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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Cited articles

Arias-Navarro, C., Díaz-Pinés, E., Klatt, S., Brandt, P., Rufino, M. C., Butterbach-Bahl, K., and Verchot, L. V.: Spatial variability of soil NO2 and CO2 fluxes in different topographic positions in a tropical mountain forest in Kenya, J. Geophys. Res. Biogeosci., 122, 514–527, https://doi.org/10.1002/2016JG003667, 2017. 
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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.