The Equilibrium Climate Response to Sulfur Dioxide and Carbonaceous Aerosol Emissions From East and Southeast Asia
Abstract
We investigate the equilibrium climate response to East and Southeast Asian emissions of carbonaceous aerosols and sulfur dioxide, a precursor of sulfate aerosol. Using the Community Earth System Model with the Community Atmosphere Model version 5.3, we find that anthropogenic aerosol emissions from East and Southeast Asia exert a global mean net radiative effect of -0.49 ± 0.04 W/m2. Approximately half of this cooling effect can be attributed to anthropogenic sulfur dioxide emissions. The aerosol emissions drive widespread cooling across the Northern Hemisphere. Strong suppression of precipitation occurs over East and Southeast Asia, indicating that anthropogenic aerosol emissions may impact water resources locally. However, in contrast to previous research, we find no clear evidence of remote effects on precipitation over Australia and West Africa. We recommend further investigation of possible remote effects.
- Authors:
-
- Center for Environmental Sensing and ModelingSingapore‐MIT Alliance for Research and Technology Singapore Singapore
- Center for Environmental Sensing and ModelingSingapore‐MIT Alliance for Research and Technology Singapore Singapore, Department of Civil and Environmental EngineeringNational University of Singapore Singapore Singapore
- Center for Environmental Sensing and ModelingSingapore‐MIT Alliance for Research and Technology Singapore Singapore, Center for Global Change ScienceMassachusetts Institute of Technology Cambridge MA USA
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER); National Science Foundation (NSF)
- OSTI Identifier:
- 1478141
- Alternate Identifier(s):
- OSTI ID: 1478143; OSTI ID: 1610273
- Grant/Contract Number:
- FG02‐94ER61937; FG02-94ER61937; AGS‐1339264
- Resource Type:
- Published Article
- Journal Name:
- Geophysical Research Letters
- Additional Journal Information:
- Journal Name: Geophysical Research Letters Journal Volume: 45 Journal Issue: 20; Journal ID: ISSN 0094-8276
- Publisher:
- American Geophysical Union
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 58 GEOSCIENCES; aerosol; climate; global climate model; precipitation
Citation Formats
Grandey, Benjamin S., Yeo, Lik Khian, Lee, Hsiang‐He, and Wang, Chien. The Equilibrium Climate Response to Sulfur Dioxide and Carbonaceous Aerosol Emissions From East and Southeast Asia. United States: N. p., 2018.
Web. doi:10.1029/2018GL080127.
Grandey, Benjamin S., Yeo, Lik Khian, Lee, Hsiang‐He, & Wang, Chien. The Equilibrium Climate Response to Sulfur Dioxide and Carbonaceous Aerosol Emissions From East and Southeast Asia. United States. https://doi.org/10.1029/2018GL080127
Grandey, Benjamin S., Yeo, Lik Khian, Lee, Hsiang‐He, and Wang, Chien. Thu .
"The Equilibrium Climate Response to Sulfur Dioxide and Carbonaceous Aerosol Emissions From East and Southeast Asia". United States. https://doi.org/10.1029/2018GL080127.
@article{osti_1478141,
title = {The Equilibrium Climate Response to Sulfur Dioxide and Carbonaceous Aerosol Emissions From East and Southeast Asia},
author = {Grandey, Benjamin S. and Yeo, Lik Khian and Lee, Hsiang‐He and Wang, Chien},
abstractNote = {We investigate the equilibrium climate response to East and Southeast Asian emissions of carbonaceous aerosols and sulfur dioxide, a precursor of sulfate aerosol. Using the Community Earth System Model with the Community Atmosphere Model version 5.3, we find that anthropogenic aerosol emissions from East and Southeast Asia exert a global mean net radiative effect of -0.49 ± 0.04 W/m2. Approximately half of this cooling effect can be attributed to anthropogenic sulfur dioxide emissions. The aerosol emissions drive widespread cooling across the Northern Hemisphere. Strong suppression of precipitation occurs over East and Southeast Asia, indicating that anthropogenic aerosol emissions may impact water resources locally. However, in contrast to previous research, we find no clear evidence of remote effects on precipitation over Australia and West Africa. We recommend further investigation of possible remote effects.},
doi = {10.1029/2018GL080127},
journal = {Geophysical Research Letters},
number = 20,
volume = 45,
place = {United States},
year = {Thu Oct 18 00:00:00 EDT 2018},
month = {Thu Oct 18 00:00:00 EDT 2018}
}
https://doi.org/10.1029/2018GL080127
Web of Science
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