Articles | Volume 13, issue 12
Atmos. Meas. Tech., 13, 6657–6673, 2020
https://doi.org/10.5194/amt-13-6657-2020
Atmos. Meas. Tech., 13, 6657–6673, 2020
https://doi.org/10.5194/amt-13-6657-2020

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 et al.

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Latest update: 10 May 2021
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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.