Mobility and distribution of lead, cadmium, copper and zinc in soil profiles in the peri-urban market garden of Kunming, Yunnan Province, China
Mobility and distribution of lead, cadmium, copper and zinc in soil profiles in the peri-urban market garden of Kunming, Yunnan Province, China
复制标题
云南省昆明市城郊菜园土壤剖面中铅、镉、铜、锌的迁移和分布
DOI：
10.1080/03650340.2012.746778
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发表时间：
2014-01
期刊：
影响因子：
--
通讯作者：
Li, Yuan
中科院分区：
文献类型：
--
作者：
Bock, Laurent;Schvartz, Christian;Colinet, Gilles;Li, Yuan
研究了云南省城郊市场花园5个土壤剖面中Pb、Cd、Cu和Zn的分布特征、连续提取态（SEF）以及与土壤性质的关系。SEF重金属包括乙酸可提取物（A-级分）、盐酸羟胺可提取物（B-级分）和过氧化氢和乙酸铵可提取物级分（C + D-级分）。结果表明：（1）土壤全Pb、Zn含量随深度增加而降低。Pb、Zn各形态的富集主要是由于有机碳和铁锰氧化物的富集。(2)当A层与C层之比（RAC）< 1.0时，土壤全Cd含量随土层深度的增加而增加. Cd在A层位内是相对移动的。C + D-Cd含量与有机碳积累量一致。(3)剖面2和剖面3中的总铜含量随深度的增加而降低，而在其他剖面中则增加。剖面1、2、3中B层A-Cu含量高于A、C层，剖面4、5中A-Cu含量随深度增加而降低。B-Cu含量随深度增加而增加，C + D-Cu含量随深度增加而减少。重金属在土壤剖面中的迁移和再分布受粘粒含量、有机碳和铁锰氧化物的影响。
Five profiles located in the peri-urban market garden of Yunnan Province, China were investigated for the distribution and sequential extraction fractions (SEF) of Pb, Cd, Cu and Zn, and mobility in relation to soil properties. SEF heavy metals included acetic acid extractable (A-fraction), hydroxylamine hydrochloride extractable (B-fraction) and hydrogen peroxide and ammonium acetate extractable fractions (C + D-fraction). The results showed that: (1) Total Pb and Zn contents decreased with soil depth. The accumulation of different fractions of Pb and Zn was due to accumulation of organic carbon and Fe–Mn oxides. (2) Total Cd content increased with soil depth with the ratio of A to C horizons (RAC) < 1.0. Cd was relatively mobile within the A horizon. C + D-Cd contents were consistent with organic carbon accumulation. (3) Total Cu content in profiles 2 and 3 decreased with depth, while in other profiles it increased. A-Cu contents in the B horizon in profiles 1, 2 and 3 were higher than in the A and C horizons, and decreased with depth in profiles 4 and 5 in the transition unit. B-Cu content increased with depth, whereas C + D-Cu contents decreased. The mobility and redistribution of heavy metals in soil profiles were influenced by clay content, organic carbon and Fe–Mn oxides.
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影响因子：
3.6
作者：
Kerstin Sielaff;J. Einax
通讯作者：
Kerstin Sielaff;J. Einax
DOI：
--
发表时间：
2004
期刊：
Contributions to Geology and Mineral Resources Research
影响因子：
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作者：
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通讯作者：
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影响因子：
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作者：
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影响因子：
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作者：
N. Zheng;Qi-chao Wang;D. Zheng
通讯作者：
N. Zheng;Qi-chao Wang;D. Zheng
DOI：
--
发表时间：
2012
期刊：
--
影响因子：
--
作者：
Zhu Huina
通讯作者：
Zhu Huina