi.org/10.5194/amt-9-263-2016
© 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-9-263-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
27 Jan 2016
Research article |
| 27 Jan 2016
Real-time analysis of δ13C- and δD-CH4 in ambient air with laser spectroscopy: method development and first intercomparison results
S. Eyer
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
B. Tuzson
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
M. E. Popa
Utrecht University (UU), Institute for Marine and Atmospheric
research Utrecht (IMAU), Utrecht, the Netherlands
C. van der Veen
Utrecht University (UU), Institute for Marine and Atmospheric
research Utrecht (IMAU), Utrecht, the Netherlands
T. Röckmann
Utrecht University (UU), Institute for Marine and Atmospheric
research Utrecht (IMAU), Utrecht, the Netherlands
M. Rothe
Max Planck Institute (MPI) for Biogeochemistry, Jena, Germany
W. A. Brand
Max Planck Institute (MPI) for Biogeochemistry, Jena, Germany
R. Fisher
Royal Holloway University of London (RHUL), Department of Earth
Sciences, Egham, UK
Royal Holloway University of London (RHUL), Department of Earth
Sciences, Egham, UK
E. G. Nisbet
Royal Holloway University of London (RHUL), Department of Earth
Sciences, Egham, UK
M. S. Brennwald
Eawag, Water Resources and Drinking Water, Dübendorf, Switzerland
E. Harris
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
C. Zellweger
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
L. Emmenegger
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
H. Fischer
University of Bern, Climate and Environmental Physics, Bern, Switzerland
Empa, Laboratory for Air Pollution & Environmental Technology,
Dübendorf, Switzerland
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- Temporal dynamics and controlling factors of CO2 and CH4 variability in the urban atmosphere of Wroclaw, Poland Y. Bezyk et al. 10.1016/j.scitotenv.2023.164771
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Saved (preprint)
Latest update: 23 Apr 2024
Short summary
We present a newly developed field-deployable, autonomous platform simultaneously measuring the three most abundant isotopologues of methane using mid-infrared laser absorption spectroscopy.
The instrument consists of a compact quantum cascade laser absorption spectrometer (QCLAS) coupled to a preconcentration unit, called TRace gas EXtractor (TREX).
The performance of this new in situ technique was investigated during a 2-week measurement campaign and compared to other techniques.
We present a newly developed field-deployable, autonomous platform simultaneously measuring the...
