N. J. Blake
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View article: Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements – corrected
Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements – corrected Open
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and A…
View article: Comment on acp-2022-631
Comment on acp-2022-631 Open
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and A…
View article: Comment on acp-2022-631
Comment on acp-2022-631 Open
Abstract. The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pac…
View article: Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements
Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements Open
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and A…
View article: Supplementary material to "Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements"
Supplementary material to "Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements" Open
The ATom Modeling Data Stream version 2b (MDS-2b)The ATom mission was designed to collect a multi-species, detailed chemical climatology that documents the patterns of physical and chemical heterogeneity throughout the remote troposphere.T…
View article: An investigation of petrochemical emissions during KORUS-AQ: Ozone production, reactive nitrogen evolution, and aerosol production
An investigation of petrochemical emissions during KORUS-AQ: Ozone production, reactive nitrogen evolution, and aerosol production Open
Emissions and secondary photochemical products from the Daesan petrochemical complex (DPCC), on the west coast of South Korea, were measured from the NASA DC-8 research aircraft during the Korea-United States Air Quality campaign in 2016. …
View article: Surface-guided radiotherapy for lung cancer can reduce the number of close patient contacts without compromising initial setup accuracy
Surface-guided radiotherapy for lung cancer can reduce the number of close patient contacts without compromising initial setup accuracy Open
Surface-guided radiotherapy (SGRT) can assist with patient setup by providing a real-time feedback mechanism over the whole patient treatment surface. It also has the potential to reduce the number of close contacts between staff and the p…
View article: Observations of atmospheric oxidation and ozone production in South Korea
Observations of atmospheric oxidation and ozone production in South Korea Open
South Korea routinely experiences poor air quality with ozone and small particles exceeding air quality standards. To build a better understanding of this problem, in 2016, the KORea-United States cooperative Air Quality (KORUS-AQ) study c…
View article: Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements
Heterogeneity and chemical reactivity of the remote troposphere defined by aircraft measurements Open
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and A…
View article: ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols, Version 2
ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols, Version 2 Open
This dataset provides information on greenhouse gases and human-produced air pollution, including atmospheric concentrations of carbon dioxide (CO2), methane (CH4), tropospheric ozone (O3), and black carbon (BC) aerosols, collected during …
View article: Comment on acp-2021-405
Comment on acp-2021-405 Open
Abstract. The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pac…
View article: Comment on acp-2021-405
Comment on acp-2021-405 Open
Abstract. The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pac…
View article: Heterogeneity and Chemical Reactivity of the Remote Troposphere defined by Aircraft Measurements
Heterogeneity and Chemical Reactivity of the Remote Troposphere defined by Aircraft Measurements Open
The NASA Atmospheric Tomography (ATom) mission built a photochemical climatology of air parcels based on in situ measurements with the NASA DC-8 aircraft along objectively planned profiling transects through the middle of the Pacific and A…
View article: Supplementary material to "Heterogeneity and Chemical Reactivity of the Remote Troposphere defined by Aircraft Measurements"
Supplementary material to "Heterogeneity and Chemical Reactivity of the Remote Troposphere defined by Aircraft Measurements" Open
The Modeling Data StreamThe ATom mission was designed to collect a multi-species, detailed chemical climatology that documents the patterns of physical and chemical heterogeneity throughout the remote troposphere.The work here requires a c…
View article: Observation-based modeling of ozone chemistry in the Seoul metropolitan area during the Korea-United States Air Quality Study (KORUS-AQ)
Observation-based modeling of ozone chemistry in the Seoul metropolitan area during the Korea-United States Air Quality Study (KORUS-AQ) Open
The Seoul Metropolitan Area (SMA) has a population of 24 million and frequently experiences unhealthy levels of ozone (O3). In this work, measurements taken during the Korea-United States Air Quality Study (KORUS-AQ, 2016) are used to expl…
View article: Airborne formaldehyde and volatile organic compound measurements over the Daesan petrochemical complex on Korea’s northwest coast during the Korea-United States Air Quality study
Airborne formaldehyde and volatile organic compound measurements over the Daesan petrochemical complex on Korea’s northwest coast during the Korea-United States Air Quality study Open
The U.S. National Aeronautics and Space Administration in partnership with Korea’s National Institute of Environmental Research embarked on the Korea-United States Air Quality (KORUS-AQ) study to address air quality issues over the Korean …
View article: Characterization, sources and reactivity of volatile organic compounds (VOCs) in Seoul and surrounding regions during KORUS-AQ
Characterization, sources and reactivity of volatile organic compounds (VOCs) in Seoul and surrounding regions during KORUS-AQ Open
The Korea-United States Air Quality Study (KORUS-AQ) took place in spring 2016 to better understand air pollution in Korea. In support of KORUS-AQ, 2554 whole air samples (WAS) were collected aboard the NASA DC-8 research aircraft and anal…
View article: ATom: L2 Halocarbons and Hydrocarbons from the UC-Irvine Whole Air Sampler (WAS)
ATom: L2 Halocarbons and Hydrocarbons from the UC-Irvine Whole Air Sampler (WAS) Open
This dataset provides atmospheric concentrations of halocarbons and hydrocarbons measured by the UC-Irvine Whole Air Sampler (WAS) during airborne campaigns conducted by NASA's Atmospheric Tomography (ATom) mission. The analysis of samples…
View article: Biomass Burning Unlikely to Account for Missing Source of Carbonyl Sulfide
Biomass Burning Unlikely to Account for Missing Source of Carbonyl Sulfide Open
Carbonyl sulfide (OCS) provides a proxy for measuring photosynthesis and is the primary background source of stratospheric aerosols. OCS emissions due to biomass burning are a variable and substantial (over 10%) part of the current OCS bud…
View article: Source Contributions to Carbon Monoxide Concentrations During KORUS‐AQ Based on CAM‐chem Model Applications
Source Contributions to Carbon Monoxide Concentrations During KORUS‐AQ Based on CAM‐chem Model Applications Open
We investigate regional sources contributing to CO during the Korea United States Air Quality (KORUS‐AQ) campaign conducted over Korea (1 May to 10 June 2016) using 17 tagged CO simulations from the Community Atmosphere Model with chemistr…
View article: Using an Inverse Model to Reconcile Differences in Simulated and Observed Global Ethane Concentrations and Trends Between 2008 and 2014
Using an Inverse Model to Reconcile Differences in Simulated and Observed Global Ethane Concentrations and Trends Between 2008 and 2014 Open
We use a global model, TOMCAT, and an inverse model, INVICAT, to estimate emissions of ethane (C 2 H 6 ) between 2008 and 2014 by assimilating surface flask observations. We find that baseline global emissions in 2008 need to increase by a…
View article: Sources and Secondary Production of Organic Aerosols in the Northeastern United States during WINTER
Sources and Secondary Production of Organic Aerosols in the Northeastern United States during WINTER Open
Most intensive field studies investigating aerosols have been conducted in summer, and thus, wintertime aerosol sources and chemistry are comparatively poorly understood. An aerosol mass spectrometer was flown on the National Science Found…
View article: Sources and characteristics of summertime organic aerosol in the Colorado Front Range: perspective from measurements and WRF-Chem modeling
Sources and characteristics of summertime organic aerosol in the Colorado Front Range: perspective from measurements and WRF-Chem modeling Open
The evolution of organic aerosols (OAs) and their precursors in the boundary layer (BL) of the Colorado Front Range during the Front Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ, July–August 2014) was analyzed by in situ measu…
View article: ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols
ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols Open
This dataset provides information on greenhouse gases and human-produced air pollution, including atmospheric concentrations of carbon dioxide (CO2), methane (CH4), tropospheric ozone (O3), and black carbon (BC) aerosols, collected during …
View article: Sources and Characteristics of Summertime Organic Aerosol inthe Colorado Front Range: Perspective from Measurements andWRF-Chem Modeling
Sources and Characteristics of Summertime Organic Aerosol inthe Colorado Front Range: Perspective from Measurements andWRF-Chem Modeling Open
Evolution of organic aerosol (OA) and their precursors in the boundary layer of Colorado Front Range during the Front Range Air Pollution and Photochemistry Éxperiment (FRAPPÉ, July–August 2014) was analyzed by in-situ measurements and che…
View article: Wintertime Overnight NO<sub><i>x</i></sub> Removal in a Southeastern United States Coal‐fired Power Plant Plume: A Model for Understanding Winter NO<sub><i>x</i></sub> Processing and its Implications
Wintertime Overnight NO<sub><i>x</i></sub> Removal in a Southeastern United States Coal‐fired Power Plant Plume: A Model for Understanding Winter NO<sub><i>x</i></sub> Processing and its Implications Open
Nitric oxide (NO) is emitted in large quantities from coal‐burning power plants. During the day, the plumes from these sources are efficiently mixed into the boundary layer, while at night, they may remain concentrated due to limited verti…