Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 13, issue 12
Articles | Volume 13, issue 12
https://doi.org/10.5194/amt-13-6657-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-13-6657-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 12
Research article
 | 
09 Dec 2020
Research article |  | 09 Dec 2020

Mass spectrometric multiple soil-gas flux measurement system with a portable high-resolution mass spectrometer (MULTUM) coupled to an automatic chamber for continuous field observations

Noriko Nakayama, Yo Toma, Yusuke Iwai, Hiroshi Furutani, Toshinobu Hondo, Ryusuke Hatano, and Michisato Toyoda

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Short summary
We developed a field-deployable multiple soil-gas flux measurement system using a portable high-resolution mass spectrometer (MULTUM) combined with an automated flux chamber. The current system is capable of simultaneous quantification of O2, N2O, CH4, and CO2 concentrations every 2.5 min within a single sample, yielding hourly flux data. We applied the system to 5 d continuous soil–atmosphere field flux observations and interesting responses in N2O and CO2 upon rainfall events were observed.
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