Format:
Online-Ressource
ISSN:
1726-4189
Content:
Abstract δ 18 δ 15 15 N site preference of N2 O), methane, carbon dioxide (δ 13 2 O and VOC concentrations. Moreover, to reveal the dynamics in the stable isotope ratios of N2 O (i.e., 14 N14 N16 O, 14 N15 N16 O, 15 N14 N16 O, and 14 N14 N18 O), we developed a new high-precision laser spectrometer with a reduced sample volume demand. Our integrated system – a tunable infrared laser direct absorption spectrometry (TILDAS) in parallel with Vocus proton transfer reaction mass spectrometry (PTR-MS), in line with sPTFE soil gas probes – successfully quantified isotopic signatures for N2 O, CO2, and VOCs in real time as responses to changes in the dry–wetting cycle and redox conditions. Broadening the collection of trace gases that can be monitored in the subsurface is critical for monitoring biogeochemical cycles, ecosystem health, and management practices at scales relevant to the soil system.
In:
volume:19
In:
number:1
In:
year:2022
In:
pages:165-185
In:
extent:21
In:
Biogeosciences, Katlenburg-Lindau [u.a.] : Copernicus, 2004-, 19, Heft 1 (2022), 165-185 (gesamt 21), 1726-4189
Language:
English
DOI:
10.5194/bg-19-165-2022
URN:
urn:nbn:de:101:1-2022011304253605020425
URL:
https://doi.org/10.5194/bg-19-165-2022
URL:
https://nbn-resolving.org/urn:nbn:de:101:1-2022011304253605020425
URL:
https://d-nb.info/1249403227/34
URL:
https://bg.copernicus.org/articles/19/165/2022/bg-19-165-2022.pdf
URL:
https://bg.copernicus.org/articles/19/165/2022/
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