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Application of maximum entropy method in the analysis of hydrologic period
Pages: 120-123
Year: Issue:  1
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  极大熵谱径流周期年净流量;
Abstract: 目的:探索河川径流的周期波动性,揭示河川的径流的丰枯交替以及干枯或洪峰的规律,进而计算出全局性的主要周期,从而达到反应河川径流整体特性的目的.方法:运用极大熵谱法,经基于Burg算法的AIC准则来选择模型参数,分析河川径流的主要周期.结果:将极大熵谱分析方法应用于后河径流演化规律分析中,结果显示:后河具有5年的显著周期.结论:极大熵谱分析法分辨率高,也可为未来总结、预测年径流变化的规律奠定基础.
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