globalchange  > 气候减缓与适应
DOI: 10.1002/joc.5163
论文题名:
Changing patterns of daily precipitation totals at the Coweeta Hydrologic Laboratory, North Carolina, USA
作者: Burt T.P.; Ford Miniat C.; Laseter S.H.; Swank W.T.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38, 期:1
起始页码: 94
结束页码: 104
语种: 英语
英文关键词: Bermuda High ; Coweeta ; orographic enhancement ; rainfall
Scopus关键词: Atmospheric pressure ; Climate change ; Gages ; Precipitation (meteorology) ; Appalachian mountains ; Bermuda High ; Coweeta ; Daily precipitations ; North Atlantic oscillations ; North Carolina , USA ; Orographic enhancement ; Southeast United States ; Rain ; climate change ; drought ; El Nino-Southern Oscillation ; North Atlantic Oscillation ; orography ; precipitation assessment ; precipitation intensity ; teleconnection ; Coweeta Hydrologic Laboratory ; North Carolina ; United States
英文摘要: A pattern of increasing frequency and intensity of heavy rainfall over land has been documented for several temperate regions and is associated with climate change. This study examines the changing patterns of daily precipitation at the Coweeta Hydrologic Laboratory, North Carolina, USA, since 1937 for four rain gauges across a range of elevations. We analyse seasonal total rainfall, number of rain days and the frequency of heavy rainfall. We compare these with several teleconnections, including the Bermuda High Index (BHI), the West BHI, the North Atlantic Oscillation (NAO) and the El Niño-Southern Oscillation. Our data show a tendency for increased variability, including major periods of drought, with fewer rain days recently, especially in summer. Only autumn tended to have increases in rainfall frequency and magnitude; this is the season when orographic enhancement is at its strongest. The major driver of precipitation at Coweeta is the strength of the Bermuda High. The strength of the NAO is important in summer. The results are relevant to the southeast United States in general, given that the region comes under the influence of similar air masses during the year. The findings are applicable to the wider Appalachian Mountains and to other mountainous regions where there is significant orographic enhancement. © 2017 Royal Meteorological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/117177
Appears in Collections:气候减缓与适应

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作者单位: Department of Geography, Durham University, United Kingdom; USDA Forest Service, Southern Research Station, Coweeta Hydrologic Lab, Otto, NC, United States; USDA Forest Service, Southern Research Station, Center for Integrated Forest Science, Franklin, NC, United States

Recommended Citation:
Burt T.P.,Ford Miniat C.,Laseter S.H.,et al. Changing patterns of daily precipitation totals at the Coweeta Hydrologic Laboratory, North Carolina, USA[J]. International Journal of Climatology,2018-01-01,38(1)
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