Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-1361-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-1361-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Jan 2024
Research article |
| 30 Jan 2024
| 30 Jan 2024
Diurnal variations in oxygen and nitrogen isotopes of atmospheric nitrogen dioxide and nitrate: implications for tracing NOx oxidation pathways and emission sources
Sarah Albertin
CORRESPONDING AUTHOR
LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, 75005 Paris, France
IGE, Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, 38000 Grenoble, France
Joël Savarino
IGE, Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, 38000 Grenoble, France
Slimane Bekki
LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, 75005 Paris, France
Albane Barbero
IGE, Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, 38000 Grenoble, France
Roberto Grilli
IGE, Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, 38000 Grenoble, France
Quentin Fournier
LIPhy, Univ. Grenoble Alpes, CNRS, 38000 Grenoble, France
Irène Ventrillard
LIPhy, Univ. Grenoble Alpes, CNRS, 38000 Grenoble, France
Nicolas Caillon
IGE, Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, INRAE, 38000 Grenoble, France
Kathy Law
LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, 75005 Paris, France
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Cited
19 citations as recorded by crossref.
- Use of stable nitrogen isotopes in atmospheric aerosol research J. Bai et al. https://doi.org/10.1016/j.atmosenv.2026.121793
- Isotope-Based Tracing of Atmospheric Reactive Nitrogen: Progress and Prospects H. Sui et al. https://doi.org/10.1021/acsestair.4c00335
- Preparation and Calibration of 17O-Enriched Nitrite Isotope Standards T. Zhou et al. https://doi.org/10.1021/acsearthspacechem.5c00399
- Enhanced atmospheric oxidation and particle reductions driving changes to nitrate formation mechanisms across coastal and inland regions of north China Z. Liu et al. https://doi.org/10.5194/acp-25-8719-2025
- Revisiting oxygen isotope anomalies in NO2 and nitrate in the nocturnal atmosphere: a modeling approach Z. Jiang et al. https://doi.org/10.1016/j.epsl.2026.119894
- Dual-isotope evidence for substantial shipping contributions to atmospheric nitrate formation in coastal Chinese cities during the cold-season transition T. Chen et al. https://doi.org/10.1016/j.jhazmat.2026.143129
- Urban Single Precipitation Events: A Key for Characterizing Sources of Air Contaminants and the Dynamics of Atmospheric Chemistry Exchanges M. Górka et al. https://doi.org/10.3390/w16243701
- Formation pathways of particulate NO3− and sources of its precursor over the northwest India: Insights through dual isotopes C. Shaw et al. https://doi.org/10.1016/j.atmosenv.2025.121426
- Nonagricultural emissions and N2O5 hydrolysis drive wintertime inorganic nitrogen aerosol formation in Sichuan Basin: Nitrate and ammonium isotopic evidence X. Huang et al. https://doi.org/10.1016/j.jhazmat.2025.140808
- Cross-regional NO2 transport over the Tibetan Plateau (2005–2024): bidirectional flux dynamics, seasonal drivers, and environmental implications Z. Sun et al. https://doi.org/10.5194/acp-26-11027-2026
- High-Resolution Measurements of Multi-Isotopic Signatures (δ15N, δ18O, and Δ17O) of Winter NO2 in a Megacity in Central China Z. Zhang et al. https://doi.org/10.1021/acs.est.4c07724
- Machine Learning Analysis of Particulate Matter Driving Contributions in the Southern Sichuan Basin X. Jing et al. https://doi.org/10.1595/205651326X17695054422285
- Sub-Diurnal Variability of Urban NOx Isotopes: Keeling Plot and δ15N–Oxidative Ratio Analysis Reveal Hidden Combustion Sources K. Kamezaki et al. https://doi.org/10.1021/acsestair.6c00112
- Dynamics of nitrogen oxides emissions in the pilot wastewater treatment plant: Characteristics and mechanisms X. Xu et al. https://doi.org/10.1016/j.jes.2025.04.071
- Source apportionment of reactive nitrogen in fog vs. rain using isotope ratios and Bayesian modeling (Ore and Eagle Mts., Central Europe) M. Novak et al. https://doi.org/10.1016/j.jhazmat.2026.141757
- Chemical and isotopic constraints on sources of precipitation chemistry in the Yangtze River Delta: A multi-year comparison of mountain and urban sites Y. Jiang et al. https://doi.org/10.1007/s11631-026-00895-x
- Unveiling the Dynamics of NO3 at the Air–Water Interface and in Bulk Water: A Comparative Study with Cl and ClO Y. Hu et al. https://doi.org/10.3390/molecules30081724
- Revealing underestimated ship contributions to atmospheric nitrate over the Pearl River Delta: Based on dual isotopes T. Chen et al. https://doi.org/10.1016/j.jhazmat.2025.140339
- Tara Polaris: Shedding light on microbial and climate feedback processes in the Arctic atmosphere J. Schmale et al. https://doi.org/10.1525/elementa.2025.00030
19 citations as recorded by crossref.
- Use of stable nitrogen isotopes in atmospheric aerosol research J. Bai et al. https://doi.org/10.1016/j.atmosenv.2026.121793
- Isotope-Based Tracing of Atmospheric Reactive Nitrogen: Progress and Prospects H. Sui et al. https://doi.org/10.1021/acsestair.4c00335
- Preparation and Calibration of 17O-Enriched Nitrite Isotope Standards T. Zhou et al. https://doi.org/10.1021/acsearthspacechem.5c00399
- Enhanced atmospheric oxidation and particle reductions driving changes to nitrate formation mechanisms across coastal and inland regions of north China Z. Liu et al. https://doi.org/10.5194/acp-25-8719-2025
- Revisiting oxygen isotope anomalies in NO2 and nitrate in the nocturnal atmosphere: a modeling approach Z. Jiang et al. https://doi.org/10.1016/j.epsl.2026.119894
- Dual-isotope evidence for substantial shipping contributions to atmospheric nitrate formation in coastal Chinese cities during the cold-season transition T. Chen et al. https://doi.org/10.1016/j.jhazmat.2026.143129
- Urban Single Precipitation Events: A Key for Characterizing Sources of Air Contaminants and the Dynamics of Atmospheric Chemistry Exchanges M. Górka et al. https://doi.org/10.3390/w16243701
- Formation pathways of particulate NO3− and sources of its precursor over the northwest India: Insights through dual isotopes C. Shaw et al. https://doi.org/10.1016/j.atmosenv.2025.121426
- Nonagricultural emissions and N2O5 hydrolysis drive wintertime inorganic nitrogen aerosol formation in Sichuan Basin: Nitrate and ammonium isotopic evidence X. Huang et al. https://doi.org/10.1016/j.jhazmat.2025.140808
- Cross-regional NO2 transport over the Tibetan Plateau (2005–2024): bidirectional flux dynamics, seasonal drivers, and environmental implications Z. Sun et al. https://doi.org/10.5194/acp-26-11027-2026
- High-Resolution Measurements of Multi-Isotopic Signatures (δ15N, δ18O, and Δ17O) of Winter NO2 in a Megacity in Central China Z. Zhang et al. https://doi.org/10.1021/acs.est.4c07724
- Machine Learning Analysis of Particulate Matter Driving Contributions in the Southern Sichuan Basin X. Jing et al. https://doi.org/10.1595/205651326X17695054422285
- Sub-Diurnal Variability of Urban NOx Isotopes: Keeling Plot and δ15N–Oxidative Ratio Analysis Reveal Hidden Combustion Sources K. Kamezaki et al. https://doi.org/10.1021/acsestair.6c00112
- Dynamics of nitrogen oxides emissions in the pilot wastewater treatment plant: Characteristics and mechanisms X. Xu et al. https://doi.org/10.1016/j.jes.2025.04.071
- Source apportionment of reactive nitrogen in fog vs. rain using isotope ratios and Bayesian modeling (Ore and Eagle Mts., Central Europe) M. Novak et al. https://doi.org/10.1016/j.jhazmat.2026.141757
- Chemical and isotopic constraints on sources of precipitation chemistry in the Yangtze River Delta: A multi-year comparison of mountain and urban sites Y. Jiang et al. https://doi.org/10.1007/s11631-026-00895-x
- Unveiling the Dynamics of NO3 at the Air–Water Interface and in Bulk Water: A Comparative Study with Cl and ClO Y. Hu et al. https://doi.org/10.3390/molecules30081724
- Revealing underestimated ship contributions to atmospheric nitrate over the Pearl River Delta: Based on dual isotopes T. Chen et al. https://doi.org/10.1016/j.jhazmat.2025.140339
- Tara Polaris: Shedding light on microbial and climate feedback processes in the Arctic atmosphere J. Schmale et al. https://doi.org/10.1525/elementa.2025.00030
Saved (final revised paper)
Latest update: 01 Sep 2026
Short summary
This study reports the first simultaneous records of oxygen (Δ17O) and nitrogen (δ15N) isotopes in nitrogen dioxide (NO2) and nitrate (NO3−). These data are combined with atmospheric observations to explore sub-daily N reactive chemistry and quantify N fractionation effects in an Alpine winter city. The results highlight the necessity of using Δ17O and δ15N in both NO2 and NO3− to avoid biased estimations of NOx sources and fates from NO3− isotopic records in urban winter environments.
This study reports the first simultaneous records of oxygen (Δ17O) and nitrogen (δ15N) isotopes...
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