Caractérisation hydrogéologique du bassin de la Solières
Lacroix, Cécile
Promotor(s) : Brouyère, Serge
Date of defense : 26-Jun-2017 • Permalink : http://hdl.handle.net/2268.2/2484
Details
Title : | Caractérisation hydrogéologique du bassin de la Solières |
Author : | Lacroix, Cécile |
Date of defense : | 26-Jun-2017 |
Advisor(s) : | Brouyère, Serge |
Committee's member(s) : | Boulvain, Frédéric
Dassargues, Alain Michel, Georges |
Language : | French |
Discipline(s) : | Physical, chemical, mathematical & earth Sciences > Earth sciences & physical geography |
Institution(s) : | Université de Liège, Liège, Belgique |
Degree: | Master en sciences géologiques, à finalité approfondie |
Faculty: | Master thesis of the Faculté des Sciences |
Abstract
[en] From a geological point of view, the Solières basin can be divided into two parts, with Carboniferous limestones in which a huge karstic network has developed in the northern part and Devonian quartzite sandstones in the southern part. An area of great biological interest is located downstream of the basin. However no detailed hydrogeological study has been realized and the quality of the water in the basin is not well known. It is for those reasons that this study has been made. The water balance of the basin was made with temperature, rainfall and water level data recorded by a rain gauge and a multi-parameter OTT probe. The karstic network was characterized by repeated gauging and by tracer tests between losing streams and resurgences. The fluorescence of organic matter and chemical analyses of the water have been studied in order to trace the origin of the water emerging from the resurgences and to check those quality. The water balance helped to highlight that the geological basin is larger than the geographic one. The measurements made during the study also showed an increasing groundwater supply to the Mine resurgence. At the end of this work, we can reach the conclusion that it is likely that the “Poudrerie” resurgence is an intermittently resurgence and that the second resurgence of the Avairis stream is a spring.
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