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系统地探讨了沉积物来源组成定量分析的磁诊断模型 .以美国Rhode河口湾和西班牙Isabal水库沉积物来源研究为例 ,提出了在样品磁参数基础上进行聚类分析 ,对来源物质分类 ;通过样品混合试验 ,建立磁参数混合模型 ;利用线性规划模型计算沉积物来源组成等方法 .在两个实例中 ,磁诊断模型实现了利用磁信息对沉积物来源组成的定量计算 ,其结果与相关的环境变化指标相吻合 .
This paper systematically explores the magnetic diagnostic model for the quantitative analysis of source composition of sediments. Taking the sediment source of Rhode estuary in the United States and Isabal reservoir in Spain as an example, this paper proposes a cluster analysis on the basis of the magnetic parameters of the samples to classify the source materials; Sample mixing test to establish a hybrid model of magnetic parameters; the use of linear programming model to calculate sediment source composition method.In two examples, the magnetic diagnostic model to achieve the use of magnetic information on sediment source composition of quantitative calculations, the results associated with Environmental change indicators match.