P. S. Kasibhatla
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View article: Analysis of overdispersion in airborne transmission of COVID-19
Analysis of overdispersion in airborne transmission of COVID-19 Open
Superspreading events and overdispersion are hallmarks of the COVID-19 pandemic. However, the specific roles and influence of established viral and physical factors related to the mechanisms of transmission, on overdispersion, remain unres…
View article: Impact of Wildfire Smoke on Acute Illness
Impact of Wildfire Smoke on Acute Illness Open
Climate change increases wildfire smoke exposure. Inhaled smoke causes inflammation, oxidative stress, and coagulation, which exacerbate cardiovascular and respiratory disease while worsening obstetric and neonatal outcomes.
View article: Analysis of overdispersion in airborne transmission of COVID-19
Analysis of overdispersion in airborne transmission of COVID-19 Open
Superspreading events and overdispersion are hallmarks of the COVID-19 pandemic. However, the specific roles and influence of established viral and physical factors related to the mechanisms of transmission, on overdispersion, remain unres…
View article: Analysis of overdispersion in airborne transmission of Covid-19
Analysis of overdispersion in airborne transmission of Covid-19 Open
Superspreading events and overdispersion are hallmarks of the Covid-19 pandemic. To gain insight into the nature and controlling factors of these superspreading events and heterogeneity in transmission, we conducted mechanistic modeling of…
View article: Heterogeneous Nitrate Production Mechanisms in Intense Haze Events in the North China Plain
Heterogeneous Nitrate Production Mechanisms in Intense Haze Events in the North China Plain Open
Studies of wintertime air quality in the North China Plain (NCP) show that particulate‐nitrate pollution persists despite rapid reduction in NO x emissions. This intriguing NO x ‐nitrate relationship may originate from non‐linear nitrate‐f…
View article: Constraining remote oxidation capacity with ATom observations
Constraining remote oxidation capacity with ATom observations Open
The global oxidation capacity, defined as the tropospheric mean concentration of the hydroxyl radical (OH), controls the lifetime of reactive trace gases in the atmosphere such as methane and carbon monoxide (CO). Models tend to underestim…
View article: Global inorganic nitrate production mechanisms: comparison of a global model with nitrate isotope observations
Global inorganic nitrate production mechanisms: comparison of a global model with nitrate isotope observations Open
The formation of inorganic nitrate is the main sink for nitrogen oxides (NOx = NO + NO2). Due to the importance of NOx for the formation of tropospheric oxidants such as the hydroxyl radical (OH) and ozone, understanding the mechanisms and…
View article: Magnitude, trends, and impacts of ambient long-term ozone exposure in the United States from 2000 to 2015
Magnitude, trends, and impacts of ambient long-term ozone exposure in the United States from 2000 to 2015 Open
Long-term exposure to ambient ozone (O3) is associated with a variety of impacts, including adverse human-health effects and reduced yields in commercial crops. Ground-level O3 concentrations for assessments are typically predicted using c…
View article: Constraining remote oxidation capacity with ATom observations
Constraining remote oxidation capacity with ATom observations Open
The global oxidation capacity, defined as the tropospheric mean concentration of the hydroxyl radical (OH), controls the lifetime of reactive trace gases in the atmosphere such as methane and carbon monoxide (CO). Models tend to underestim…
View article: Supplementary material to "Constraining remote oxidation capacity with ATom observations"
Supplementary material to "Constraining remote oxidation capacity with ATom observations" Open
View article: Magnitude, Trends, and Impacts of Ambient Long-Term Ozone Exposure in the United States from 2000–2015
Magnitude, Trends, and Impacts of Ambient Long-Term Ozone Exposure in the United States from 2000–2015 Open
Long-term exposure to ambient ozone (O3) is associated with a variety of impacts, including adverse human-health effects and reduced yields in commercial crops. Ground-level O3 concentrations for assessments are typically predicted using c…
View article: Supplementary material to "Magnitude, Trends, and Impacts of Ambient Long-Term Ozone Exposure in the United States from 2000–2015"
Supplementary material to "Magnitude, Trends, and Impacts of Ambient Long-Term Ozone Exposure in the United States from 2000–2015" Open
View article: Global inorganic nitrate production mechanisms: Comparison of a global model with nitrate isotope observations
Global inorganic nitrate production mechanisms: Comparison of a global model with nitrate isotope observations Open
The formation of inorganic nitrate is the main sink for nitrogen oxides (NOx = NO + NO2). Due to the importance of NOx for the formation of tropospheric oxidants such as the hydroxyl radical (OH) and ozone, understanding the mechanisms and…
View article: Supplementary material to "Global inorganic nitrate production mechanisms: Comparison of a global model with nitrate isotope observations"
Supplementary material to "Global inorganic nitrate production mechanisms: Comparison of a global model with nitrate isotope observations" Open
View article: Spatial Patterns of Crop Yield Change by Emitted Pollutant
Spatial Patterns of Crop Yield Change by Emitted Pollutant Open
Field measurements and modeling have examined how temperature, precipitation, and exposure to carbon dioxide (CO 2 ) and ozone affect major staple crops around the world. Most prior studies, however, have incorporated only a subset of thes…
View article: What causes deforestation in Indonesia?
What causes deforestation in Indonesia? Open
We investigate the causes of deforestation in Indonesia, a country with one of the highest rates of primary natural forest loss in the tropics, annually between 2001 and 2016. We use high spatial resolution imagery made available on Google…
View article: Global impact of nitrate photolysis in sea-salt aerosol on NO <sub> <i>x</i> </sub> , OH, and O <sub>3</sub> in the marine boundary layer
Global impact of nitrate photolysis in sea-salt aerosol on NO <sub> <i>x</i> </sub> , OH, and O <sub>3</sub> in the marine boundary layer Open
Recent field studies have suggested that sea-salt particulate nitrate (NITs) photolysis may act as a significant local source of nitrogen oxides (NOx) over oceans. We present a study of the global impact of this process on oxidant concentr…
View article: Global impact of nitrate photolysis in sea-salt aerosol on NO <sub>x</sub> , OH, and O <sub>3</sub> in the marine boundary layer
Global impact of nitrate photolysis in sea-salt aerosol on NO <sub>x</sub> , OH, and O <sub>3</sub> in the marine boundary layer Open
Recent field studies have suggested that sea-salt particulate nitrate (NITs) photolysis may act as a significant local source of nitrogen oxides (NOx) over oceans. We present a study of the global impact of this process on oxidant concentr…
View article: Supplementary material to "Global impact of nitrate photolysis in sea-salt aerosol on NO <sub>x</sub> , OH, and O <sub>3</sub> in the marine boundary layer"
Supplementary material to "Global impact of nitrate photolysis in sea-salt aerosol on NO <sub>x</sub> , OH, and O <sub>3</sub> in the marine boundary layer" Open
View article: A review of land-based greenhouse gas flux estimates in Indonesia
A review of land-based greenhouse gas flux estimates in Indonesia Open
This study examines underlying reasons for differences among land-based greenhouse gas flux estimates in Indonesia, where six national inventories reported average emissions of between 0.4 and 1.1 Gt CO _2 e yr ^−1 over the 2000–2012 perio…
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View article: Shifting patterns of oil palm driven deforestation in Indonesia and implications for zero-deforestation commitments
Shifting patterns of oil palm driven deforestation in Indonesia and implications for zero-deforestation commitments Open
Oil palm plantations in Indonesia have been linked to substantial deforestation in the 1990s and 2000s, though recent studies suggest that new plantations are increasingly developed on non-forest land. Without nationwide data to establish …
View article: Global fire emissions estimates during 1997–2016
Global fire emissions estimates during 1997–2016 Open
Climate, land use, and other anthropogenic and natural drivers have the potential to influence fire dynamics in many regions. To develop a mechanistic understanding of the changing role of these drivers and their impact on atmospheric comp…
View article: A human-driven decline in global burned area
A human-driven decline in global burned area Open
Burn less, baby, burn less Humans have, and always have had, a major impact on wildfire activity, which is expected to increase in our warming world. Andela et al. use satellite data to show that, unexpectedly, global burned area declined …
View article: Global fire emissions estimates during 1997–2015
Global fire emissions estimates during 1997–2015 Open
Climate, land use, and other anthropogenic and natural drivers have the potential to influence fire dynamics in many regions. To develop a mechanistic understanding of the changing role of these drivers and their impact on atmospheric comp…
View article: An assessment of high carbon stock and high conservation value approaches to sustainable oil palm cultivation in Gabon
An assessment of high carbon stock and high conservation value approaches to sustainable oil palm cultivation in Gabon Open
Industrial-scale oil palm cultivation is rapidly expanding in Gabon, where it has the potential to drive economic growth, but also threatens forest, biodiversity and carbon resources. The Gabonese government is promoting an ambitious agric…
View article: A human-driven decline in global burned area
A human-driven decline in global burned area Open
Fire is an essential Earth system process that alters ecosystem and atmospheric composition. Here we assessed long-term fire trends using multiple satellite data sets. We found that global burned area declined by 24.3 ̑extpm 8.8% over the p…
View article: Impacts of current and projected oil palm plantation expansion on airquality over Southeast Asia
Impacts of current and projected oil palm plantation expansion on airquality over Southeast Asia Open
Over recent decades oil palm plantations have rapidly expanded across Southeast Asia (SEA). According to the United Nations, oil palm production in SEA increased by a factor of 3 from 1995 to 2010. We investigate the impacts of current (20…
View article: Rethinking the global secondary organic aerosol (SOA) budget: stronger production, faster removal, shorter lifetime
Rethinking the global secondary organic aerosol (SOA) budget: stronger production, faster removal, shorter lifetime Open
Recent laboratory studies suggest that secondary organic aerosol (SOA) formation rates are higher than assumed in current models. There is also evidence that SOA removal by dry and wet deposition occurs more efficiently than some current m…
View article: Impacts of Current and Projected Oil Palm Plantation Expansion on Air Quality Over Southeast Asia
Impacts of Current and Projected Oil Palm Plantation Expansion on Air Quality Over Southeast Asia Open
Over recent decades oil palm plantations have rapidly expanded across Southeast Asia (SEA). According to the United Nations, oil palm production in SEA increased by a factor of 3 from 1995 to 2010. We investigate the impacts of current (20…