| Trends in Extremes of Surface Humidity, Temperature, and Summertime Heat Stress in China |
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| 作者姓名： | Julian X.L. Wang Dian J. Gaffen |
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| 作者单位： | Julian X.L. Wang and Dian J. Gaffen NOAA/ Air Resources Laboratory，Silver Spring，MD，20910，USA |
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| 摘 要： | l. IntroductionPrevious studies have shown climatological and seasonal surface temperature and humld-ity dlstributlons over China (Wang and Gaffen, 200l ) and evaluated trends in seasonal meansof several surface humidity variables, rainfall, temperatures, and apparent temPerature for thelast half century (Easterling et al., 2000, Zhai et al., 1999, Zhai and Eskridge, l997, Zhai andRen, l997, Wang and Gaffen, 200l). However, trends in local temperatures, and particularlytrends in extreme he…
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Trends in Extremes of Surface Humidity, Temperature, and Summertime Heat Stress in China |
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| Julian X.L. Wang,Dian J. Gaffen.Trends in Extremes of Surface Humidity, Temperature, and Summertime Heat Stress in China[J].Advances in Atmospheric Sciences,2001,18(5):742-751. |
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| Authors: | Julian XL Wang and Dian J Gaffen |
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| Institution: | Correponding author address: Julian X.L. Wang, NOAA Air Resources Laboratory, R/ARL, 1315 East West Highway, Silver Spring, MD 20910, USA.,NOAA/ Air Resources Laboratory, Silver Spring, MD, 20910, USA |
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| Abstract: | In the past half century, the mean summertime temperature in China has increased, with nights warm ing more than days. Using surface station observations, we show that the frequency of extreme heat-stress events in China, caused by extremely hot and humid days as well as by heatwaves lasting for a few days, has increased over the period from 1951 to 1994. When humidity is high, hot weather can cause heat stress in humans. The increased heat-stress trend may pose a public health problem. |
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| Keywords: | Trend detection Climate change Public health |
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