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Title: Toward reconciling the influence of atmospheric aerosols and greenhouse gases on light precipitation changes in Eastern China

Journal Article · · Journal of Geophysical Research: Atmospheres
DOI:https://doi.org/10.1002/2016JD024845· OSTI ID:1327141

The attribution of the widely observed shifted precipitation extremes to different forcing agents represents a critical issue for understanding of changes in the hydrological cycle. To compare aerosol and greenhouse-gas effects on the historical trends of precipitation intensity, we performed AMIP-style NCAR/DOE CAM5 model simulations from 1950-2005 with and without anthropogenic aerosol forcings. Precipitation rates at every time step in CAM5 are used to construct precipitation probability distribution functions. By contrasting the two sets of experiments, we found that the global warming induced by the accumulating greenhouse gases is responsible for the changes in precipitation intensity at the global scale. However, regionally over the Eastern China, the drastic increase in anthropogenic aerosols primarily accounts for the observed light precipitation suppression since the 1950s. Here, compared with aerosol radiative effects, aerosol microphysical effect has a predominant role in determining the historical trends of precipitation intensity in Eastern China.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE; ROSES14‐ACMAP project
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1327141
Report Number(s):
PNNL-SA-114060; KP1703010
Journal Information:
Journal of Geophysical Research: Atmospheres, Vol. 121, Issue 10; ISSN 2169-897X
Publisher:
American Geophysical UnionCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 41 works
Citation information provided by
Web of Science

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Cited By (10)

The Cloud Top Distribution and Diurnal Variation of Clouds Over East Asia: Preliminary Results From Advanced Himawari Imager journal April 2018
Declining diurnal temperature range in the North China Plain related to environmental changes journal October 2018
Impact of aerosols on tropical cyclone-induced precipitation over the mainland of China journal March 2018
Increased Frequency of Extreme Tropical Deep Convection: AIRS Observations and Climate Model Predictions journal December 2018
Inducing Factors and Impacts of the October 2017 California Wildfires journal August 2019
Relationships Between Tropical Ascent and High Cloud Fraction Changes With Warming Revealed by Perturbation Physics Experiments in CAM5 journal August 2019
Enhanced PM2.5 pollution in China due to aerosol-cloud interactions journal June 2017
The variability in the relationship between black carbon and carbon monoxide over the eastern coast of China: BC aging during transport journal January 2017
Secondary organic aerosol enhanced by increasing atmospheric oxidizing capacity in Beijing–Tianjin–Hebei (BTH), China journal January 2019
Contribution of local and remote anthropogenic aerosols to a record-breaking torrential rainfall event in Guangdong Province, China journal January 2020

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