Hydrochemical Evolution of the Chalk Aquifer through the Coal Mine Basin of the Nord-Pas-de Calais Region (France)

被引:0
|
作者
Barrez, Frederic [1 ]
Carlier, Erick [1 ]
Cartier, Jean-Philippe [1 ]
Shahrour, Isam [1 ]
机构
[1] Univ Sci & Technol Lille, Polytech Lille, CNRS, Dept Civil Engn,LML,UMR 8107, F-59655 Villeneuve Dascq, France
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中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The coal basin of the Nord-Pas-de-Calais region (France) shows a very strong deterioration of the Chalk aquifer quality. The water chemistry is strongly influenced by coal mine tips which release sulphate in the aquifer. Moreover, chalk aquifer can also be polluted by nitrate brought by agricultural practices or sewages and heavy metals brought by industrial activities. In order to improve knowledge on the chemical interactions, sampling according to depth of the groundwater is undertaken. The low-flow sampling and the profiles of the in-situ physicochemical parameters allow the observation of vertical heterogeneities of the aquifer.
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页码:251 / 254
页数:4
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