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广东和海南土壤中微量元素丰度与相关性研究 预览 被引量:1

STUDY ON THE CONCENTRATION OF TRACE ELEMENTS OF NINE TYPICAL SOILS IN GUANGDONG AND HAINAN PROVINCES
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摘要 本文对广东和海南9种土壤类型中14种微量元素进行了丰度和相关性研究。提出用Mn/Zr和Mn+Zr2个指标来估计土壤中微量元素的丰度状况及判断土壤风化成土程度。分析表明,本区土壤与母质间微量元素含量均超过0.01水平显著值,土壤中微量元素间含量有一定相关性。 This paper focuses on the concentrations of the fourteen trace elements and the corelations of their contents of soil, parent material and rock as well as the corelations between every two elements in the nine typical soils in Guangdong and Hainan provinces. In the soils, comparing with the trace element contents of normal softs in the world (Andrews-Jones, 1968) the average weight of Pb, As and Hg is high(1.5~5m), and that of Sr and Cd is low (less than 0.1m). On the base of the principal component analysis, the sequence of the elements concentrations of the nine soils is ranged with the index of Mn/Zr, and the sequence of weathering intensity of the soils is also ranged with the index of Mn+Zr. The corelation analysis shows high corelative coefficient on the concentration of trace elements between the various types of soils and their parent materials. No significant corelation of the concentration is found between soil and rock, or parent material and rock with the exception of Co, Pb, Cu, Zr, and Ni contents.
作者 李小彬 潘树荣 Li Xiaobin (Guangzhou Institute of Geography) Pan Shurong (Department of Geography, Zhongshan University)
出处 《热带地理》 北大核心 1989年第1期 55-66,共12页 Tropical Geography
关键词 土壤 微量元素 相关性 地球化学 广东 海南 丰度 soil trace element concentration index Mn/Zr and Mn+Zr corelation
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