河北平原沧州-武强土壤地球化学异常解析
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摘要
河北平原多目标区域地球化学调查在沧州-武强一带发现了以As、Cu、Zn、Fe、Mn、La、Th等元素为代表的多元素地球化学异常。本文利用地球化学方法,对该异常成因、生态环境效应等问题进行解释与评价。结果表明,特殊的沉积地质环境,即平原区低洼地内的自然吸附作用是形成大规模低缓地球化学异常的主要原因;异常对久负盛名的畅销果品沧州金丝小枣品质及油气热资源勘查的指示意义值得进一步研究。
Multi-objective regional geochemical survey in Cangzhou-Wuqiang area in Hebei Plain,China discovered As,Cu,Zn,Fe,Mn,Si,Ti and other elements as the representative of multi-element geochemical anomalies. In this paper,the abnormal causes,effects and other ecological problems were interpreted and evaluated by geochemical methods. Results show that the special sedimentary geological environment,namely the adsorption of natural lowland plains region is the main reason for large-scale geochemical anomalies.
Multi-objective regional geochemical survey in Cangzhou-Wuqiang area in Hebei Plain,China discovered As,Cu,Zn,Fe,Mn,Si,Ti and other elements as the representative of multi-element geochemical anomalies. In this paper,the abnormal causes,effects and other ecological problems were interpreted and evaluated by geochemical methods. Results show that the special sedimentary geological environment,namely the adsorption of natural lowland plains region is the main reason for large-scale geochemical anomalies.
引文
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[4]Salminen R,Gregorauskiene V.Considerations regarding the definition of a geochemical baseline of elements in the surficial materials in areas differing in basic geology[J].Applied Geochemistry,2000,15(5):647-653.
[5]Nriagu J O,Pacyna J M.Quantitative assessment of worldwide contamination of air,water and soil by trace metals[J].Nature,1988,333(6169):134-139.
[6]Zhai M,Kampunzu H A B,Modisi M P,et al.Distribution of heavy metals in Gaborone urban soils(Botswana)and its relationship to soil pollution and bedrock composition[J].Environmental Geology,2003,45(2):171-180.
[7]Martley E,Gulson B L,Pfeifer H R.Metal concentrations in soils around the copper smelter and surrounding industrial complex of Port Kembla,NSW,Australia[J].Science of the Total Environment,2004,325(1-3):113-127.
[8]张秀芝,马忠社,郭海全,等.河北省平原区及近岸海域多目标区域地球化学调查报告[R].河北省地质调查院,2009.
[9]Manta D S,Angelone M,Bellanca A,et al.Heavy metals in urban soils:A case study from the city of Palermo(Sicily),Italy[J].Science of the Total Environment,2002,300(1-3):229-243.
[10]Romic M,Romic D.Heavy metals distribution in agricultural topsoils in urban area[J].Environmental Geology,2003,43(43):795-805.
[11]Lin S,Hsieh I J,Huang,K M,et al.Influence of the Yangtze River and grain size on the spatial variations of heavy metals and organic carbon in the East China Sea continental shelf sediments[J].Chemistry Geology,2002,182(2-4):377-394.
[12]Ronco A,Camilion C,Manassero M.Geochemistry of heavy metals in bottom sediments from streams of the Western coast of the Rio De la Plata Estuary,Argentina[J].Environmental Geochemistry and Health,2001,23(2):89-103.
[13]Kuo-Ming H,Saulwood L.Consequences and implication of heavy metal spatial variations in sediments of the Keelung River drainage basin,Taiwan[J].Chemosphere,2003,53(9):1113-1121.
[14]河北省地质调查局水文地质研究室.河北第四纪[R].1979.
[15]李承绪.河北土壤[M].石家庄:河北科学技术出版社,1990.
[16]张秀芝,马忠社,魏静,等.利用元素地球化学特征研究河北平原第四纪沉积环境的探讨与实践[J].地学前缘,2012,19(4):194-205.
[17]张秀芝,马忠社,王志军,等.中华人民共和国多目标区域地球化学图集,河北省平原区及近岸海域[M].北京:地质出版社,2012.
[18]戎秋涛,翁焕新.环境地球化学[M].北京:地质出版社,1990.
[19]蒋敬业,程建萍,祁士华,等.应用地球化学[M].武汉:中国地质大学出版社,2006.