SOUTHERN OSCILLATION INFLUENCES ON THE GOLD-COAST SUMMER WAVE CLIMATE

被引:0
|
作者
PHINN, SR [1 ]
HASTINGS, PA [1 ]
机构
[1] UNIV QUEENSLAND,DEPT GEOG SCI & PLANNING,APPL CLIMATE RES UNIT,BRISBANE,QLD 4072,AUSTRALIA
关键词
TROPICAL CYCLONES; EL NINO SOUTHERN OSCILLATION; COASTAL MANAGEMENT; WAVE GENERATION AREA;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Tropical cyclone-generated wave conditions coincident with extreme phases of the Southern Oscillation were examined for Gold Coast (eastern Australia) beaches over the period 1972-1989. The study expands upon similar previous research conducted on Sydney's wave climate. values of summer (Southern Hemisphere) mean-monthly deepwater wavepower on northern Gold Coast (Australia) beaches were found to be significantly lower during El Nino Southern Oscillation (ENSO) phases of the Southern Oscillation than during the opposing anti-ENSO phases. It is proposed that Southern Oscillation-related variability of Australian/South-west Pacific tropical cyclone activity is an important mechanism underlying the observed contrast. A tropical cyclone wave generation area was constructed for Gold Coast beaches using individual tropical cyclone and site data Possible coastal management implications of these findings are discussed.
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页码:946 / 958
页数:13
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