IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
当曲与沱沱河流域土壤微量元素的自然含量及分布特征
Alternative TitleCONTENT AND DISTRIBUTIoN OF TRACE ELEMENTS IN THE NATURAL SOILS oF DAM AND TUOTUO RIVER REGION
Language中文
孙广友; 唐邦兴 主编
Source Publication长江河源区自然环境研究
Editor土壤微量元素
Pages81-88
1995
Publisher科学出版社
Publication Place北京市
Keyword土壤微量元素 当曲 沱沱河流域
Abstract1986年复.笔者在参加长江科学考察漂流探险活动中.对长江河源区当曲与沱沱河流域生态环境进行了综合考察。本文根据样品中铜、镉、铝、锌等多种元素的测试结果,来探讨这些元素在土壤中的自然含量及其分布特征。
本文指出不同母质的草毡土重量元素的丰度不同。区内四种主要土壤的微量元素具有草毡土>沼泽土>莎嘎土大于寒漠土趋势。Cu、Co等在表层富集;Sr、Ba在沉积层富集;微量元素总量低于世界土壤平均值。
Other Abstract

More than a dozen trace elements in the soil of Dam and Tuotuo River area are studied.The results show that the average concentrations of total trace elements in major soils are at the lower level.The total Content of trace elements in sotI iS influenced by the biocycle and.geocycle in soil formalion processes.

    The order of 1he average contellt of trace elements in major soils is as follows.Alpine mountain meadow soil>swamp soil>alpine mountain steppe soil>alpine mountain cryogenic soil.Among these elements, some heavy metals,such as Cu,Co。Ni,Cr,Mn,Zn and Hg are higher,Sr and Ba accumlale relatively in calcichorizn of profile,the other trace elements content in Dam are higher than that in Tuotuo River region.

Document Type专著章节文集论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7290
Collection成都山地所知识仓储(2009年以前)
Recommended Citation
GB/T 7714
孙广友,唐邦兴 主编. 当曲与沱沱河流域土壤微量元素的自然含量及分布特征. 长江河源区自然环境研究. 北京市:科学出版社,1995:81-88.
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