Articles | Volume 10, issue 18
https://doi.org/10.5194/acp-10-8783-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-10-8783-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
17 Sep 2010
Observations of OH and HO2 radicals over West Africa
R. Commane
School of Chemistry, University of Leeds, LS2 9JT, UK
now at: School of Engineering & Applied Sciences, Harvard University, Cambridge, USA
C. F. A. Floquet
School of Chemistry, University of Leeds, LS2 9JT, UK
now at: National Oceanography Centre, University of Southampton, Southampton, UK
T. Ingham
School of Chemistry, University of Leeds, LS2 9JT, UK
National Centre for Atmospheric Science, University of Leeds, LS2 9JT, UK
D. Stone
School of Chemistry, University of Leeds, LS2 9JT, UK
Institute for Climate & Atmospheric Science, School of Earth & Environment, University of Leeds, LS2 9JT, UK
M. J. Evans
Institute for Climate & Atmospheric Science, School of Earth & Environment, University of Leeds, LS2 9JT, UK
D. E. Heard
School of Chemistry, University of Leeds, LS2 9JT, UK
National Centre for Atmospheric Science, University of Leeds, LS2 9JT, UK
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Cited
43 citations as recorded by crossref.
- Measurements of HO2 uptake coefficient on aqueous (NH4)2SO4 aerosol using aerosol flow tube with LIF system Q. Zou et al. 10.1016/j.cclet.2019.07.041
- Tropospheric Aqueous-Phase Chemistry: Kinetics, Mechanisms, and Its Coupling to a Changing Gas Phase H. Herrmann et al. 10.1021/cr500447k
- Hydrogen oxide photochemistry in the northern Canadian spring time boundary layer P. Edwards et al. 10.1029/2011JD016390
- Elevated levels of OH observed in haze events during wintertime in central Beijing E. Slater et al. 10.5194/acp-20-14847-2020
- Atmospheric oxidation in the presence of clouds during the Deep Convective Clouds and Chemistry (DC3) study W. Brune et al. 10.5194/acp-18-14493-2018
- Measurement of OH reactivity by laser flash photolysis coupled with laser-induced fluorescence spectroscopy D. Stone et al. 10.5194/amt-9-2827-2016
- Aircraft observations of the lower troposphere above a megacity: Alkyl nitrate and ozone chemistry E. Aruffo et al. 10.1016/j.atmosenv.2014.05.040
- Atmospheric Factors Affecting a Decrease in the Night-Time Concentrations of Tropospheric Ozone in a Low-Polluted Urban Area K. Warmiński & A. Bęś 10.1007/s11270-018-4012-x
- Isoprene oxidation mechanisms: measurements and modelling of OH and HO<sub>2</sub> over a South-East Asian tropical rainforest during the OP3 field campaign D. Stone et al. 10.5194/acp-11-6749-2011
- Comparison of temperature-dependent calibration methods of an instrument to measure OH and HO2 radicals using laser-induced fluorescence spectroscopy F. Winiberg et al. 10.5194/amt-16-4375-2023
- Seasonal characteristics of tropical marine boundary layer air measured at the Cape Verde Atmospheric Observatory L. Carpenter et al. 10.1007/s10874-011-9206-1
- Isoprene emissions in Africa inferred from OMI observations of formaldehyde columns E. Marais et al. 10.5194/acp-12-6219-2012
- HO<sub>x</sub> observations over West Africa during AMMA: impact of isoprene and NO<sub>x</sub> D. Stone et al. 10.5194/acp-10-9415-2010
- Tropospheric OH and HO2 radicals: field measurements and model comparisons D. Stone et al. 10.1039/c2cs35140d
- Modelling multiphase chemistry in deliquescent aerosols and clouds using CAPRAM3.0i A. Tilgner et al. 10.1007/s10874-013-9267-4
- Hydroxyl, hydroperoxyl free radicals determination methods in atmosphere and troposphere G. Wang et al. 10.1016/j.jes.2020.06.038
- Reporting the sensitivity of laser-induced fluorescence instruments used for HO<sub>2</sub> detection to an interference from RO<sub>2</sub> radicals and introducing a novel approach that enables HO<sub>2</sub> and certain RO<sub>2</sub> types to be selectively measured L. Whalley et al. 10.5194/amt-6-3425-2013
- Photolysis, OH reactivity and ozone reactivity of a proxy for isoprene-derived hydroperoxyenals (HPALDs) G. Wolfe et al. 10.1039/c2cp40388a
- The influence of clouds on radical concentrations: observations and modelling studies of HO<sub>x</sub> during the Hill Cap Cloud Thuringia (HCCT) campaign in 2010 L. Whalley et al. 10.5194/acp-15-3289-2015
- Peroxy radical partitioning during the AMMA radical intercomparison exercise M. Andrés-Hernández et al. 10.5194/acp-10-10621-2010
- Radical loss in the atmosphere from Cu-Fe redox coupling in aerosols J. Mao et al. 10.5194/acp-13-509-2013
- Experimental and Theoretical Study of the OH-Initiated Degradation of Piperidine under Simulated Atmospheric Conditions W. Tan et al. 10.1021/acs.jpca.3c08415
- Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NO<sub><i>x</i></sub> in Beijing L. Whalley et al. 10.5194/acp-21-2125-2021
- Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: comparison of measurements with the box model MECCA D. Kubistin et al. 10.5194/acp-10-9705-2010
- Radical chemistry at night: comparisons between observed and modelled HO<sub>x</sub>, NO<sub>3</sub> and N<sub>2</sub>O<sub>5</sub> during the RONOCO project D. Stone et al. 10.5194/acp-14-1299-2014
- The IPAC-NC field campaign: a pollution and oxidization pool in the lower atmosphere over Huabei, China J. Ma et al. 10.5194/acp-12-3883-2012
- Night-time measurements of HO<sub><i>x</i></sub> during the RONOCO project and analysis of the sources of HO<sub>2</sub> H. Walker et al. 10.5194/acp-15-8179-2015
- LES study of the impact of moist thermals on the oxidative capacity of the atmosphere in southern West Africa F. Brosse et al. 10.5194/acp-18-6601-2018
- Airborne intercomparison of HO<sub>x</sub> measurements using laser-induced fluorescence and chemical ionization mass spectrometry during ARCTAS X. Ren et al. 10.5194/amt-5-2025-2012
- Derivation of Hydroperoxyl Radical Levels at an Urban Site via Measurement of Pernitric Acid by Iodide Chemical Ionization Mass Spectrometry D. Chen et al. 10.1021/acs.est.6b05169
- Low-NO atmospheric oxidation pathways in a polluted megacity M. Newland et al. 10.5194/acp-21-1613-2021
- Pressure-dependent calibration of the OH and HO<sub>2</sub> channels of a FAGE HO<sub>x</sub> instrument using the Highly Instrumented Reactor for Atmospheric Chemistry (HIRAC) F. Winiberg et al. 10.5194/amt-8-523-2015
- Seasonal observations of OH and HO<sub>2</sub> in the remote tropical marine boundary layer S. Vaughan et al. 10.5194/acp-12-2149-2012
- Modeling the Processing of Aerosol and Trace Gases in Clouds and Fogs B. Ervens 10.1021/cr5005887
- Using the ReaxFF reactive force field for molecular dynamics simulations of the spontaneous combustion of lignite with the Hatcher lignite model B. Chen et al. 10.1016/j.fuel.2013.07.113
- Iodine monoxide at a clean marine coastal site: observations of high frequency variations and inhomogeneous distributions R. Commane et al. 10.5194/acp-11-6721-2011
- Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo) L. Whalley et al. 10.5194/acp-18-2547-2018
- Measurements of uptake coefficients for heterogeneous loss of HO2 onto submicron inorganic salt aerosols I. George et al. 10.1039/c3cp51831k
- Impact of HO2 aerosol uptake on radical levels and O3 production during summertime in Beijing J. Dyson et al. 10.5194/acp-23-5679-2023
- Measurements of volatile organic compounds over West Africa J. Murphy et al. 10.5194/acp-10-5281-2010
- Atmospheric composition of West Africa: highlights from the AMMA international program C. Mari et al. 10.1002/asl.289
- Chemical and aerosol characterisation of the troposphere over West Africa during the monsoon period as part of AMMA C. Reeves et al. 10.5194/acp-10-7575-2010
- Measurements of nitrogen oxides from Hudson Bay: Implications for NOx release from snow and ice covered surfaces S. Moller et al. 10.1016/j.atmosenv.2010.05.015
39 citations as recorded by crossref.
- Measurements of HO2 uptake coefficient on aqueous (NH4)2SO4 aerosol using aerosol flow tube with LIF system Q. Zou et al. 10.1016/j.cclet.2019.07.041
- Tropospheric Aqueous-Phase Chemistry: Kinetics, Mechanisms, and Its Coupling to a Changing Gas Phase H. Herrmann et al. 10.1021/cr500447k
- Hydrogen oxide photochemistry in the northern Canadian spring time boundary layer P. Edwards et al. 10.1029/2011JD016390
- Elevated levels of OH observed in haze events during wintertime in central Beijing E. Slater et al. 10.5194/acp-20-14847-2020
- Atmospheric oxidation in the presence of clouds during the Deep Convective Clouds and Chemistry (DC3) study W. Brune et al. 10.5194/acp-18-14493-2018
- Measurement of OH reactivity by laser flash photolysis coupled with laser-induced fluorescence spectroscopy D. Stone et al. 10.5194/amt-9-2827-2016
- Aircraft observations of the lower troposphere above a megacity: Alkyl nitrate and ozone chemistry E. Aruffo et al. 10.1016/j.atmosenv.2014.05.040
- Atmospheric Factors Affecting a Decrease in the Night-Time Concentrations of Tropospheric Ozone in a Low-Polluted Urban Area K. Warmiński & A. Bęś 10.1007/s11270-018-4012-x
- Isoprene oxidation mechanisms: measurements and modelling of OH and HO<sub>2</sub> over a South-East Asian tropical rainforest during the OP3 field campaign D. Stone et al. 10.5194/acp-11-6749-2011
- Comparison of temperature-dependent calibration methods of an instrument to measure OH and HO2 radicals using laser-induced fluorescence spectroscopy F. Winiberg et al. 10.5194/amt-16-4375-2023
- Seasonal characteristics of tropical marine boundary layer air measured at the Cape Verde Atmospheric Observatory L. Carpenter et al. 10.1007/s10874-011-9206-1
- Isoprene emissions in Africa inferred from OMI observations of formaldehyde columns E. Marais et al. 10.5194/acp-12-6219-2012
- HO<sub>x</sub> observations over West Africa during AMMA: impact of isoprene and NO<sub>x</sub> D. Stone et al. 10.5194/acp-10-9415-2010
- Tropospheric OH and HO2 radicals: field measurements and model comparisons D. Stone et al. 10.1039/c2cs35140d
- Modelling multiphase chemistry in deliquescent aerosols and clouds using CAPRAM3.0i A. Tilgner et al. 10.1007/s10874-013-9267-4
- Hydroxyl, hydroperoxyl free radicals determination methods in atmosphere and troposphere G. Wang et al. 10.1016/j.jes.2020.06.038
- Reporting the sensitivity of laser-induced fluorescence instruments used for HO<sub>2</sub> detection to an interference from RO<sub>2</sub> radicals and introducing a novel approach that enables HO<sub>2</sub> and certain RO<sub>2</sub> types to be selectively measured L. Whalley et al. 10.5194/amt-6-3425-2013
- Photolysis, OH reactivity and ozone reactivity of a proxy for isoprene-derived hydroperoxyenals (HPALDs) G. Wolfe et al. 10.1039/c2cp40388a
- The influence of clouds on radical concentrations: observations and modelling studies of HO<sub>x</sub> during the Hill Cap Cloud Thuringia (HCCT) campaign in 2010 L. Whalley et al. 10.5194/acp-15-3289-2015
- Peroxy radical partitioning during the AMMA radical intercomparison exercise M. Andrés-Hernández et al. 10.5194/acp-10-10621-2010
- Radical loss in the atmosphere from Cu-Fe redox coupling in aerosols J. Mao et al. 10.5194/acp-13-509-2013
- Experimental and Theoretical Study of the OH-Initiated Degradation of Piperidine under Simulated Atmospheric Conditions W. Tan et al. 10.1021/acs.jpca.3c08415
- Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NO<sub><i>x</i></sub> in Beijing L. Whalley et al. 10.5194/acp-21-2125-2021
- Hydroxyl radicals in the tropical troposphere over the Suriname rainforest: comparison of measurements with the box model MECCA D. Kubistin et al. 10.5194/acp-10-9705-2010
- Radical chemistry at night: comparisons between observed and modelled HO<sub>x</sub>, NO<sub>3</sub> and N<sub>2</sub>O<sub>5</sub> during the RONOCO project D. Stone et al. 10.5194/acp-14-1299-2014
- The IPAC-NC field campaign: a pollution and oxidization pool in the lower atmosphere over Huabei, China J. Ma et al. 10.5194/acp-12-3883-2012
- Night-time measurements of HO<sub><i>x</i></sub> during the RONOCO project and analysis of the sources of HO<sub>2</sub> H. Walker et al. 10.5194/acp-15-8179-2015
- LES study of the impact of moist thermals on the oxidative capacity of the atmosphere in southern West Africa F. Brosse et al. 10.5194/acp-18-6601-2018
- Airborne intercomparison of HO<sub>x</sub> measurements using laser-induced fluorescence and chemical ionization mass spectrometry during ARCTAS X. Ren et al. 10.5194/amt-5-2025-2012
- Derivation of Hydroperoxyl Radical Levels at an Urban Site via Measurement of Pernitric Acid by Iodide Chemical Ionization Mass Spectrometry D. Chen et al. 10.1021/acs.est.6b05169
- Low-NO atmospheric oxidation pathways in a polluted megacity M. Newland et al. 10.5194/acp-21-1613-2021
- Pressure-dependent calibration of the OH and HO<sub>2</sub> channels of a FAGE HO<sub>x</sub> instrument using the Highly Instrumented Reactor for Atmospheric Chemistry (HIRAC) F. Winiberg et al. 10.5194/amt-8-523-2015
- Seasonal observations of OH and HO<sub>2</sub> in the remote tropical marine boundary layer S. Vaughan et al. 10.5194/acp-12-2149-2012
- Modeling the Processing of Aerosol and Trace Gases in Clouds and Fogs B. Ervens 10.1021/cr5005887
- Using the ReaxFF reactive force field for molecular dynamics simulations of the spontaneous combustion of lignite with the Hatcher lignite model B. Chen et al. 10.1016/j.fuel.2013.07.113
- Iodine monoxide at a clean marine coastal site: observations of high frequency variations and inhomogeneous distributions R. Commane et al. 10.5194/acp-11-6721-2011
- Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo) L. Whalley et al. 10.5194/acp-18-2547-2018
- Measurements of uptake coefficients for heterogeneous loss of HO2 onto submicron inorganic salt aerosols I. George et al. 10.1039/c3cp51831k
- Impact of HO2 aerosol uptake on radical levels and O3 production during summertime in Beijing J. Dyson et al. 10.5194/acp-23-5679-2023
4 citations as recorded by crossref.
- Measurements of volatile organic compounds over West Africa J. Murphy et al. 10.5194/acp-10-5281-2010
- Atmospheric composition of West Africa: highlights from the AMMA international program C. Mari et al. 10.1002/asl.289
- Chemical and aerosol characterisation of the troposphere over West Africa during the monsoon period as part of AMMA C. Reeves et al. 10.5194/acp-10-7575-2010
- Measurements of nitrogen oxides from Hudson Bay: Implications for NOx release from snow and ice covered surfaces S. Moller et al. 10.1016/j.atmosenv.2010.05.015
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