Allison Ring
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View article: Monitoring exposure to tropospheric ozone precursors: AQS site evaluation and recommendation
Monitoring exposure to tropospheric ozone precursors: AQS site evaluation and recommendation Open
Current air quality monitoring through the EPA’s Air Quality System (AQS) network faces significant coverage gaps particularly in vulnerable communities that experience disproportionate exposure to air pollutants. While satellite instrumen…
View article: Inferring Near-Surface Ozone Production Regimes: Challenges with using Satellite Retrievals over the Contiguous US
Inferring Near-Surface Ozone Production Regimes: Challenges with using Satellite Retrievals over the Contiguous US Open
Surface ozone regulation policies rely heavily on air quality models, such as CAMx, as important guiding tools. Comparison with observations is crucial to validating a model’s ability to represent ozone production chemistry. Identifying fa…
View article: Inferring Ozone Production Regimes over the continental US
Inferring Ozone Production Regimes over the continental US Open
Surface ozone regulation policies depend heavily on Air Quality Models (AQMs) as vital tools, requiring validation through comparisons with observations. Identifying the factors influencing surface ozone formation is complicated because oz…
View article: A SmallSat Concept to Resolve Diurnal and Vertical Variations of Aerosols, Clouds, and Boundary Layer Height
A SmallSat Concept to Resolve Diurnal and Vertical Variations of Aerosols, Clouds, and Boundary Layer Height Open
A SmallSat mission concept is formulated here to carry out Time-varying Optical Measurements of Clouds and Aerosol Transport (TOMCAT) from space while embracing low-cost opportunities enabled by the revolution in Earth science observation …
View article: Evaluation and bias correction of probabilistic volcanic ash forecasts
Evaluation and bias correction of probabilistic volcanic ash forecasts Open
Satellite retrievals of column mass loading of volcanic ash are incorporated into the HYSPLIT transport and dispersion modeling system for source determination, bias correction, and forecast verification of probabilistic ash forecasts of a…
View article: VOC and trace gas measurements and ozone chemistry over the Chesapeake Bay during OWLETS-2, 2018
VOC and trace gas measurements and ozone chemistry over the Chesapeake Bay during OWLETS-2, 2018 Open
The Ozone Water-Land Environmental Transition Study, 2018 (OWLETS-2) measured total non-methane hydrocarbons (TNMHC) and EPA PAMS Volatile Organic Compounds (VOCs) on an island site in the northern Chesapeake Bay 2.1 and 3.4 times greater …
View article: Comment on egusphere-2022-290
Comment on egusphere-2022-290 Open
Abstract. Satellite retrievals of column mass loading of volcanic ash are incorporated into the HYSPLIT transport and dispersion modeling system for source determination, bias correction, and forecast verification of probabilistic ash fore…
View article: Evaluation and Bias Correction of Probabilistic Volcanic Ash Forecasts
Evaluation and Bias Correction of Probabilistic Volcanic Ash Forecasts Open
Satellite retrievals of column mass loading of volcanic ash are incorporated into the HYSPLIT transport and dispersion modeling system for source determination, bias correction, and forecast verification of probabilistic ash forecasts of a…
View article: Exploring Regional Emissions and Tropospheric Ozone in the Eastern United States Using Air Quality Models and Data Products
Exploring Regional Emissions and Tropospheric Ozone in the Eastern United States Using Air Quality Models and Data Products Open
Tropospheric ozone (O3) is a harmful pollutant regulated by the US Environmental Protection Agency (EPA) through the use of designated air quality standards. Within the United States, approximately 110 million people live within counties d…
View article: Atmospheric mercury measurements at a suburban site in the Mid-Atlantic United States: Inter-annual, seasonal and diurnal variations and source-receptor relationships
Atmospheric mercury measurements at a suburban site in the Mid-Atlantic United States: Inter-annual, seasonal and diurnal variations and source-receptor relationships Open
Different atmospheric mercury forms have been measured at a suburban site in Beltsville, Maryland in the Mid-Atlantic United States since 2007 to investigate their inter-annual, seasonal and diurnal variabilities. Average concentrations an…