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Changes caused by human activities in the high health-risk hot-dry and hot-wet events in China

Environmental Studies and Forestry

Changes caused by human activities in the high health-risk hot-dry and hot-wet events in China

H. Yao, L. Zhao, et al.

This groundbreaking study examines the alarming rise of compound heat anomalies in China, notably hot-dry and hot-wet events. It unveils startling findings on how human activities have exacerbated these extreme weather occurrences, particularly in the Yangtze River region. Conducted by a team of experts including Haoxin Yao, Liang Zhao, and Yiling He, the research also offers a hopeful projection of health-risk reduction under future carbon-neutral scenarios.

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Playback language: English
Abstract
Compound heat anomalies, such as hot-dry and hot-wet events, pose significant health risks. This study uses ambulance dispatch data, air temperature, and relative humidity to investigate human impacts on these events in China. It finds that anthropogenic activities have increased hot-dry events by 2.34 times and decreased hot-wet events by 0.63 times over the past 40 years, particularly in the Yangtze River region. Under a carbon-neutral scenario by 2060, the study projects a reduction in high health-risk hot-dry and hot-wet events.
Publisher
Communications Earth & Environment
Published On
Aug 27, 2024
Authors
Haoxin Yao, Liang Zhao, Yiling He, Wei Dong, Xinyong Shen, Jingsong Wang, Yamin Hu, Jian Ling, Ziniu Xiao, Cunrui Huang
Tags
compound heat anomalies
human impacts
hot-dry events
hot-wet events
health risks
Yangtze River
carbon-neutral scenario
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