Assessment of the deposition of polluted sediments transferred by a catastrophic flood and related changes in groundwater quality

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F09%3A00160851" target="_blank" >RIV/68407700:21110/09:00160851 - isvavai.cz</a>
Alternative codes found
RIV/00020711:_____/09:00002856
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Assessment of the deposition of polluted sediments transferred by a catastrophic flood and related changes in groundwater quality
Original language description
In the second half of the 20th century, industry and agriculture in the mountainous part of the Czech reaches of the Elbe caused much water pollution and a high suspended load. The Les Královstvi reservoir was built in 1914 to prevent floods endangeringthe cities downstream. Approximately 20 % of its volume has now been filled with polluted sediments. These could potentially be transported downstream and settled in the flood plain, and could thus also influence the quality of the ground water. The authors carried out a radar investigation to find where the sediments were located and to compute the amounts of sediments. Samples were taken for quality analyses. The re-suspension conditions in the reservoir during a catastrophic 500-year flood were computed using hydraulic methods, and the upgraded FAST 2D dynamic flow model was used to compute a map of the sediments settled in the flood plain. The movement of the pollution below the ground was then described using the MT3DMS model.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DA - Hydrology and limnology
OECD FORD branch
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Project
<a href="/en/project/SP%2F2E7%2F229%2F07" target="_blank" >SP/2E7/229/07: Anthropogenic pressures on the status of soils, water resources and water ecosystems in the Czech part of the international basin of the Elbe River</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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