Articles | Volume 20, issue 15
https://doi.org/10.5194/acp-20-9209-2020
© Author(s) 2020. 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-20-9209-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Aug 2020
Research article |
| 05 Aug 2020
| 05 Aug 2020
OH and HO2 radical chemistry in a midlatitude forest: measurements and model comparisons
Michelle M. Lew
Department of Chemistry, Indiana University, Bloomington, IN 47405, USA
now at: California Air Resources Board, Sacramento, CA 95812, USA
Pamela S. Rickly
O'Neill School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405, USA
now at: Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO 80309, USA
now at: Chemical Sciences
Division, Earth System Research Laboratory, National Oceanic and Atmospheric
Administration, Boulder, CO 80305, USA
Brandon P. Bottorff
Department of Chemistry, Indiana University, Bloomington, IN 47405, USA
Emily Reidy
Department of Chemistry, Indiana University, Bloomington, IN 47405, USA
Sofia Sklaveniti
O'Neill School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405, USA
SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, IMT Lille Douai, Univ. Lille, Lille 59000, France
Thierry Léonardis
SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, IMT Lille Douai, Univ. Lille, Lille 59000, France
Nadine Locoge
SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, IMT Lille Douai, Univ. Lille, Lille 59000, France
Sebastien Dusanter
SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, IMT Lille Douai, Univ. Lille, Lille 59000, France
Shuvashish Kundu
Department of Chemistry, University of Massachusetts – Amherst, Amherst, MA 01003, USA
now at: Momentive Performance Materials, Inc., Tarrytown, NY 10591, USA
Ezra Wood
Department of Chemistry, Drexel University, Philadelphia, PA 19104, USA
Department of Chemistry, Indiana University, Bloomington, IN 47405, USA
O'Neill School of Public and Environmental Affairs, Indiana University, Bloomington, IN 47405, USA
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Cited
24 citations as recorded by crossref.
- Vertical Distribution, Diurnal Evolution, and Source Region of Formaldehyde During the Warm Season Under Ozone-Polluted and Non-Polluted Conditions in Nanjing, China K. Cheng et al. 10.3390/rs16224313
- Reactions with Criegee intermediates are the dominant gas-phase sink for formyl fluoride in the atmosphere Y. Xia et al. 10.1016/j.fmre.2023.02.012
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al. 10.1016/j.scitotenv.2024.175290
- Measurements of Atmospheric HO2 Radicals Using Br-CIMS with Elimination of Potential Interferences from Ambient Peroxynitric Acid L. Wang et al. 10.1021/acs.analchem.4c01184
- OH measurements in the coastal atmosphere of South China: possible missing OH sinks in aged air masses Z. Zou et al. 10.5194/acp-23-7057-2023
- Quantitative Kinetics of HO2 Reactions with Aldehydes in the Atmosphere: High-Order Dynamic Correlation, Anharmonicity, and Falloff Effects Are All Important B. Long et al. 10.1021/jacs.2c07994
- Development of a laser-photofragmentation laser-induced fluorescence instrument for the detection of nitrous acid and hydroxyl radicals in the atmosphere B. Bottorff et al. 10.5194/amt-14-6039-2021
- Airborne observations of peroxy radicals during the EMeRGe campaign in Europe M. George et al. 10.5194/acp-23-7799-2023
- The reaction of organic peroxy radicals with unsaturated compounds controlled by a non-epoxide pathway under atmospheric conditions B. Nozière et al. 10.1039/D2CP05166D
- Characterization of a chemical modulation reactor (CMR) for the measurement of atmospheric concentrations of hydroxyl radicals with a laser-induced fluorescence instrument C. Cho et al. 10.5194/amt-14-1851-2021
- Opinion: Beyond global means – novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH) B. Duncan et al. 10.5194/acp-24-13001-2024
- A review of gas-phase chemical mechanisms commonly used in atmospheric chemistry modelling Y. Liu et al. 10.1016/j.jes.2022.10.031
- OH, HO2, and RO2 radical chemistry in a rural forest environment: measurements, model comparisons, and evidence of a missing radical sink B. Bottorff et al. 10.5194/acp-23-10287-2023
- Fluxes of H2S and SO2 above a subtropical forest under natural and disturbed conditions induced by temporal land-use change P. Ke et al. 10.1016/j.scitotenv.2021.152084
- Investigation of OH-reactivity budget in the isoprene, α-pinene and m-xylene oxidation with OH under high NOx conditions Y. Sakamoto et al. 10.1016/j.atmosenv.2021.118916
- Reaction of the Acetyl Peroxy Radical and OH Radical as a Source of Acetic Acid in the Atmosphere H. Chen et al. 10.1021/acsearthspacechem.4c00211
- Evaluation of local measurement-driven adjustments of modelled cloud-free atmospheric photolysis rate coefficients H. Walker et al. 10.1039/D2EA00072E
- A Review of the Direct Measurement of Total OH Reactivity: Ambient Air and Vehicular Emission X. Yang 10.3390/su152316246
- Understanding ozone episodes during the TRACER-AQ campaign in Houston, Texas: The role of transport and ozone production sensitivity to precursors E. Soleimanian et al. 10.1016/j.scitotenv.2023.165881
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
- Chemistry and human exposure implications of secondary organic aerosol production from indoor terpene ozonolysis C. Rosales et al. 10.1126/sciadv.abj9156
- Influence of Organized Turbulence on OH Reactivity at a Deciduous Forest O. Clifton et al. 10.1029/2022GL102548
- Peroxy radical measurements by ethane – nitric oxide chemical amplification and laser-induced fluorescence during the IRRONIC field campaign in a forest in Indiana S. Kundu et al. 10.5194/acp-19-9563-2019
- Implementation of a chemical background method for atmospheric OH measurements by laser-induced fluorescence: characterisation and observations from the UK and China R. Woodward-Massey et al. 10.5194/amt-13-3119-2020
22 citations as recorded by crossref.
- Vertical Distribution, Diurnal Evolution, and Source Region of Formaldehyde During the Warm Season Under Ozone-Polluted and Non-Polluted Conditions in Nanjing, China K. Cheng et al. 10.3390/rs16224313
- Reactions with Criegee intermediates are the dominant gas-phase sink for formyl fluoride in the atmosphere Y. Xia et al. 10.1016/j.fmre.2023.02.012
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al. 10.1016/j.scitotenv.2024.175290
- Measurements of Atmospheric HO2 Radicals Using Br-CIMS with Elimination of Potential Interferences from Ambient Peroxynitric Acid L. Wang et al. 10.1021/acs.analchem.4c01184
- OH measurements in the coastal atmosphere of South China: possible missing OH sinks in aged air masses Z. Zou et al. 10.5194/acp-23-7057-2023
- Quantitative Kinetics of HO2 Reactions with Aldehydes in the Atmosphere: High-Order Dynamic Correlation, Anharmonicity, and Falloff Effects Are All Important B. Long et al. 10.1021/jacs.2c07994
- Development of a laser-photofragmentation laser-induced fluorescence instrument for the detection of nitrous acid and hydroxyl radicals in the atmosphere B. Bottorff et al. 10.5194/amt-14-6039-2021
- Airborne observations of peroxy radicals during the EMeRGe campaign in Europe M. George et al. 10.5194/acp-23-7799-2023
- The reaction of organic peroxy radicals with unsaturated compounds controlled by a non-epoxide pathway under atmospheric conditions B. Nozière et al. 10.1039/D2CP05166D
- Characterization of a chemical modulation reactor (CMR) for the measurement of atmospheric concentrations of hydroxyl radicals with a laser-induced fluorescence instrument C. Cho et al. 10.5194/amt-14-1851-2021
- Opinion: Beyond global means – novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH) B. Duncan et al. 10.5194/acp-24-13001-2024
- A review of gas-phase chemical mechanisms commonly used in atmospheric chemistry modelling Y. Liu et al. 10.1016/j.jes.2022.10.031
- OH, HO2, and RO2 radical chemistry in a rural forest environment: measurements, model comparisons, and evidence of a missing radical sink B. Bottorff et al. 10.5194/acp-23-10287-2023
- Fluxes of H2S and SO2 above a subtropical forest under natural and disturbed conditions induced by temporal land-use change P. Ke et al. 10.1016/j.scitotenv.2021.152084
- Investigation of OH-reactivity budget in the isoprene, α-pinene and m-xylene oxidation with OH under high NOx conditions Y. Sakamoto et al. 10.1016/j.atmosenv.2021.118916
- Reaction of the Acetyl Peroxy Radical and OH Radical as a Source of Acetic Acid in the Atmosphere H. Chen et al. 10.1021/acsearthspacechem.4c00211
- Evaluation of local measurement-driven adjustments of modelled cloud-free atmospheric photolysis rate coefficients H. Walker et al. 10.1039/D2EA00072E
- A Review of the Direct Measurement of Total OH Reactivity: Ambient Air and Vehicular Emission X. Yang 10.3390/su152316246
- Understanding ozone episodes during the TRACER-AQ campaign in Houston, Texas: The role of transport and ozone production sensitivity to precursors E. Soleimanian et al. 10.1016/j.scitotenv.2023.165881
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
- Chemistry and human exposure implications of secondary organic aerosol production from indoor terpene ozonolysis C. Rosales et al. 10.1126/sciadv.abj9156
- Influence of Organized Turbulence on OH Reactivity at a Deciduous Forest O. Clifton et al. 10.1029/2022GL102548
2 citations as recorded by crossref.
- Peroxy radical measurements by ethane – nitric oxide chemical amplification and laser-induced fluorescence during the IRRONIC field campaign in a forest in Indiana S. Kundu et al. 10.5194/acp-19-9563-2019
- Implementation of a chemical background method for atmospheric OH measurements by laser-induced fluorescence: characterisation and observations from the UK and China R. Woodward-Massey et al. 10.5194/amt-13-3119-2020
Latest update: 25 Mar 2025
Short summary
The OH radical is the primary oxidant in the atmosphere, and measurements of its concentration provide a rigorous test of our understanding of atmospheric chemistry. Previous measurements of OH concentrations in forest environments have shown large discrepancies with model predictions. In this paper, we present measurements of OH in a forest in Indiana, USA, and compare the results to model predictions to test our understanding of this important chemistry.
The OH radical is the primary oxidant in the atmosphere, and measurements of its concentration...
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