| Autor: |
Véronique Maleval, Frédéric Pitois |
| Jazyk: |
English<br />French |
| Rok vydání: |
2017 |
| Předmět: |
|
| Zdroj: |
Physio-Géo, Vol 11, Pp 197-227 (2017) |
| Druh dokumentu: |
article |
| ISSN: |
1958-573X |
| DOI: |
10.4000/physio-geo.5544 |
| Popis: |
Lake Saint Germain was created near Saint-Germain-de-Confolens (Charente, France) for drinking water production in 1972. Since then, various short-term studies have shown water quality to degrade, and sedimentation to gradually fill the lake. The lake appears to have lost 42 % of its initial water capacity due to present mean sedimentation rates nearing 8000 m3.year-1. A sedimentary balance shows that this phenomenon can be attributed to watershed allochtonous particulate inflow for 87 %. Sediment fluxes and their lacustrine accumulation act in turn as in-lake nutrient sources accelerating the eutrophication process. As a conclusion for this study, some solutions are proposed to improve drinking water production sustainability. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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