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Préservation et exploitation de la nappe de Dijon sud / Laurence Catherinot in La Houille blanche, N° 3 (Mai/Juin 2008) 

Public ISBD [article]  in La Houille blanche > N° 3 (Mai/Juin 2008) . - pp. 82-87 Titre : Préservation et exploitation de la nappe de Dijon sud Type de document : texte imprimé Auteurs : Laurence Catherinot, Auteur ; Jerome De Dompsure, Auteur ; Emmanuel Soncourt, Auteur Année de publication : 2010 Article en page(s) : pp. 82-87 Note générale : Hydraulique Langues : Français (fre) Mots-clés : Préservation  de  la  nappe  Exploitation  de  la  nappe  Dijon  sud Résumé : Southern Dijon Aquifer is a large renewable water body of 15 to 20 million m3. It is 20 km long and 2 to 4 km wide. Two aquifer layers are partly separated by a clay layer, and total depth is up to 63m. Water withdrawal started in 1960 but recently faced permanent diffuse pollution problems, originating from upstream industrial activity and agriculture. This would have ended in abandoning drinking water operation without a strong political willingness from local authorities to rehabilitate the groundwater aquifer. From 2003 to 2005, several studies and works have been undertaken. Upstream (Chenôve) water abstraction was continued with activated carbon water treatment, allowing water protection, and monitoring. Dowmstram (Marsannay-la-Côte), wells have been rehabilitated with the objective to avoid pollution transfer between aquifers and to manage water quality by selective abstraction from the two layers. Depending on water quality, upper aquifer water is either used for drinking water production (with pesticide removal treatment) or hydraulic barrier (with stripping treatment before disposal). Volatile organic compounds and hydrocarbons are monitored upstream of water wells. These works have allowed to restore and maintain long term use of the main capacitive aquifer of the area. DEWEY : 553.7 ISSN : 0018-6368 En ligne : http://www.shf-lhb.org/index.php?option=com_article&access=standard&Itemid=129&u [...] [article] Préservation et exploitation de la nappe de Dijon sud [texte imprimé] / Laurence Catherinot, Auteur ; Jerome De Dompsure, Auteur ; Emmanuel Soncourt, Auteur . - 2010 . - pp. 82-87. Hydraulique Langues : Français (fre) in La Houille blanche > N° 3 (Mai/Juin 2008) . - pp. 82-87 Mots-clés : Préservation  de  la  nappe  Exploitation  de  la  nappe  Dijon  sud Résumé : Southern Dijon Aquifer is a large renewable water body of 15 to 20 million m3. It is 20 km long and 2 to 4 km wide. Two aquifer layers are partly separated by a clay layer, and total depth is up to 63m. Water withdrawal started in 1960 but recently faced permanent diffuse pollution problems, originating from upstream industrial activity and agriculture. This would have ended in abandoning drinking water operation without a strong political willingness from local authorities to rehabilitate the groundwater aquifer. From 2003 to 2005, several studies and works have been undertaken. Upstream (Chenôve) water abstraction was continued with activated carbon water treatment, allowing water protection, and monitoring. Dowmstram (Marsannay-la-Côte), wells have been rehabilitated with the objective to avoid pollution transfer between aquifers and to manage water quality by selective abstraction from the two layers. Depending on water quality, upper aquifer water is either used for drinking water production (with pesticide removal treatment) or hydraulic barrier (with stripping treatment before disposal). Volatile organic compounds and hydrocarbons are monitored upstream of water wells. These works have allowed to restore and maintain long term use of the main capacitive aquifer of the area. DEWEY : 553.7 ISSN : 0018-6368 En ligne : http://www.shf-lhb.org/index.php?option=com_article&access=standard&Itemid=129&u [...]