张庆红
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张庆红
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论文成果
Trends in Precipitable Water and Relative Humidity in China: 1979–2005
发布时间：2020-06-26点击次数：
影响因子：
2.364
DOI码：
10.1175/2011JAMC2446.1
发表刊物：
Journal of Applied Meteorology and Climatology
关键字：
Annual and seasonal trends of precipitable water (PW) and relative humidity (RH) at 850, 700, and 500 hPa are studied using the data from 106 radiosonde stations over China during the period 1979–2005. Analysis shows evidence of an increase in PW associated with the slight warming observed in the lower to mid-troposphere over China. The northern part of China shows a significant upward trend of PW in summer, and drying of the atmosphere in winter is found in most regions over China. Annual and seasonal trends in RH at the 850-, 700-, and 500-hPa levels show no significant trends in most regions in China except for Xinjiang, which shows an upward trend, and central China, where there was a downward trend in RH at 500 hPa. It is
found that changes in PW are coincident with the warming of the surface and the lower to mid-troposphere. The RH in the lower to mid-troposphere in most regions over China has remained steady during the most recent 30 years, as might be expected given the increasing of PW and the warming above the surface. The long-term trend of precipitation over China may be linked to the trends of PW and RH at the lower level and midlevel.
卷号：
Vol. 50
页面范围：
1985-1994
是否译文：
否
发表时间：
2011-10-15
收录刊物：
SCI
附件：