Vliv povodní na změnu distribuce olova a kadmia vázaných na sedimenty

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12220%2F06%3A00007190" target="_blank" >RIV/60076658:12220/06:00007190 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Effects of flooding on lead and cadmium distribution in sediments from a drinking water reservoir

Popis výsledku v původním jazyce

Římov water reservoir on the river Malše is the main source of drinking water for the town of České Budějovice and for the majority of the South Bohemian region, Czech Republic. Changes in cadmium and lead contents in bottom sediments before and after anextensive flood on the river Malše in August, 2002 were therefore determined. A five-step sequential extraction procedure was used in order to obtain more detailed information about the influence of the flood on heavy metal retention. In order to determine the mobility of lead and cadmium the mobility factor (MF) for these heavy metals was calculated. The mobility factor of cadmium showed a significant decrease in the upper parts of the sediment profiles after the flood (e.g., from 59.4% to 49.1%) caused by a release of cadmium especially from the exchangeable fraction. There were no significant changes in the lead mobility factor after the flood, but a decrease of lead concentration in the exchangeable fraction was observed. Presented

Název v anglickém jazyce

Effects of flooding on lead and cadmium distribution in sediments from a drinking water reservoir

Popis výsledku anglicky

Římov water reservoir on the river Malše is the main source of drinking water for the town of České Budějovice and for the majority of the South Bohemian region, Czech Republic. Changes in cadmium and lead contents in bottom sediments before and after anextensive flood on the river Malše in August, 2002 were therefore determined. A five-step sequential extraction procedure was used in order to obtain more detailed information about the influence of the flood on heavy metal retention. In order to determine the mobility of lead and cadmium the mobility factor (MF) for these heavy metals was calculated. The mobility factor of cadmium showed a significant decrease in the upper parts of the sediment profiles after the flood (e.g., from 59.4% to 49.1%) caused by a release of cadmium especially from the exchangeable fraction. There were no significant changes in the lead mobility factor after the flood, but a decrease of lead concentration in the exchangeable fraction was observed. Presented

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DJ - Znečištění a kontrola vody

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Environmental Monitoring and Assessment

ISSN

0167-6369

e-ISSN

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Svazek periodika

118

Číslo periodika v rámci svazku

1-3

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

11

Strana od-do

113-123

Kód UT WoS článku

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EID výsledku v databázi Scopus

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