Caleb Arata
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View article: Influence of Cleaning on Indoor Air Concentrations of Volatile and Semivolatile Organic Compounds in Residences
Influence of Cleaning on Indoor Air Concentrations of Volatile and Semivolatile Organic Compounds in Residences Open
Cleaning activities can affect indoor air composition long after the cleaning is completed. Utilizing data from detailed observational monitoring campaigns, conducted over 21 weeks, we explore the influence of cleaning activities in two no…
View article: Inequality in Hazardous Air Pollutant Emissions and Concentrations Measured Over Los Angeles
Inequality in Hazardous Air Pollutant Emissions and Concentrations Measured Over Los Angeles Open
In Los Angeles, air pollution disproportionately impacts communities of color and low-income residents. Routine city-wide measurements of hazardous air pollutants (HAPs), of concern for health and contributing to urban air pollution, are n…
View article: Inequality in hazardous volatile organic compound (VOC) emissions and concentrations measured over Los Angeles
Inequality in hazardous volatile organic compound (VOC) emissions and concentrations measured over Los Angeles Open
In the United States, PM2.5 and NOx pollution disproportionately burden communities of color and of lower income. However, such information is lacking when it comes to hazardous air pollutants (HAPs) like toxic volatile organic compounds, …
View article: Incorporating Cooking Emissions To Better Simulate the Impact of Zero-Emission Vehicle Adoption on Ozone Pollution in Los Angeles
Incorporating Cooking Emissions To Better Simulate the Impact of Zero-Emission Vehicle Adoption on Ozone Pollution in Los Angeles Open
Despite decades of emission control measures aimed at improving air quality, Los Angeles (LA) continues to experience severe ozone pollution during the summertime. We incorporate cooking volatile organic compound (VOC) emissions in a chemi…
View article: Modelling indoor radical chemistry during the HOMEChem campaign
Modelling indoor radical chemistry during the HOMEChem campaign Open
Measurements from the HOMEChem campaign have been constrained and modelled, identifying how cooking and cleaning affect indoor radical reactivities and concentrations.
View article: A better representation of volatile organic compound chemistry in WRF-Chem and its impact on ozone over Los Angeles
A better representation of volatile organic compound chemistry in WRF-Chem and its impact on ozone over Los Angeles Open
The declining trend in vehicle emissions has underscored the growing significance of volatile organic compound (VOC) emissions from volatile chemical products (VCPs). However, accurately representing VOC chemistry in simplified chemical me…
View article: Volatile Organic Compound Composition and Emissions in a Residential Attic
Volatile Organic Compound Composition and Emissions in a Residential Attic Open
Volatile organic compounds (VOCs) are important constituents of indoor and urban air pollution. Emissions into building attics have rarely been studied, resulting in a lack of information about this potentially important air pollution sour…
View article: Bedroom Concentrations and Emissions of Volatile Organic Compounds during Sleep
Bedroom Concentrations and Emissions of Volatile Organic Compounds during Sleep Open
Because humans spend about one-third of their time asleep in their bedrooms and are themselves emission sources of volatile organic compounds (VOCs), it is important to specifically characterize the composition of the bedroom air that they…
View article: Airborne flux measurements for validation of VOC emission inventories and source attribution
Airborne flux measurements for validation of VOC emission inventories and source attribution Open
For accurate prediction and modelling of air quality and climate, it is necessary to understand the emissions of volatile organic compounds (VOCs) from the potpourri of sources that they are emitted from: traffic, industry, households, pla…
View article: Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds
Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds Open
Proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS) is a technique commonly used to measure ambient volatile organic compounds (VOCs) in urban, rural, and remote environments. PTR-ToF-MS is known to produce artifacts fro…
View article: Comment on egusphere-2023-2742
Comment on egusphere-2023-2742 Open
Abstract. The declining trend in vehicle emissions has underscored the growing significance of Volatile Organic Compound (VOC) emissions from Volatile Chemical Products (VCP). However, accurately representing VOC chemistry in simplified ch…
View article: A better representation of VOC chemistry in WRF-Chem and its impact on ozone over Los Angeles
A better representation of VOC chemistry in WRF-Chem and its impact on ozone over Los Angeles Open
The declining trend in vehicle emissions has underscored the growing significance of Volatile Organic Compound (VOC) emissions from Volatile Chemical Products (VCP). However, accurately representing VOC chemistry in simplified chemical mec…
View article: Measurement report: Airborne measurements of NO <sub> <i>x</i> </sub> fluxes over Los Angeles during the RECAP-CA 2021 campaign
Measurement report: Airborne measurements of NO <sub> <i>x</i> </sub> fluxes over Los Angeles during the RECAP-CA 2021 campaign Open
Nitrogen oxides (NOx≡NO+NO2) are involved in most atmospheric photochemistry, including the formation of tropospheric ozone (O3). While various methods exist to accurately measure NOx concentrations, it is still a challenge to quantify the…
View article: Volatile organic compound fluxes in the agricultural San Joaquin Valley – spatial distribution, source attribution, and inventory comparison
Volatile organic compound fluxes in the agricultural San Joaquin Valley – spatial distribution, source attribution, and inventory comparison Open
The San Joaquin Valley is an agricultural region in California that suffers from poor air quality. Since traffic emissions are decreasing, other sources of volatile organic compounds (VOCs) are gaining importance in the formation of second…
View article: Comparison between Spatially Resolved Airborne Flux Measurements and Emission Inventories of Volatile Organic Compounds in Los Angeles
Comparison between Spatially Resolved Airborne Flux Measurements and Emission Inventories of Volatile Organic Compounds in Los Angeles Open
Los Angeles is a major hotspot for ozone and particulate matter air pollution in the United States. Ozone and PM2.5 in this region have not improved substantially for the past decade, despite a reduction in vehicular emissions of their pre…
View article: Direct observations of NO <sub> <i>x</i> </sub> emissions over the San Joaquin Valley using airborne flux measurements during RECAP-CA 2021 field campaign
Direct observations of NO <sub> <i>x</i> </sub> emissions over the San Joaquin Valley using airborne flux measurements during RECAP-CA 2021 field campaign Open
Nitrogen oxides (NOx) are principle components of air pollution and serve as important ozone precursors. As the San Joaquin Valley (SJV) experiences some of the worst air quality in the United States, reducing NOx emissions is a pressing n…
View article: Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds
Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds Open
Proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS) is a technique commonly used to measure ambient volatile organic compounds (VOCs) in urban, rural, and remote environments. PTR-ToF-MS is known to produce artifacts fro…
View article: Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign (doi:10.5194/egusphere-2023-601)
Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign (doi:10.5194/egusphere-2023-601) Open
We provide here the supporting dataset for our study on airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign.
View article: Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign (doi:10.5194/egusphere-2023-601)
Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign (doi:10.5194/egusphere-2023-601) Open
We provide here the supporting dataset for our study on airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign.
View article: Comment on egusphere-2023-723
Comment on egusphere-2023-723 Open
Abstract. The San Joaquin Valley is an agricultural region in California that suffers from poor air quality. Since traffic emissions are decreasing, other sources of volatile organic compounds (VOCs) are gaining importance in the formation…
View article: Comment on egusphere-2023-601
Comment on egusphere-2023-601 Open
Abstract. Nitrogen oxides (NOx ≡ NO + NO2) are involved in most atmospheric photochemistry, including the formation of tropospheric ozone (O3). While various methods exist to accurately measure NOx concentrations, it is still a challenge t…
View article: Volatile organic compound fluxes in the San Joaquin Valley – spatial distribution, source attribution, and inventory comparison
Volatile organic compound fluxes in the San Joaquin Valley – spatial distribution, source attribution, and inventory comparison Open
The San Joaquin Valley is an agricultural region in California that suffers from poor air quality. Since traffic emissions are decreasing, other sources of volatile organic compounds (VOCs) are gaining importance in the formation of second…
View article: Measurement report: Airborne measurements of NO <sub>x</sub> fluxes over Los Angeles during the RECAP-CA 2021 campaign
Measurement report: Airborne measurements of NO <sub>x</sub> fluxes over Los Angeles during the RECAP-CA 2021 campaign Open
Nitrogen oxides (NOx ≡ NO + NO2) are involved in most atmospheric photochemistry, including the formation of tropospheric ozone (O3). While various methods exist to accurately measure NOx concentrations, it is still a challenge to quantify…
View article: Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign
Supporting data for: Measurement report: Airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign Open
We provide here the supporting dataset for our study on airborne measurements of NOx fluxes over Los Angeles during the RECAP-CA 2021 campaign.
View article: Comment on acp-2023-3
Comment on acp-2023-3 Open
Abstract. Nitrogen oxides (NOx) are principle components of air pollution and serve as important ozone precursors. As the San Joaquin Valley (SJV) experiences some of the worst air quality in the United States, reducing NOx emissions is a …
View article: Comment on acp-2023-3
Comment on acp-2023-3 Open
Abstract. Nitrogen oxides (NOx) are principle components of air pollution and serve as important ozone precursors. As the San Joaquin Valley (SJV) experiences some of the worst air quality in the United States, reducing NOx emissions is a …