Articles | Volume 20, issue 5
https://doi.org/10.5194/acp-20-3009-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-3009-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Mar 2020
Research article |
| 12 Mar 2020
| 12 Mar 2020
Local and remote mean and extreme temperature response to regional aerosol emissions reductions
Daniel M. Westervelt
CORRESPONDING AUTHOR
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
NASA Goddard Institute for Space Studies, New York, NY, USA
Nora R. Mascioli
School of Marine Sciences, University of California San Diego, San Diego, CA, USA
Arlene M. Fiore
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
Department of Earth and Environmental Sciences, Columbia University, Palisades, NY, USA
Andrew J. Conley
National Center for Atmospheric Research, Boulder, CO, USA
Jean-François Lamarque
National Center for Atmospheric Research, Boulder, CO, USA
Drew T. Shindell
Nicholas School of the Environment, Duke University, Durham, NC, USA
Greg Faluvegi
NASA Goddard Institute for Space Studies, New York, NY, USA
Center for Climate Systems Research, Columbia University, New York, NY, USA
Michael Previdi
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
Gustavo Correa
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
Larry W. Horowitz
National Oceanic and Atmospheric Administration, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USA
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- Disentangling regional climate change: assessing the contribution of global- and regional-scale anthropogenic factors to observed regional warming A. Barkhordarian 10.1088/1748-9326/ad8f49
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- Rapidly evolving aerosol emissions are a dangerous omission from near-term climate risk assessments G. Persad et al. 10.1088/2752-5295/acd6af
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- Mapping the dependence of black carbon radiative forcing on emission region and season P. Räisänen et al. 10.5194/acp-22-11579-2022
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- Impact of coronavirus-driven reduction in aerosols on precipitation in the western United States Z. Yang et al. 10.1016/j.atmosres.2023.106732
- New Potential to Reduce Uncertainty in Regional Climate Projections by Combining Physical and Socio‐Economic Constraints F. Lehner et al. 10.1029/2023AV000887
- The Regional Aerosol Model Intercomparison Project (RAMIP) L. Wilcox et al. 10.5194/gmd-16-4451-2023
- Climate responses in China to domestic and foreign aerosol changes due to clean air actions during 2013–2019 J. Gao et al. 10.1038/s41612-023-00488-y
- On the impossibility of extreme event thresholds in the absence of global warming N. Diffenbaugh & F. Davenport 10.1088/1748-9326/ac2f1a
- Impact of Aerosols on Precipitation over Western Ghats K. Kumar & B. Manjunatha 10.1007/s41810-021-00111-8
- Improvement in air quality and its impact on land surface temperature in major urban areas across India during the first lockdown of the pandemic B. Parida et al. 10.1016/j.envres.2021.111280
- Enhanced Aerosol Radiative Forcing in the Arctic Region from 2000 to 2022 K. Lee & K. Lee 10.5572/KOSAE.2023.39.6.1062
- Relative Importance of Greenhouse Gases, Sulfate, Organic Carbon, and Black Carbon Aerosol for South Asian Monsoon Rainfall Changes D. Westervelt et al. 10.1029/2020GL088363
- Assessment of the impact of atmospheric aerosols and meteorological data assimilation on simulation of the weather over India during summer 2015 S. Devaliya et al. 10.1016/j.atmosenv.2023.119586
- Climate variability can outweigh the influence of climate mean changes for extreme precipitation under global warming K. Nordling et al. 10.5194/acp-25-1659-2025
- Interactions between atmospheric composition and climate change – progress in understanding and future opportunities from AerChemMIP, PDRMIP, and RFMIP S. Fiedler et al. 10.5194/gmd-17-2387-2024
- The COVID-19 lockdowns: a window into the Earth System N. Diffenbaugh et al. 10.1038/s43017-020-0079-1
- An emerging Asian aerosol dipole pattern reshapes the Asian summer monsoon and exacerbates northern hemisphere warming B. Xiang et al. 10.1038/s41612-023-00400-8
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- Aerosols must be included in climate risk assessments G. Persad et al. 10.1038/d41586-022-03763-9
- MAIAC AOD profiling over the Persian Gulf: A seasonal-independent machine learning approach M. Pashayi et al. 10.1016/j.apr.2024.102128
- Surface temperature effects of recent reductions in shipping SO2 emissions are within internal variability D. Watson-Parris et al. 10.5194/acp-25-4443-2025
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Latest update: 29 May 2025
Short summary
We use three Earth system models to estimate the impact of regional air pollutant emissions reductions on global and regional surface temperature. We find that removing human-caused air pollutant emissions from certain world regions (such as the USA) results in warming of up to 0.15 °C. We use our model output to calculate simple climate metrics that will allow for regional-scale climate impact estimates without the use of computationally demanding computer models.
We use three Earth system models to estimate the impact of regional air pollutant emissions...
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