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Spatially distinct effects of preceding precipitation on heat stress over eastern China
Liu, Xingcai1; Tang, Qiuhong1,2; Zhang, Xuejun1; Groisman, Pavel3,7; Sun, Siao4; Lu, Hui5,6; Li, Zhe1
2017-11-01
Source PublicationENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
Volume12Issue:11Pages:9
Corresponding AuthorTang, Qiuhong(tangqh@igsnrr.ac.cn)
AbstractIn many terrestrial regions, higher than usual surface temperatures are associated with (or are even induced by) surface moisture deficits. When in the warm season temperatures become anomalously high, their extreme values affect human beings causing heat stress. Besides increased temperature, rising humidity may also have substantial implications for bodily thermal comfort. However, the effects of surface moisture on heat stress, when considering both temperature and humidity, are less known. In this study, the relationship between the number of hot days in July as indicated by the wet-bulb globe temperature and the preceding three months of precipitation was assessed over eastern China. It is found that the probability of occurrence of above the average number of hot days exceeds 0.7 after a preceding precipitation deficit in northeastern China, but is less than 0.3 in southeastern China. Generally, over eastern China, the precipitation in the preceding months is negatively correlated with temperature and positively correlated with specific humidity in July. The combined effects generate a spatially distinct pattern: precipitation deficits in preceding months enhance heat stress in northeastern China while in southern China these deficits are associated with reduction of heat stress. In the south, abundant preceding precipitation tends to increase atmospheric humidity that is instrumental for the increase of heat stress. These results contribute predictive information about the probability of mid-summer heat stress in eastern China a few weeks ahead of its occurrence.
Keywordpreceding precipitation heat stress wet-bulb globe temperature eastern China
DOI10.1088/1748-9326/aa88f8
WOS KeywordSOIL-MOISTURE ; CLIMATE-CHANGE ; UNITED-STATES ; SUMMER TEMPERATURE ; NORTH-AMERICA ; EUROPE ; IRRIGATION ; FORECASTS ; HUMIDITY ; ENSEMBLE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41425002] ; National Natural Science Foundation of China[41730645] ; National Natural Science Foundation of China[51609230] ; National Youth Top-notch Talent Support Program in China ; Ministry of Education and Science of the Russian Federation[14.B25.31.0026]
Funding OrganizationNational Natural Science Foundation of China ; National Youth Top-notch Talent Support Program in China ; Ministry of Education and Science of the Russian Federation
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000424394400001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57141
Collection中国科学院地理科学与资源研究所
Corresponding AuthorTang, Qiuhong
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.North Carolina State Univ, NOAA Natl Ctr Environm Informat, 151 Patton Ave, Asheville, NC 28801 USA
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Reg Sustainable Dev Modeling, Beijing, Peoples R China
5.Tsinghua Univ, Minist Educ, Key Lab Earth Syst Modeling, Beijing, Peoples R China
6.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China
7.Russian Acad Sci, PP Shirshov Inst Oceanol, Moscow, Russia
Recommended Citation
GB/T 7714
Liu, Xingcai,Tang, Qiuhong,Zhang, Xuejun,et al. Spatially distinct effects of preceding precipitation on heat stress over eastern China[J]. ENVIRONMENTAL RESEARCH LETTERS,2017,12(11):9.
APA Liu, Xingcai.,Tang, Qiuhong.,Zhang, Xuejun.,Groisman, Pavel.,Sun, Siao.,...&Li, Zhe.(2017).Spatially distinct effects of preceding precipitation on heat stress over eastern China.ENVIRONMENTAL RESEARCH LETTERS,12(11),9.
MLA Liu, Xingcai,et al."Spatially distinct effects of preceding precipitation on heat stress over eastern China".ENVIRONMENTAL RESEARCH LETTERS 12.11(2017):9.
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