globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-12-00778.1
Scopus记录号: 2-s2.0-84881622027
论文题名:
Seasonal tropical cyclone rain volumes over australia
作者: Dare R.A.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期:16
起始页码: 5958
结束页码: 5964
语种: 英语
Scopus关键词: Correlation coefficient ; Interannual variability ; Land areas ; Landfalling ; Mean percentage ; Rainfall data ; Tropical cyclone ; Two parameter ; Hurricanes ; Rain ; air-sea interaction ; annual variation ; El Nino-Southern Oscillation ; La Nina ; parameterization ; precipitation intensity ; rainfall ; seasonal variation ; tropical cyclone ; Australia
英文摘要: For a continent as dry as Australia, where water is a valuable resource, it is important to understand the sources of rainfall. The volume of water contributed by tropical cyclones (TCs) during the November-April season is investigated using 42 seasons of TC and rainfall data. The seasonal total TC rain volume (SRV) ranges from a minimum of 34.2km3 in 1987±88 to a maximum of 564.4km3 in 2000/01, with a long-term mean of 198.66107.4km3. In terms of mean percentage, TCs contribute 7.6% to the seasonal total rain volume over Australia. The number of landfalling TCs and the number of TCs that individually produce more than the mean individual TC rain volume (25.7km3) during a season are significant influences on the SRV. The TCs passing near the coast without landfalling have little impact on the SRV. The two parameters that correlate best with SRV are the total time spent over land by TCs during a season and the total land area covered by TCs during a season (correlation coefficients of 0.79 and 0.84, respectively). Although the highest SRVs occur almost exclusively during La Ni~na and neutral seasons, there is a mixture of ENSO seasons corresponding to the lowest SRVs. In general, the large interannual variability, even within a particular ENSO class, indicates that caution should be used when attempting to relate SRV to the phase of ENSO. © 2013 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51713
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作者单位: Centre for Australian Weather and Climate Research, Bureau of Meteorology, 700 Collins St., Melbourne, Australia

Recommended Citation:
Dare R.A.. Seasonal tropical cyclone rain volumes over australia[J]. Journal of Climate,2013-01-01,26(16)
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