粒度在沉积物物源判别中的运用

被引:74
作者
安福元 [1 ,2 ]
马海州 [1 ]
樊启顺 [1 ]
周宝 [3 ]
张启兴 [4 ]
机构
[1] 中国科学院青海盐湖研究所
[2] 中国科学院研究生院
[3] 青海省地质环境监测总站
[4] 青海省水文地质、工程地质、环境地质调查院
关键词
粒度; 沉积物; 物源判别;
D O I
暂无
中图分类号
P512.2 [剥蚀作用、搬运作用、沉积作用];
学科分类号
070908 [沉积学(含古地理学)];
摘要
自然界中沉积物的组成和成因具有多样性。应用粒度方法可以区分、提取和判别沉积物中的各个组分。粒度方法主要有频率曲线和累积曲线分布法、数学函数组分提取法(包括Weibull分布函数拟合法、端元模型分析法、标准偏差法、粒度分维法等)和粒度参数判别公式法。综合应用上述方法可有效地判别出单一沉积物的物质来源或者复杂沉积物中的各个组分,而这些方法被前人广泛地应用于湖泊研究中,提取了过去的环境变化信息,也指导了作者在盐湖沉积中的研究工作。
引用
收藏
页码:49 / 56
页数:8
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