Articles | Volume 22, issue 16
https://doi.org/10.5194/acp-22-10467-2022
© Author(s) 2022. 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-22-10467-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Aug 2022
Research article |
| 17 Aug 2022
| 17 Aug 2022
Investigating the global OH radical distribution using steady-state approximations and satellite data
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
Richard J. Pope
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
National Centre for Earth Observation, University of Leeds, Leeds, LS2 9JT, UK
Brian J. Kerridge
Remote Sensing Group, STFC Rutherford Appleton Laboratory, Chilton,
Oxfordshire, OX11 0QX, UK
National Centre for Earth Observation, STFC Rutherford Appleton
Laboratory, Chilton, Oxfordshire, OX11 0QX, UK
Barry G. Latter
Remote Sensing Group, STFC Rutherford Appleton Laboratory, Chilton,
Oxfordshire, OX11 0QX, UK
National Centre for Earth Observation, STFC Rutherford Appleton
Laboratory, Chilton, Oxfordshire, OX11 0QX, UK
Diane S. Knappett
Remote Sensing Group, STFC Rutherford Appleton Laboratory, Chilton,
Oxfordshire, OX11 0QX, UK
National Centre for Earth Observation, STFC Rutherford Appleton
Laboratory, Chilton, Oxfordshire, OX11 0QX, UK
Dwayne E. Heard
School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK
Lucy J. Ventress
Remote Sensing Group, STFC Rutherford Appleton Laboratory, Chilton,
Oxfordshire, OX11 0QX, UK
National Centre for Earth Observation, STFC Rutherford Appleton
Laboratory, Chilton, Oxfordshire, OX11 0QX, UK
Richard Siddans
Remote Sensing Group, STFC Rutherford Appleton Laboratory, Chilton,
Oxfordshire, OX11 0QX, UK
National Centre for Earth Observation, STFC Rutherford Appleton
Laboratory, Chilton, Oxfordshire, OX11 0QX, UK
Wuhu Feng
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
National Centre for Atmospheric Science, University of Leeds, Leeds, LS2 9PH, UK
Martyn P. Chipperfield
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
National Centre for Earth Observation, University of Leeds, Leeds, LS2 9JT, UK
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Cited
13 citations as recorded by crossref.
- Anthropogenic-driven perturbations on nitrogen cycles and interactions with climate changes C. Gong et al. 10.1016/j.cogsc.2024.100897
- When and why PM2.5 is high in Seoul, South Korea: Interpreting long-term (2015–2021) ground observations using machine learning and a chemical transport model H. Lee et al. 10.1016/j.scitotenv.2024.170822
- Quantifying the tropospheric ozone radiative effect and its temporal evolution in the satellite era R. Pope et al. 10.5194/acp-24-3613-2024
- Investigation of the summer 2018 European ozone air pollution episodes using novel satellite data and modelling R. Pope et al. 10.5194/acp-23-13235-2023
- 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
- Numerical analysis of CH4 concentration distributions over East Asia with a regional chemical transport model L. Qin et al. 10.1016/j.atmosenv.2023.120207
- Investigation of the impact of satellite vertical sensitivity on long-term retrieved lower-tropospheric ozone trends R. Pope et al. 10.5194/acp-24-9177-2024
- Enhanced HONO Formation from Aqueous Nitrate Photochemistry in the Presence of Marine Relevant Organics: Impact of Marine-Dissolved Organic Matter (m-DOM) Concentration on HONO Yields and Potential Synergistic Effects of Compounds within m-DOM S. Mora García et al. 10.1021/acsestair.4c00006
- Enhanced atmospheric oxidation toward carbon neutrality reduces methane’s climate forcing M. Liu et al. 10.1038/s41467-024-47436-9
- An observation-based, reduced-form model for oxidation in the remote marine troposphere C. Baublitz et al. 10.1073/pnas.2209735120
- Quantifying large methane emissions from the Nord Stream pipeline gas leak of September 2022 using IASI satellite observations and inverse modelling C. Wilson et al. 10.5194/acp-24-10639-2024
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. 10.1146/annurev-earth-032320-090307
- Technical note: Constraining the hydroxyl (OH) radical in the tropics with satellite observations of its drivers – first steps toward assessing the feasibility of a global observation strategy D. Anderson et al. 10.5194/acp-23-6319-2023
13 citations as recorded by crossref.
- Anthropogenic-driven perturbations on nitrogen cycles and interactions with climate changes C. Gong et al. 10.1016/j.cogsc.2024.100897
- When and why PM2.5 is high in Seoul, South Korea: Interpreting long-term (2015–2021) ground observations using machine learning and a chemical transport model H. Lee et al. 10.1016/j.scitotenv.2024.170822
- Quantifying the tropospheric ozone radiative effect and its temporal evolution in the satellite era R. Pope et al. 10.5194/acp-24-3613-2024
- Investigation of the summer 2018 European ozone air pollution episodes using novel satellite data and modelling R. Pope et al. 10.5194/acp-23-13235-2023
- 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
- Numerical analysis of CH4 concentration distributions over East Asia with a regional chemical transport model L. Qin et al. 10.1016/j.atmosenv.2023.120207
- Investigation of the impact of satellite vertical sensitivity on long-term retrieved lower-tropospheric ozone trends R. Pope et al. 10.5194/acp-24-9177-2024
- Enhanced HONO Formation from Aqueous Nitrate Photochemistry in the Presence of Marine Relevant Organics: Impact of Marine-Dissolved Organic Matter (m-DOM) Concentration on HONO Yields and Potential Synergistic Effects of Compounds within m-DOM S. Mora García et al. 10.1021/acsestair.4c00006
- Enhanced atmospheric oxidation toward carbon neutrality reduces methane’s climate forcing M. Liu et al. 10.1038/s41467-024-47436-9
- An observation-based, reduced-form model for oxidation in the remote marine troposphere C. Baublitz et al. 10.1073/pnas.2209735120
- Quantifying large methane emissions from the Nord Stream pipeline gas leak of September 2022 using IASI satellite observations and inverse modelling C. Wilson et al. 10.5194/acp-24-10639-2024
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. 10.1146/annurev-earth-032320-090307
- Technical note: Constraining the hydroxyl (OH) radical in the tropics with satellite observations of its drivers – first steps toward assessing the feasibility of a global observation strategy D. Anderson et al. 10.5194/acp-23-6319-2023
Latest update: 30 Jan 2025
Short summary
We present a new method to derive global information of the hydroxyl radical (OH), an important atmospheric oxidant. OH controls the lifetime of trace gases important to air quality and climate. We use satellite observations of ozone, carbon monoxide, methane and water vapour in a simple expression to derive OH around 3–4 km altitude. The derived OH compares well to model and aircraft OH data. We then apply the method to 10 years of satellite data to study the inter-annual variability of OH.
We present a new method to derive global information of the hydroxyl radical (OH), an important...
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