HEAVY-METALS IN SOILS IN NORTH SOMERSET, ENGLAND, WITH SPECIAL REFERENCE TO CONTAMINATION FROM BASE-METAL MINING IN THE MENDIPS

被引：30
作者：
DAVIES, BE
BALLINGER, RC
机构：
[1] Department of Environmental Science, University of Bradford, Bradford, BD7 1DP, West Yorkshire
[2] Department of Maritime Studies, University of Wales College of Cardiff, Cardiff, CF1 3YP
来源：
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 1990年 / 12卷 / 04期
关键词：
D O I：
10.1007/BF01783454
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A 2 x 2 km grid survey of surface soils was conducted over 600 km of North Somerset, England, to investigate the role of pollution from former base metal mines on soil heavy metal content. Soil contents of Pb, Zn, Cu and Cd were determined by atomic absorption spectrometry after extraction in hot, concentrated nitric acid. Most of the soils were contaminated by lead, zinc and cadmium. Isoline maps and perspective block diagrams showed this contamination to be most severe on the Mendip plateau, especially in the vicinity of Shipham, Wells and Priddy districts. Resurgences, polluted from mine drainage, also contaminated soils at the base of the Mendip slopes and, over the lowlands, trace element enriched Liassic shales caused significant local anomalies.
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收藏
页码：291 / 300
页数：10
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