| 广东、广西沿岸海水盐度周期分析 |
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| 引用本文： | 何国民,卢婉娴,刘豫广.广东、广西沿岸海水盐度周期分析[J].热带海洋学报,1993(2). |
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| 作者姓名： | 何国民 卢婉娴 刘豫广 |
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| 作者单位： | 中国农产科学研究院南海水产研究所，中国农产科学研究院南海水产研究所，中国农产科学研究院南海水产研究所 广州 510300，广州 510300，广州 510300 |
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| 摘 要： | 用方差分析法对涠洲、硇洲、闸坡、万山、云澳五个海洋站多年观测的盐度月平均值序列作周期性检验。发现万山以西的三个站的盐度序列有明显的3.4—3.5a长周期波动,万山和云澳站序列也存在明显的2.1,6.9和7.25a等长周期波动。经分析还发现这些长周期波的振幅与年周期波的振幅有相同的数量级。因此不能忽视长周期波动的影响。文章最后对某些周期波动的成因作了讨论,认为这些长周期变化的成因与厄尔尼诺事件有一定关系。
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| 关 键 词： | 盐度 周期 南海 厄尔尼诺 |
AN ANALYSIS ON THE PERIODICITY OF SEAWATER SALINITY ALONG THE COAST OF GUANGDONG AND GUANGXI |
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| He Guomin Lu Wanxian Liu Yuguang.AN ANALYSIS ON THE PERIODICITY OF SEAWATER SALINITY ALONG THE COAST OF GUANGDONG AND GUANGXI[J].Journal of Tropical Oceanography,1993(2). |
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| Authors: | He Guomin Lu Wanxian Liu Yuguang |
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| Abstract: | Salinity periodicity had been studied by the method of squariance analysis on the mean monthly sequences from five observation stations. 3.4-3.5 years periodical vibration was obviously found in the sequences of three stations west to Wanshan. 2. 1, 6. 9 and 7. 25 year periods were found in Wanshan and Yunao. It was considered that the influence of these longterm variations should not be ignored because the analysis showed that those vibrations of long period and one year period had the same quantity grade amplitudes, and the reason of formation of the longterm variation was considered to be related to El Nino. |
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| Keywords: | salinity period South China Sea El Nino |
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