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Title: Attribution of the July–August 2013 heat event in Central and Eastern China to anthropogenic greenhouse gas emissions

Journal Article · · Environmental Research Letters
 [1];  [2];  [3];  [4];  [5]
  1. Chinese Academy of Meteorological Sciences, Beijing (China); Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
  2. Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China); Jiangsu Collaborative Innovation Center for Climate Change, Nanjing (China)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. Univ. of New South Wales, Sydney, NSW (Australia)
  5. National Inst. for Environmental Studies, Ibaraki (Japan)

In the midsummer of 2013, Central and Eastern China (CEC) was hit by an extraordinary heat event, with the region experiencing the warmest July-August on record. To explore how human-induced greenhouse gas emissions and natural internal variability contributed to this heat event, we compare observed July-August mean surface air temperature wit h that simulated by climate models. We find that both atmospheric natural variability and anthropogenic factors contributed to this heat event. This extreme warm midsummer was associated with a positive high-pressure anomaly that was closely related to the stochastic behavior of atmospheric circulation. Diagnosis of CMIP5 models and large ensembles of two atmospheric models indicates that human influence has substantially increased the chance of warm mid-summers such as 2013 in CEC, although the exact estimated increase depends on the selection of climate models.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1379852
Journal Information:
Environmental Research Letters, Vol. 12, Issue 5; ISSN 1748-9326
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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Cited By (8)

Effects of urbanization and global climate change on regional climate in the Pearl River Delta and thermal comfort implications journal February 2019
Impacts of Anthropogenic Forcings and El Niño on Chinese Extreme Temperatures journal August 2018
Prediction of summer hot extremes over the middle and lower reaches of the Yangtze River valley journal June 2018
Anthropogenic impacts on recent decadal change in temperature extremes over China: relative roles of greenhouse gases and anthropogenic aerosols journal July 2018
Climate warming will not decrease perceived low-temperature extremes in China journal September 2018
Projected near-term changes in three types of heat waves over China under RCP4.5 journal April 2019
Detecting human influence on the temperature changes in Central Asia journal May 2019
Are the Observed Changes in Heat Extremes Associated With a Half‐Degree Warming Increment Analogues for Future Projections? journal August 2019

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