深圳市土壤微量元素含量成因分析
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*国家杰出青年基金资助(49525102)


DISTRIBUTION PATTERN OF TRACE ELEMENTS IN SOIL FROM SHENZHEN AREA
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    摘要:

    对深圳地区9种母质和6种土类构成的16个母质─土类单元共83个土壤样品中12种微量元素的含量进行侧定.在此基础上分析了微量元素含量分布的成因.研究结果表明,成土母质是影响土壤微量元素含量和分布的首要因素,相同母质上的不同类型土壤中的微量元素含量大多无明显差异.土壤中微量元素的共生组合关系表现出明显的母质继承性特征,由于微量元素主要以同晶替代方式分散在硅酸盐矿物中,其分布与离子半径关系密切.第四周期过渡元家具有相似的分布格局,而Pb、Zn、Cd等另成一类.

    Abstract:

    83 samples collected from soils of six groups derived from nine parent material types were determined for 12 trace elements along with pH, organic matter, and clay content. The distribution pattern of the soil element was investigated. The results show significant difference in element contents among samples from different parent material types while there is no distinct differences among samples from various soil groups. In addition to the level of the trace elements, the paragentic relationship of various elements demonstrates successive to their parent material as well. Because the trace elements primarily occur dispersedly in silicon minerals, the distribution patterns of the trace element correlate well with their ionic radius. In general, the distribution patterns of the elements from the fourth period of the periodical table fall into a similar pattern different from those of lead, zinc and cadmium.

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陶澍,曹军,李本纲,徐福留,陈伟元.深圳市土壤微量元素含量成因分析[J].土壤学报,2001,38(2):248-255. DOI:10.11766/trxb199909070214 Tao Shu, Cao Jun, Li Ben-gang, Xu Fu-liu, Chen Wei-yuan. DISTRIBUTION PATTERN OF TRACE ELEMENTS IN SOIL FROM SHENZHEN AREA[J]. Acta Pedologica Sinica,2001,38(2):248-255.

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  • 收稿日期:1999-09-07
  • 最后修改日期:2000-03-05
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  • 在线发布日期: 2013-02-25
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