Articles | Volume 21, issue 8
https://doi.org/10.5194/acp-21-6481-2021
© Author(s) 2021. 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-21-6481-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Apr 2021
Research article |
| 30 Apr 2021
| 30 Apr 2021
Spatial and temporal variability in the hydroxyl (OH) radical: understanding the role of large-scale climate features and their influence on OH through its dynamical and photochemical drivers
Daniel C. Anderson
CORRESPONDING AUTHOR
Universities Space Research Association, GESTAR, Columbia, MD, USA
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Bryan N. Duncan
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Arlene M. Fiore
Department of Earth and Environmental Sciences, Columbia University, Palisades, NY, USA
Colleen B. Baublitz
Department of Earth and Environmental Sciences, Columbia University, Palisades, NY, USA
Melanie B. Follette-Cook
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
GESTAR, Morgan State University, Baltimore, MD, USA
Julie M. Nicely
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
Glenn M. Wolfe
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
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Cited
18 citations as recorded by crossref.
- Large and increasing methane emissions from eastern Amazonia derived from satellite data, 2010–2018 C. Wilson et al. 10.5194/acp-21-10643-2021
- Investigating the global OH radical distribution using steady-state approximations and satellite data M. Pimlott et al. 10.5194/acp-22-10467-2022
- An observation-based, reduced-form model for oxidation in the remote marine troposphere C. Baublitz et al. 10.1073/pnas.2209735120
- The impact of internal climate variability on OH trends between 2005 and 2014 Q. Zhu et al. 10.1088/1748-9326/ad4b47
- Using Regionalized Air Quality Model Performance and Bayesian Maximum Entropy data fusion to map global surface ozone concentration J. Becker et al. 10.1525/elementa.2022.00025
- ENSO Teleconnection to Interannual Variability in Carbon Monoxide Over the North Atlantic European Region in Spring Y. Liu et al. 10.3389/fenvs.2022.894779
- A machine learning methodology for the generation of a parameterization of the hydroxyl radical D. Anderson et al. 10.5194/gmd-15-6341-2022
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. 10.1146/annurev-earth-032320-090307
- A high-resolution satellite-based map of global methane emissions reveals missing wetland, fossil fuel, and monsoon sources X. Yu et al. 10.5194/acp-23-3325-2023
- Deconstruction of tropospheric chemical reactivity using aircraft measurements: the Atmospheric Tomography Mission (ATom) data M. Prather et al. 10.5194/essd-15-3299-2023
- Exploring the drivers of tropospheric hydroxyl radical trends in the Geophysical Fluid Dynamics Laboratory AM4.1 atmospheric chemistry–climate model G. Chua et al. 10.5194/acp-23-4955-2023
- An Improved CH4 Profile Retrieving Method for Ground-Based Differential Absorption Lidar L. Fan et al. 10.3390/atmos15080937
- Hydroxyl Radical (OH) Response to Meteorological Forcing and Implication for the Methane Budget J. He et al. 10.1029/2021GL094140
- 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
- Enhancing long-term trend simulation of the global tropospheric hydroxyl (TOH) and its drivers from 2005 to 2019: a synergistic integration of model simulations and satellite observations A. Souri et al. 10.5194/acp-24-8677-2024
- Interannual changes in atmospheric oxidation over forests determined from space J. Shutter et al. 10.1126/sciadv.adn1115
- 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
- Estimation of the atmospheric hydroxyl radical oxidative capacity using multiple hydrofluorocarbons (HFCs) R. Thompson et al. 10.5194/acp-24-1415-2024
18 citations as recorded by crossref.
- Large and increasing methane emissions from eastern Amazonia derived from satellite data, 2010–2018 C. Wilson et al. 10.5194/acp-21-10643-2021
- Investigating the global OH radical distribution using steady-state approximations and satellite data M. Pimlott et al. 10.5194/acp-22-10467-2022
- An observation-based, reduced-form model for oxidation in the remote marine troposphere C. Baublitz et al. 10.1073/pnas.2209735120
- The impact of internal climate variability on OH trends between 2005 and 2014 Q. Zhu et al. 10.1088/1748-9326/ad4b47
- Using Regionalized Air Quality Model Performance and Bayesian Maximum Entropy data fusion to map global surface ozone concentration J. Becker et al. 10.1525/elementa.2022.00025
- ENSO Teleconnection to Interannual Variability in Carbon Monoxide Over the North Atlantic European Region in Spring Y. Liu et al. 10.3389/fenvs.2022.894779
- A machine learning methodology for the generation of a parameterization of the hydroxyl radical D. Anderson et al. 10.5194/gmd-15-6341-2022
- Climate and Tropospheric Oxidizing Capacity A. Fiore et al. 10.1146/annurev-earth-032320-090307
- A high-resolution satellite-based map of global methane emissions reveals missing wetland, fossil fuel, and monsoon sources X. Yu et al. 10.5194/acp-23-3325-2023
- Deconstruction of tropospheric chemical reactivity using aircraft measurements: the Atmospheric Tomography Mission (ATom) data M. Prather et al. 10.5194/essd-15-3299-2023
- Exploring the drivers of tropospheric hydroxyl radical trends in the Geophysical Fluid Dynamics Laboratory AM4.1 atmospheric chemistry–climate model G. Chua et al. 10.5194/acp-23-4955-2023
- An Improved CH4 Profile Retrieving Method for Ground-Based Differential Absorption Lidar L. Fan et al. 10.3390/atmos15080937
- Hydroxyl Radical (OH) Response to Meteorological Forcing and Implication for the Methane Budget J. He et al. 10.1029/2021GL094140
- 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
- Enhancing long-term trend simulation of the global tropospheric hydroxyl (TOH) and its drivers from 2005 to 2019: a synergistic integration of model simulations and satellite observations A. Souri et al. 10.5194/acp-24-8677-2024
- Interannual changes in atmospheric oxidation over forests determined from space J. Shutter et al. 10.1126/sciadv.adn1115
- 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
- Estimation of the atmospheric hydroxyl radical oxidative capacity using multiple hydrofluorocarbons (HFCs) R. Thompson et al. 10.5194/acp-24-1415-2024
Latest update: 13 Dec 2024
Short summary
We demonstrate that large-scale climate features are the primary driver of year-to-year variability in simulated values of the hydroxyl radical, the primary atmospheric oxidant, over 1980–2018. The El Niño–Southern Oscillation is the dominant mode of hydroxyl variability, resulting in large-scale global decreases in OH during El Niño events. Other climate modes, such as the Australian monsoon and the North Atlantic Oscillation, have impacts of similar magnitude but on on more localized scales.
We demonstrate that large-scale climate features are the primary driver of year-to-year...
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