Impact of aerosol indirect effect on surface temperature over East Asia

Proceedings of the National Academy of Sciences of the United States of America
Yan HuangWilliam L Chameides

Abstract

A regional coupled climate-chemistry-aerosol model is developed to examine the impacts of anthropogenic aerosols on surface temperature and precipitation over East Asia. Besides their direct and indirect reduction of short-wave solar radiation, the increased cloudiness and cloud liquid water generate a substantial downward positive long-wave surface forcing; consequently, nighttime temperature in winter increases by +0.7 degrees C, and the diurnal temperature range decreases by -0.7 degrees C averaged over the industrialized parts of China. Confidence in the simulated results is limited by uncertainties in model cloud physics. However, they are broadly consistent with the observed diurnal temperature range decrease as reported in China, suggesting that changes in downward long-wave radiation at the surface are important in understanding temperature changes from aerosols.

References

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May 30, 2003·Nature·Eugenia Kalnay, Ming Cai
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Citations

Aug 11, 2010·Proceedings of the National Academy of Sciences of the United States of America·Jarrod R WelchDavid Dawe
Nov 8, 2007·Proceedings of the National Academy of Sciences of the United States of America·Liming ZhouYongjiu Dai
Sep 16, 2018·Nature Communications·Chandan SarangiDilip Ganguly
Nov 23, 2020·The Science of the Total Environment·S Talukdar, M Venkat Ratnam
Mar 26, 2021·Plant, Cell & Environment·Stephanie SchaarschmidtEllen Zuther
May 6, 2010·Analytical Chemistry·Kathy D DialJonathan E Thompson
Aug 24, 2021·Atmospheric Pollution Research·H R NaqviA R Naqvi
Aug 30, 2008·Environmental Science & Technology·Chang LangStaci Simonich

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