globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo1731
论文题名:
Strong increase in convective precipitation in response to higher temperatures
作者: Berg P.; Moseley C.; Haerter J.O.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2013
卷: 6, 期:3
起始页码: 181
结束页码: 185
语种: 英语
Scopus关键词: cloud ; convective system ; data set ; global warming ; high temperature ; measurement method ; precipitation (climatology) ; spatiotemporal analysis ; thunderstorm ; Germany
英文摘要: Precipitation changes can affect society more directly than variations in most other meteorological observables1-3, but precipitation is difficult to characterize because of fluctuations on nearly all temporal and spatial scales. In addition, the intensity of extreme precipitation rises markedly at higher temperature4-9, faster than the rate of increase in the atmosphere's water-holding capacity1,4, termed the Clausius-Clapeyron rate. Invigoration of convective precipitation (such as thunderstorms) has been favoured over a rise in stratiform precipitation (such as large-scale frontal precipitation) as a cause for this increase 4,10, but the relative contributions of these two types of precipitation have been difficult to disentangle. Here we combine large data sets from radar measurements and rain gauges over Germany with corresponding synoptic observations and temperature records, and separate convective and stratiform precipitation events by cloud observations. We find that for stratiform precipitation, extremes increase with temperature at approximately the Clausius-Clapeyron rate, without characteristic scales. In contrast, convective precipitation exhibits characteristic spatial and temporal scales, and its intensity in response to warming exceeds the Clausius-Clapeyron rate. We conclude that convective precipitation responds much more sensitively to temperature increases than stratiform precipitation, and increasingly dominates events of extreme precipitation. Copyright © 2013 Macmillan Publishers Limited.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106853
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Wolfgang-Gaede-Weg 1, 76131 Karlsruhe, Germany; Rossby Centre, Swedish Meteorological and Hydrological Institute, Folkborgsvägen 17, 6017631 Norrköping, Sweden; Max Planck Institute for Meteorology, Bundesstraße 53, 20146 Hamburg, Germany; Helmholtz Zentrum Geesthacht, Climate Service Center, Fischertwiete 1, 200956 Hamburg, Germany; Center for Models of Life, Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, 2100 Copenhagen, Denmark

Recommended Citation:
Berg P.,Moseley C.,Haerter J.O.. Strong increase in convective precipitation in response to higher temperatures[J]. Nature Geoscience,2013-01-01,6(3)
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