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排序方法在土壤粒径分布研究中的应用——以策勒河流域为例

APPLICATION OF ORDINATION IN STUDY OF SOIL PARTICLE-SIZE DISTRIBUTION——A CASE STUDY OF CELE RIVER BASIN
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摘要 基于土壤结构的自相似性,分形理论目前被广泛用于土壤粒径分布(particle size distribution,简称PSD)研究中,即以相对较多的土壤粒级数据,利用单重或多重分形技术获取参数(分形维)形式揭示PSD特征。量化得出的分维值,能较全面反映土壤PSD特征及其之间的差异性,但会受限于PSD差异性与影响因素之间的进一步分析。
出处 《土壤学报》 CAS CSCD 北大核心 2011年第3期639-643,共5页 Acta Pedologica Sinica
基金 新疆科技重大专项(200733144-2) 国家自然基金(41001171) 国家重点基础发展计划项目(2009CB421302)资助
作者简介 桂东伟(1977-),男,博士研究生,主要从事荒漠环境研究。E-mail:guidwei@163.com 通讯作者,E-mail:desert@ms.xjb.ac.cn
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