Articles | Volume 20, issue 5
Atmos. Chem. Phys., 20, 3009–3027, 2020
https://doi.org/10.5194/acp-20-3009-2020
Atmos. Chem. Phys., 20, 3009–3027, 2020
https://doi.org/10.5194/acp-20-3009-2020

Research article 12 Mar 2020

Research article | 12 Mar 2020

Local and remote mean and extreme temperature response to regional aerosol emissions reductions

Daniel M. Westervelt et al.

Data sets

RTP coefficients D. M. Westervelt https://doi.org/10.6084/m9.figshare.10669322.v1

Mean temperature by latitude band D. M. Westervelt https://doi.org/10.6084/m9.figshare.10710722.v1

Model code and software

GFDL Atmospheric Model version 3 GFDL Model Development Team https://www.gfdl.noaa.gov/am3/

Community Earth System Model version 1.0 University Corporation for Atmospheric Research (UCAR) http://www.cesm.ucar.edu/models/cesm1.0/

NASA GISS ModelE I. Aleinov and G. Schmidt https://simplex.giss.nasa.gov/gcm/

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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.
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