Total Organic Carbon (TOC) and magnesium (Mg2+):: two complementary tracers of residence time in karstic systems

被引：65

作者：

Batiot, C ^{[1
]}

Emblanch, C ^{[1
]}

Blavoux, B ^{[1
]}

机构：

[1] Univ Avignon & Pays Vaucluse, UFR Sci, Lab Hydrogeol, F-84000 Avignon, France

来源：

COMPTES RENDUS GEOSCIENCE | 2003年 / 335卷 / 02期

关键词：

karst; hydrogeology; TOC; magnesium; unsaturated zone; saturated zone;

D O I：

10.1016/S1631-0713(03)00027-0

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Total Organic Carbon (TOC) is an interesting tracer of fast infiltration within karstic systems [3,7]. Regular sampling on several aquifers. from the experimental site of Vaucluse, made it possible to demonstrate the high sensitivity of this tracer compared with other commonly used chemical and isotopic tracers in karstic hydrogeology. The complementarity of magnesium, indicator of the residence time of water within the system, and TOC appears as a relevant tool in order to characterize the behaviour of the aquifer, to differentiate the water types which participate to the karstic flow (fast infiltration, unsaturated zone, saturated zone) and then, to evaluate their vulnerability. (C) 2003 Academie des sciences/Editions scientifiques et medicales Elsevier SAS. All rights reserved.

引用

页码：205 / 214

页数：10

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