城郊新建开发区土壤环境特征垂直变化分析
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广东省自然科学基金项目(031288)、广东省科技攻关项目(2002C31617,2002C32203)资助。


VERTICAL VARIATION OF SOIL ENVIRONMENTAL CHARACTERISTICS IN SUBURBAN DEVELOPMENT ZONES
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    摘要:

    以珠海城郊新建开发区南屏科技工业园区为例,通过5个土壤剖面采样与室内分析测定,研究了工业园区建设期间景观突变对土壤环境特征垂直变化的影响。结果表明,pH值和重金属元素As、Hg、Cu、Pb的含量垂直变化明显,并且随剖面样点的不同,变化情况有较大差异。剖面SP-A和SP-E上层呈酸性,下层呈强碱性;As、Hg、Cu含量垂直变化相似,5个剖面均呈上低下高趋势;而SP-A、SP-B和SP-C 3个剖面土样Pb的含量,上层明显高于下层;有机污染物六六六与DDT在各剖面土样中均可检出,平均含量分别为9.77×10-3 mg/kg、8.09×10-3 mg/kg,但垂直变化差异不明显。

    Abstract:

    In order to investigate impacts of abrupt change in landscape on soil environmental characteristics in soil profiles in Nanping Technology and Industry Zone, Zhuhai City, soil samples, gathered from 5 profiles to a depth of 250cm at 50~60cm intervals, were analyzed. The results indicate that pH values and contents of heavy metals (As, Hg, Cu, and Pb) varied distinctly along the profile and the variation along the profile also differed sharply with the site of the profile. Profiles SP-A and SP-E appear acidic in the upper layers and alkaline in the lower soil layers. The contents of As, Hg and Cu showed the same increasing trend from the top to the bottom in all the profiles. But Pb content in Profiles SP-A, SP-B and SP-C appeared in a reserve trend. Though the contents were low and changed little along the profiles, BHC and DDT could be detected in all samples with mean values being 9.77×10-3mg/kg and 8.09×10-3mg/kg, respectively.

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吴志峰,李芳柏,匡耀求,万洪富.城郊新建开发区土壤环境特征垂直变化分析[J].土壤,2005,37(1):37-40. WU Zhi-feng, LI Fang-bai, KUANG Yao-qiu, WAN Hong-fu. VERTICAL VARIATION OF SOIL ENVIRONMENTAL CHARACTERISTICS IN SUBURBAN DEVELOPMENT ZONES[J]. Soils,2005,37(1):37-40

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  • 在线发布日期: 2017-05-18
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