Katie Read
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View article: Observational ozone datasets over the global oceans and polar regions (version 2024)
Observational ozone datasets over the global oceans and polar regions (version 2024) Open
Studying tropospheric ozone over the remote areas of the planet, such as the open oceans and the polar regions, is crucial to understand the role of ozone as a global climate forcer and regulator of atmospheric oxidative capacity. A focus …
View article: Constraining elemental mercury air–sea exchange using long-term ground-based observations
Constraining elemental mercury air–sea exchange using long-term ground-based observations Open
Air–sea exchange of gaseous elemental mercury (Hg0) is a major component of the global mercury (Hg) biogeochemical cycle but remains poorly understood due to sparse in situ measurements. Here, we used long-term atmospheric Hg0 (Hgair0) obs…
View article: Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024
Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024 Open
Studying tropospheric ozone over the remote areas of the planet, such as the open oceans and the polar regions, is crucial to understand the role of ozone as a global climate forcer and regulator of atmospheric oxidative capacity. A focus …
View article: Data supporting the North Atlantic Climate System Integrated Study (ACSIS) programme, including atmospheric composition; oceanographic and sea-ice observations (2016–2022); and output from ocean, atmosphere, land, and sea-ice models (1950–2050)
Data supporting the North Atlantic Climate System Integrated Study (ACSIS) programme, including atmospheric composition; oceanographic and sea-ice observations (2016–2022); and output from ocean, atmosphere, land, and sea-ice models (1950–2050) Open
The North Atlantic Climate System Integrated Study (ACSIS) was a large multidisciplinary research programme funded by the UK's Natural Environment Research Council (NERC). ACSIS ran from 2016 to 2022 and brought together around 80 scientis…
View article: Constraining elemental mercury air–sea exchange using long-term ground-based observations
Constraining elemental mercury air–sea exchange using long-term ground-based observations Open
Air-sea exchange of gaseous elemental mercury (Hg0) is a major component of the global mercury (Hg) biogeochemical cycle but remains poorly understood due to sparse in situ measurements. Here, we used long-term atmospheric Hg0 (Hg0air) obs…
View article: Revising VOC emissions speciation improves the simulation of global background ethane and propane
Revising VOC emissions speciation improves the simulation of global background ethane and propane Open
Non-methane volatile organic compounds (NMVOCs) generate ozone (O3) when they are oxidised in the presence of oxides of nitrogen, modulate the oxidative capacity of the atmosphere and can lead to the formation of aerosol. Here, we assess t…
View article: Comment on essd-2023-405
Comment on essd-2023-405 Open
Abstract. The North Atlantic Climate System: Integrated Study (ACSIS) was a large multidisciplinary research programme funded by the United Kingdom’s Natural Environment Research Council (NERC). ACSIS ran from 2016–22 and brought together …
View article: Discovering global-scale processes in the marine atmosphere
Discovering global-scale processes in the marine atmosphere Open
Measurements in the remote unpolluted atmosphere have tremendous power to reveal processes that are happening on a global scale.   In the marine atmosphere where nitrogen oxide (NOx) levels are very low,  the photochemical l…
View article: Significant missing OH reactivity in the tropical marine boundary layer
Significant missing OH reactivity in the tropical marine boundary layer Open
It has recently been highlighted that observed OH reactivity (kOH) in the remote marine boundary layer cannot be fully explained by the measured or modelled speciated VOCs [1]. Understanding the identity and magnitude of the species that c…
View article: Measurements and experimental budget analysis of OH, HO2 and RO2 radicals in a remote tropical marine location
Measurements and experimental budget analysis of OH, HO2 and RO2 radicals in a remote tropical marine location Open
The OH radical is the dominant daytime tropospheric oxidising agent, reacting with almost all Volatile Organic Compounds (VOCs). The majority of global methane is removed in the tropical troposphere by OH. The oxidation of VOCs by OH forms…
View article: Data supporting the North Atlantic Climate System: Integrated Studies (ACSIS) programme, including atmospheric composition, oceanographic and sea ice observations (2016–2022) and output from ocean, atmosphere, land and sea-ice models (1950–2050)
Data supporting the North Atlantic Climate System: Integrated Studies (ACSIS) programme, including atmospheric composition, oceanographic and sea ice observations (2016–2022) and output from ocean, atmosphere, land and sea-ice models (1950–2050) Open
The North Atlantic Climate System: Integrated Study (ACSIS) was a large multidisciplinary research programme funded by the United Kingdom’s Natural Environment Research Council (NERC). ACSIS ran from 2016–22 and brought together around 80 …
View article: Comment on egusphere-2023-2557
Comment on egusphere-2023-2557 Open
Abstract. Non-Methane Volatile Organic Compounds (NMVOCs) generate ozone (O3) when they are oxidized in the presence of oxides of nitrogen, modulate the oxidative capacity of the atmosphere and can lead to the formation of aerosol. Here, w…
View article: Revising VOC emissions speciation improves global simulations of ethane and propane
Revising VOC emissions speciation improves global simulations of ethane and propane Open
Non-Methane Volatile Organic Compounds (NMVOCs) generate ozone (O3) when they are oxidized in the presence of oxides of nitrogen, modulate the oxidative capacity of the atmosphere and can lead to the formation of aerosol. Here, we assess t…
View article: Extensive field evidence for the release of HONO from the photolysis of nitrate aerosols
Extensive field evidence for the release of HONO from the photolysis of nitrate aerosols Open
Particulate nitrate ( ) has long been considered a permanent sink for NO x (NO and NO 2 ), removing a gaseous pollutant that is central to air quality and that influences the global self-cleansing capacity of the atmosphere. Evidenc…
View article: Fundamental oxidation processes in the remote marine atmosphere investigated using the NO–NO <sub>2</sub> –O <sub>3</sub> photostationary state
Fundamental oxidation processes in the remote marine atmosphere investigated using the NO–NO <sub>2</sub> –O <sub>3</sub> photostationary state Open
The photostationary state (PSS) equilibrium between NO and NO2 is reached within minutes in the atmosphere and can be described by the PSS parameter, φ. Deviations from expected values of φ have previously been used to infer missing oxidan…
View article: Air pollution measurement errors: is your data fit for purpose?
Air pollution measurement errors: is your data fit for purpose? Open
When making measurements of air quality, having a reliable estimate of the measurement uncertainty is key to assessing the information content that an instrument is capable of providing, and thus its usefulness in a particular application.…
View article: Comment on acp-2022-390
Comment on acp-2022-390 Open
Abstract. The photostationary state (PSS) equilibrium between NO and NO2 is reached within minutes in the atmosphere and can be described by the PSS parameter, φ. Deviations from expected values of φ have previously been used to infer miss…
View article: Fundamental Oxidation Processes in the Remote Marine Atmosphere Investigated Using the NO-NO <sub>2</sub> -O <sub>3</sub> Photostationary State
Fundamental Oxidation Processes in the Remote Marine Atmosphere Investigated Using the NO-NO <sub>2</sub> -O <sub>3</sub> Photostationary State Open
The photostationary state (PSS) equilibrium between NO and NO2 is reached within minutes in the atmosphere and can be described by the PSS parameter, φ. Deviations from expected values of φ have previously been used to infer missing oxidan…
View article: Observations and modelling of glyoxal in the tropical Atlantic marine boundary layer
Observations and modelling of glyoxal in the tropical Atlantic marine boundary layer Open
In situ field measurements of glyoxal at the surface in the tropical marine boundary layer have been made with a temporal resolution of a few minutes during two 4-week campaigns in June–July and August–September 2014 at the Cape Verde Atmo…
View article: Comment on amt-2022-58
Comment on amt-2022-58 Open
Abstract. When making measurements of air quality, having a reliable estimate of the measurement uncertainty is key to assessing the information content that an instrument is capable of providing, and thus its usefulness in a particular ap…
View article: Comment on amt-2022-58
Comment on amt-2022-58 Open
When making measurements of air quality, having a reliable estimate of the measurement uncertainty is key to assessing the information content that an instrument is capable of providing, and thus its usefulness in a particular application.…
View article: Air pollution measurement errors: Is your data fit for purpose?
Air pollution measurement errors: Is your data fit for purpose? Open
When making measurements of air quality, having a reliable estimate of the measurement uncertainty is key to assessing the information content that an instrument is capable of providing, and thus its usefulness in a particular application.…
View article: Comment on acp-2021-940
Comment on acp-2021-940 Open
Abstract. In situ field measurements of glyoxal at the surface in the tropical marine boundary layer have been made with a temporal resolution of a few minutes during two 4-week campaigns in JuneâJuly and AugustâSeptember 2014 at the C…
View article: Comment on acp-2021-940
Comment on acp-2021-940 Open
Abstract. In situ field measurements of glyoxal at the surface in the tropical marine boundary layer have been made with a temporal resolution of a few minutes during two 4-week campaigns in June–July and August–September 2014 at the Cape …