GSTDTAP  > 气候变化
DOI10.1088/1748-9326/ab7d04
Escalating global exposure to compound heat-humidity extremes with warming
Li, Dawei1,4,5; Yuan, Jiacan2,3; Kopp, Robert E.3,4
2020-06-01
发表期刊ENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
出版年2020
卷号15期号:6
文章类型Article
语种英语
国家USA; Peoples R China
英文摘要

Heat stress harms human health, agriculture, the economy, and the environment more broadly. Exposure to heat stress is increasing with rising global temperatures. While most studies assessing future heat stress have focused on surface air temperature, compound extremes of heat and humidity are key drivers of heat stress. Here, we use atmospheric reanalysis data and a large initial-condition ensemble of global climate model simulations to evaluate future changes in daily compound heat-humidity extremes as a function of increasing global-mean surface air temperature (GSAT). The changing frequency of heat-humidity extremes, measured using wet bulb globe temperature (WBGT), is strongly related to GSAT and, conditional upon GSAT, nearly independent of forcing pathway. The historical similar to 1 degrees C of GSAT increase above preindustrial levels has already increased the population annually exposed to at least one day with WBGT exceeding 33 degrees C (the reference safety value for humans at rest per the ISO-7243 standard) from 97 million to 275 million. Maintaining the current population distribution, this exposure is projected to increase to 508 million with 1.5 degrees C of warming, 789 million with 2.0 degrees C of warming, and 1.22 billion with 3.0 degrees C of warming (similar to late-century warming projected based on current mitigation policies).


英文关键词heat stress wet bulb globe temperature heat-humidity extremes population exposure
领域气候变化
收录类别SCI-E
WOS记录号WOS:000536881700001
WOS关键词WET-BULB TEMPERATURE ; FREQUENT ; LONGER ; INDEX ; WAVES
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/279344
专题气候变化
作者单位1.Rutgers State Univ, Dept Marine & Coastal Sci, New Brunswick, NJ 08901 USA;
2.Fudan Univ, Dept Atmospher & Ocean Sci, Shanghai, Peoples R China;
3.Rutgers State Univ, Dept Earth & Planetary Sci, Piscataway, NJ USA;
4.Rutgers State Univ, Rutgers Inst Earth Ocean & Atmospher Sci, New Brunswick, NJ 08901 USA;
5.Univ Massachusetts, Dept Geosci, Amherst, MA 01003 USA
推荐引用方式
GB/T 7714
Li, Dawei,Yuan, Jiacan,Kopp, Robert E.. Escalating global exposure to compound heat-humidity extremes with warming[J]. ENVIRONMENTAL RESEARCH LETTERS,2020,15(6).
APA Li, Dawei,Yuan, Jiacan,&Kopp, Robert E..(2020).Escalating global exposure to compound heat-humidity extremes with warming.ENVIRONMENTAL RESEARCH LETTERS,15(6).
MLA Li, Dawei,et al."Escalating global exposure to compound heat-humidity extremes with warming".ENVIRONMENTAL RESEARCH LETTERS 15.6(2020).
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