Jeff Peischl
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View article: Investigating fire-induced ozone production from local to global scales
Investigating fire-induced ozone production from local to global scales Open
Tropospheric ozone (O3) production from wildfires is highly uncertain; previous studies have identified both production and loss of O3 in fire-influenced air masses. To capture the total ozone production attributable to a smoke plume, we b…
View article: Nitrogen Oxides in the Remote Marine Environment: Implications for Oceanic Emissions and Photolysis of Particulate Nitrate
Nitrogen Oxides in the Remote Marine Environment: Implications for Oceanic Emissions and Photolysis of Particulate Nitrate Open
Nitric oxide (NO) in the remote marine atmosphere is underestimated by chemistry‐climate models. We explore the potential oceanic emissions of NO and its impacts using a global chemistry‐climate model with a newly developed oceanic NO emis…
View article: Enhancement of O <sub>3</sub> –CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence
Enhancement of O <sub>3</sub> –CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence Open
The subtropics are influenced by stratosphere-troposphere exchange processes through the subtropical jet streams and tropopause folding events, which are commonly identified by the opposing gradients of ozone (O3) and carbon monoxide (CO) …
View article: Trace Organic Gas Analyzer Time-of-Flight mass spectrometer (TOGA-TOF) system for airborne observations of formaldehyde
Trace Organic Gas Analyzer Time-of-Flight mass spectrometer (TOGA-TOF) system for airborne observations of formaldehyde Open
Formaldehyde (HCHO) is a ubiquitous atmospheric constituent, originating from primary emissions (natural and anthropogenic) and secondary production via the oxidation of volatile organic compounds (VOCs). In addition to being a regulated p…
View article: Supplementary material to "Trace Organic Gas Analyzer Time-of-Flight mass spectrometer (TOGA-TOF) system for airborne observations of formaldehyde"
Supplementary material to "Trace Organic Gas Analyzer Time-of-Flight mass spectrometer (TOGA-TOF) system for airborne observations of formaldehyde" Open
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: Air Quality Field Measurements in Las Vegas: Ozone Formation and Its Sensitivity to NO <sub>x</sub> and VOCs
Air Quality Field Measurements in Las Vegas: Ozone Formation and Its Sensitivity to NO <sub>x</sub> and VOCs Open
Las Vegas, Nevada is an urban center in the southwest US where the population is rapidly growing. In Las Vegas, surrounded by the Mojave Desert, biogenic emissions are low, but anthropogenic emissions, especially along the Las Vegas Strip,…
View article: Global Observations of Acetyl Peroxynitrate (PAN) in the Remote Troposphere
Global Observations of Acetyl Peroxynitrate (PAN) in the Remote Troposphere Open
We present global airborne observations of acetyl peroxynitrate (CH 3 C(O)OONO 2 , PAN) in the remote troposphere from the Atmospheric Tomography (ATom) campaign. These observations show that biomass burning is the dominant source of PAN i…
View article: An Unusual Winter Ozone Event in Colorado
An Unusual Winter Ozone Event in Colorado Open
Surface ozone (O 3 ) mixing ratios exceeding the National Ambient Air Quality Standard were measured at rural monitors along the Colorado Front Range on 17 April 2020 during the COVID‐19 lockdown. This unusual episode followed back‐to‐back…
View article: Tracking Ethane From Space Over a Large US Oil and Gas Region
Tracking Ethane From Space Over a Large US Oil and Gas Region Open
Ethane (C 2 H 6 ) is a volatile organic compound (VOC) that has few anthropogenic sources, and is primarily emitted from oil and natural gas (NG) (O&G) activities. This makes it a useful tracer for distinguishing O&G activities from other …
View article: Incorporating gas-phase chemistry into the Unified Forecast System (UFS) for global air quality applications
Incorporating gas-phase chemistry into the Unified Forecast System (UFS) for global air quality applications Open
View article: Ozone Production Efficiencies in the Three Largest United States Cities from Airborne Measurements
Ozone Production Efficiencies in the Three Largest United States Cities from Airborne Measurements Open
Despite ongoing reductions in emissions of ozone (O3) precursors, nitrogen oxides (NOx = NO + NO2) and volatile organic compounds (VOCs), the three largest urban areas in the United States ─ New York…
View article: Supplementary material to "Investigating fire-induced ozone production from local to global scales"
Supplementary material to "Investigating fire-induced ozone production from local to global scales" Open
View article: Investigating fire-induced ozone production from local to global scales
Investigating fire-induced ozone production from local to global scales Open
Tropospheric ozone (O3) production from wildfires is highly uncertain; previous studies have identified both production and loss of O3 in fire-influenced air masses. To capture the total ozone production attributable to a smoke plume, we b…
View article: Enhancement of O₃–CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence
Enhancement of O₃–CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence Open
The subtropics are influenced by stratosphere-troposphere exchange processes through the subtropical jet streams and tropopause folding events, which are commonly identified by the opposing gradients of ozone (O3) and carbon monoxide (CO) …
View article: Supplementary material to "Enhancement of O₃–CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence"
Supplementary material to "Enhancement of O₃–CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence" Open
View article: On-Road Measurements of Nitrogen Oxides, CO, CO<sub>2</sub>, and VOC Emissions in Two Southwestern U.S. Cities
On-Road Measurements of Nitrogen Oxides, CO, CO<sub>2</sub>, and VOC Emissions in Two Southwestern U.S. Cities Open
View article: Air Quality Field Measurements in Las Vegas: Ozone Formation and its Sensitivity to NOx and VOCs
Air Quality Field Measurements in Las Vegas: Ozone Formation and its Sensitivity to NOx and VOCs Open
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: Advances in an OH reactivity instrument for airborne field measurements
Advances in an OH reactivity instrument for airborne field measurements Open
Hydroxyl radical (OH) reactivity, which is the inverse lifetime of the OH radical, provides information on the burden of air pollutants, since almost all air pollutants react with OH. OH reactivity measurements from field experiments can h…
View article: Observing Anthropogenic and Biogenic CO<sub>2</sub> Emissions in Los Angeles Using a Dense Sensor Network
Observing Anthropogenic and Biogenic CO<sub>2</sub> Emissions in Los Angeles Using a Dense Sensor Network Open
Urban areas are major contributors to greenhouse gas emissions, necessitating effective monitoring systems to evaluate mitigation strategies. A dense sensor network, such as the Berkeley Environmental Air-quality & CO2 Observati…
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: Supplementary material to "Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024"
Supplementary material to "Observational ozone data over the global oceans and polar regions: The TOAR-II Oceans data set version 2024" Open
View article: Urban ozone formation and sensitivities to volatile chemical products, cooking emissions, and NO <sub> <i>x</i> </sub> upwind of and within two Los Angeles Basin cities
Urban ozone formation and sensitivities to volatile chemical products, cooking emissions, and NO <sub> <i>x</i> </sub> upwind of and within two Los Angeles Basin cities Open
Volatile chemical products (VCPs) and other non-traditional anthropogenic sources, such as cooking, contribute substantially to the volatile organic compound (VOC) budget in urban areas, but their impact on ozone formation is less certain.…
View article: The Small Mobile Ozone Lidar (SMOL): instrument description and first results
The Small Mobile Ozone Lidar (SMOL): instrument description and first results Open
Ozone profile measurements at high temporal and vertical resolution are needed to better understand physical and chemical processes driving tropospheric ozone variability and to validate the tropospheric ozone measurements from spaceborne …
View article: Widespread trace bromine and iodine in remote tropospheric non-sea-salt aerosols
Widespread trace bromine and iodine in remote tropospheric non-sea-salt aerosols Open
Reactive halogens catalytically destroy O3 and therefore affect (1) stratospheric O3 depletion and (2) the oxidative capacity of the troposphere. Reactive halogens also partition into the aerosol phase, but what governs halogen-aerosol par…
View article: Investigating the Propagation of CT Acquisition Artifacts along the Medical Imaging Pipeline
Investigating the Propagation of CT Acquisition Artifacts along the Medical Imaging Pipeline Open
View article: Natural and anthropogenic influence on tropospheric ozone variability over the Tropical Atlantic unveiled by satellite and in situ observations
Natural and anthropogenic influence on tropospheric ozone variability over the Tropical Atlantic unveiled by satellite and in situ observations Open
Tropospheric ozone over the South and Tropical Atlantic plays an important role in the photochemistry and energy budget of the atmosphere. In this remote region, tropospheric ozone estimates from reanalysis datasets show the largest discre…
View article: Early Season 2023 Wildfires Generated Record‐Breaking Surface Ozone Anomalies Across the U.S. Upper Midwest
Early Season 2023 Wildfires Generated Record‐Breaking Surface Ozone Anomalies Across the U.S. Upper Midwest Open
During summer 2023 Canada experienced its most intense wildfire season on record. Smoke plumes from these fires advected across the United States (U.S.) Upper Midwest, producing regional scale surface enhancements of PM 2.5 and ozone, as r…
View article: Evolution of Reactive Organic Compounds and Their Potential Health Risk in Wildfire Smoke
Evolution of Reactive Organic Compounds and Their Potential Health Risk in Wildfire Smoke Open
Wildfires are an increasing source of emissions into the air, with health effects modulated by the abundance and toxicity of individual species. In this work, we estimate reactive organic compounds (ROC) in western U.S. wildland forest fir…