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| Content Provider | EDP Sciences |
|---|---|
| Author | F. Barrez N. Domange |
| Abstract | Les objectifs de reconquête de la qualité de la ressource en eau de la directive cadre sur l’eau ainsi que la loi de programmation du 3 août 2009 pour la mise en oeuvre des conclusions du Grenelle de l’environnement prévoient d’assurer, pour respecter l’échéance de 2012, la protection de l’aire d’alimentation de 500 captages (AAC) parmi les plus menacés par les pollutions diffuses (captages dits « Grenelle »).Afin de répondre à ces enjeux, les ministères en charge de l’Écologie et de l’Agriculture, l’Onema et les agences de l’eau travaillent avec leurs partenaires de la recherche à la mise à disposition d’outils méthodologiques qui seront utilisés pour proposer des mesures pertinentes au regard de l’objectif de restauration de la qualité de l’eau visé. Un groupe technique (GT) sur la protection des captages visà-vis des pollutions diffuses a ainsi été créé début 2010 sous l’impulsion de l’Onema. L’objectif de ce groupe est d’identifier les lacunes et les actions potentielles de recherche et développement (R&D) à mener pour améliorer l’élaboration des programmes d’action en intégrant les aspects techniques et socioéconomiques.Un inventaire des études de R&D autour de cette thématique a donc été entrepris. Par ailleurs, de nouvelles actions de recherche sont lancées. Le Bureau de recherches géologiques et minières (BRGM), qui a développé dès 2007 un guide méthodologique pour la délimitation et la cartographie de la vulnérabilité des AAC, effectue un retour d’expérience et une mise à jour de ce guide, ainsi qu’une étude sur l’analyse de l’efficacité des plans d’actions en matière de qualité de l’eau sur des AAC. En parallèle, l’Irstea conduit une étude équivalente au BRGM sur la cartographie de la vulnérabilité des AAC où les transferts en surface sont majoritaires. De plus, une action commune Irstea/BRGM est en cours pour développer une méthodologie de choix d’actions pertinentes en fonction des typologies de transfert. L’INRA est chargé de réaliser une typologie des AAC Grenelle (état de pollution de l’eau, agriculture pratiquée, contexte socio-économique local…) et de développer une étude approfondie des actions mises en place sur quelques AAC. Compte tenu des échéances relativement courtes pour les captages Grenelle, les travaux réalisés serviront aussi aux autres captages sensibles aux pollutions diffuses ainsi qu’à l’amélioration des plans d’action déjà établis ou futurs. |
| Ending Page | 53 |
| Starting Page | 43 |
| Page Count | 11 |
| File Format | HTM / HTML PDF |
| ISSN | 02997258 |
| Alternate Webpage(s) | https://tsm.astee.org/articles/tsm/abs/2012/12/tsm201212p43/tsm201212p43.html |
| Issue Number | 12 |
| Journal | Techniques Sciences Méthodes |
| DOI | 10.1051/tsm/201212043 |
| Language | French |
| Publisher | ASTEE |
| Publisher Date | 2012-01-01 |
| Access Restriction | Subscribed |
| Rights Holder | © ASTEE 2012 |
| Subject Keyword | protection des aires d’alimentation de captages pollutions diffuses recherche et développement catchment protection / drinking water production / non-point source pollutions / research and development |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ocean Engineering Fluid Flow and Transfer Processes Water Science and Technology Agricultural and Biological Sciences |
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