G. Faluvegi
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View article: Climate forcing due to future ozone changes: an intercomparison of metrics and methods
Climate forcing due to future ozone changes: an intercomparison of metrics and methods Open
This study assesses three different measures of radiative forcing (instantaneous: IRF; stratospheric-temperature adjusted: SARF; effective: ERF) for future changes in ozone. These use a combination of online and offline methods. We separat…
View article: The warming effect of black carbon must be reassessed in light of observational constraints
The warming effect of black carbon must be reassessed in light of observational constraints Open
Anthropogenic emissions of black carbon (BC) aerosols are generally thought to warm the climate. However, the magnitude of this warming remains highly uncertain due to limited knowledge of BC sources; optical properties; and atmospheric pr…
View article: Climate Response to a Decade of Anthropogenic Emission Changes (2013-2023)
Climate Response to a Decade of Anthropogenic Emission Changes (2013-2023) Open
Global emission patterns have changed significantly in the past decade as regions around the world started various reduction policies, notably marked by China's Air Pollution Prevention and Control Action Plan and IMO's regulations on ship…
View article: Climate Forcing due to Future Ozone Changes: An intercomparison of metrics and methods
Climate Forcing due to Future Ozone Changes: An intercomparison of metrics and methods Open
We use Earth system models and a chemistry transport model to determine the radiative forcing due to changes in ozone Three different measures of radiative forcing (instantaneous: IRF, stratospheric-temperature adjusted: SARF, effective: E…
View article: The methane imperative
The methane imperative Open
Anthropogenic methane (CH 4 ) emissions increases from the period 1850–1900 until 2019 are responsible for around 65% as much warming as carbon dioxide (CO 2 ) has caused to date, and large reductions in methane emissions are required to l…
View article: Assessing acetone for the GISS ModelE2.1 Earth system model
Assessing acetone for the GISS ModelE2.1 Earth system model Open
Acetone is an abundant volatile organic compound (VOC) in the atmosphere, with important influences on ozone and oxidation capacity. Direct sources include chemical production from other VOCs and anthropogenic emissions, terrestrial vegeta…
View article: Influence of More Mechanistic Representation of Particle Dry Deposition on 1850–2000 Changes in Global Aerosol Burdens and Radiative Forcing
Influence of More Mechanistic Representation of Particle Dry Deposition on 1850–2000 Changes in Global Aerosol Burdens and Radiative Forcing Open
Robust estimates of historical changes in aerosols are key for accurate constraints on climate sensitivity. Dry deposition is a primary sink of aerosols from the atmosphere. However, most global climate models do not accurately represent o…
View article: Reductions in premature deaths from heat and particulate matter air pollution in South Asia, China, and the United States under decarbonization
Reductions in premature deaths from heat and particulate matter air pollution in South Asia, China, and the United States under decarbonization Open
Following a sustainable development pathway designed to keep warming below 2 °C will benefit human health. We quantify premature deaths attributable to fine particulate matter (PM 2.5 ) air pollution and heat exposures for China, South Asi…
View article: Premature Deaths Due To Heat Exposure: The Potential Effects of Neighborhood‐Level Versus City‐Level Acclimatization Within US Cities
Premature Deaths Due To Heat Exposure: The Potential Effects of Neighborhood‐Level Versus City‐Level Acclimatization Within US Cities Open
For the population of a given US city, the risk of premature death associated with heat exposure increases as temperatures rise, but risks in hotter cities are generally lower than in cooler cities at equivalent temperatures due to factors…
View article: Arctic Tropospheric Ozone Trends
Arctic Tropospheric Ozone Trends Open
Observed trends in tropospheric ozone, an important air pollutant and short‐lived climate forcer (SLCF), are estimated using available surface and ozonesonde profile data for 1993–2019, using a coherent methodology, and compared to modeled…
View article: Comment on egusphere-2023-110
Comment on egusphere-2023-110 Open
Abstract. Acetone is an abundant volatile organic compound in the atmosphere with important influence on ozone and oxidation capacity. Direct sources include anthropogenic, terrestrial vegetation, oceanic, and biomass burning emissions. Ac…
View article: Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health
Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health Open
Exposure to fine particulate matter (PM 2.5 ) air pollution is associated with large‐scale health consequences, but the ranges in estimates of global air pollution exposure and PM 2.5 ‐related global premature mortality remain understudied…
View article: Datasets and code from: 'Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health'
Datasets and code from: 'Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health' Open
Data and code from Earth's Future publication titled: ''Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health''. Multiply the PM scaler for each 5-year time slice by the CMIP6 gridded PM…
View article: Comment on egusphere-2023-110
Comment on egusphere-2023-110 Open
Abstract. Acetone is an abundant volatile organic compound in the atmosphere with important influence on ozone and oxidation capacity. Direct sources include anthropogenic, terrestrial vegetation, oceanic, and biomass burning emissions. Ac…
View article: Arctic warming in response to regional aerosol emissions reductions
Arctic warming in response to regional aerosol emissions reductions Open
This study examines the Arctic surface air temperature response to regional aerosol emissions reductions using three fully coupled chemistry–climate models: National Center for Atmospheric Research-Community Earth System Model version 1, G…
View article: Assessing acetone for the GISS ModelE2.1 Earth system model
Assessing acetone for the GISS ModelE2.1 Earth system model Open
Acetone is an abundant volatile organic compound in the atmosphere with important influence on ozone and oxidation capacity. Direct sources include anthropogenic, terrestrial vegetation, oceanic, and biomass burning emissions. Acetone is a…
View article: Supplementary material to "Assessing acetone for the GISS ModelE2.1 Earth system model"
Supplementary material to "Assessing acetone for the GISS ModelE2.1 Earth system model" Open
Figure S1.The data recorded in the literature was used to determine a mean for each budget flux value, and the distance from that mean for each paper was expressed as a z-score.The papers that contributed to determining the mean are in lig…
View article: The important role of African emissions reductions in projected local rainfall changes
The important role of African emissions reductions in projected local rainfall changes Open
Africa is highly vulnerable to climate change but emits a small portion of global greenhouse gases. Additionally, decarbonization might lead to a ‘climate penalty’ whereby reductions in cooling aerosols offset temperature benefits from CO …
View article: Emissions Background, Climate, and Season Determine the Impacts of Past and Future Pandemic Lockdowns on Atmospheric Composition and Climate
Emissions Background, Climate, and Season Determine the Impacts of Past and Future Pandemic Lockdowns on Atmospheric Composition and Climate Open
COVID‐19 pandemic responses affected atmospheric composition and climate. These effects depend on the background emissions, climate, and season in which they occur. Although using multiple scenarios is common in explorations of long‐term c…
View article: Assessing acetone for the GISS ModelE2.1 Earth system model
Assessing acetone for the GISS ModelE2.1 Earth system model Open
The simulated three-dimensional distributions of acetone from each simulation described in the paper (Baseline, sensitivity simulations in Table 1, and Nudged_ATom) are available in the zip files below, grouped by simulation: Each zip file…
View article: Assessing acetone for the GISS ModelE2.1 Earth system model
Assessing acetone for the GISS ModelE2.1 Earth system model Open
The simulated three-dimensional distributions of acetone from each simulation described in the paper (Baseline, sensitivity simulations in Table 1, and Nudged_ATom) are available in the zip files below, grouped by simulation: Each zip file…
View article: Assessing acetone for the GISS ModelE2.1 Earth system model
Assessing acetone for the GISS ModelE2.1 Earth system model Open
The simulated three-dimensional distributions of acetone from each simulation described in the paper (Baseline, sensitivity simulations in Table 1, and Nudged_ATom) are available in the zip files below, grouped by simulation: Each zip file…
View article: Arctic Tropospheric Ozone Trends
Arctic Tropospheric Ozone Trends Open
Trends in tropospheric ozone, an important air pollutant and short-lived climate forcer (SLCF), are estimated using available surface and ozonesonde profile data for 1993-2019. Using a coherent methodology, observed trends are compared to …
View article: Arctic tropospheric ozone: assessment of current knowledge and model performance
Arctic tropospheric ozone: assessment of current knowledge and model performance Open
As the third most important greenhouse gas (GHG) after carbon dioxide (CO2) and methane (CH4), tropospheric ozone (O3) is also an air pollutant causing damage to human health and ecosystems. This study brings together recent research on ob…
View article: Datasets and code from: 'Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health'
Datasets and code from: 'Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health' Open
Data and code from Earth's Future publication titled: ''Geophysical Uncertainties in Air Pollution Exposure and Benefits of Emissions Reductions for Global Health''. Multiply the PM scaler for each 5-year time slice by the CMIP6 gridded PM…
View article: Dataset and code from: 'The impact of reduced African emissions on projected local rainfall changes'
Dataset and code from: 'The impact of reduced African emissions on projected local rainfall changes' Open
Python code and datasets to plot figures from manuscript. Abstract Africa is highly vulnerable to climate change but emits a small portion of global greenhouse gases. Additionally, decarbonization might lead to a ‘climate penalty’ whereby …
View article: The Turning Point of the Aerosol Era
The Turning Point of the Aerosol Era Open
Over the CMIP6 historical period (1850–2014), aerosols provided the largest negative forcing compared to all other climate forcings via their ability to absorb or scatter solar radiation and alter clouds. Aerosols played an important role …
View article: Interactive biogenic emissions and drought stress effects on atmospheric composition in NASA GISS ModelE
Interactive biogenic emissions and drought stress effects on atmospheric composition in NASA GISS ModelE Open
Drought is a hydroclimatic extreme that causes perturbations to the terrestrial biosphere and acts as a stressor on vegetation, affecting emissions patterns. During severe drought, isoprene emissions are reduced. In this paper, we focus on…