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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10144016%21RIV14-MSM-11310___
rdf:type
n6:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1016/j.scitotenv.2013.02.085
dcterms:description
Enrichment factors for Cr, Cu, Ni, Pb and Zn in floodplain fines from the middle and the lower courses of the Jizera River (a tributary of the Elbe River in the Czech Republic) were evaluated to compare the original contamination profiles with post-depositional and pedogenic changes. Background concentrations of heavy metals were assessed from uncontaminated sediments (soils) in the study area that belong to the same sedimentary facies and were not affected by reductimorphic processes. Facies assignment is accessible by geophysical imaging combined with core analysis. Sediments from point bars and channel banks in direct contact with riverine water are more heavily polluted than overbank fines from the distal floodplain. The point pollution source, a century-old battery and car production facility in the city of Mladá Boleslav, has certainly been responsible for Ni and Cr pollution, contributed substantially to Cu and Pb pollution, and had a less significant effect on the Zn enrichment factor. Although the use of soil enrichment factors has been criticized, these factors help to manage hydraulic sorting and recognition of post-depositional migration in soil profiles of floodplain sediments. When moderate pollution (enrichment factor about 1.5 for Cu, Pb and Zn) is found, background concentrations must be carefully evaluated and natural enrichment must be taken into account. Studies of such small enrichment factors contribute to the understanding of the dispersal and fates of pollutants in floodplains. Enrichment factors for Cr, Cu, Ni, Pb and Zn in floodplain fines from the middle and the lower courses of the Jizera River (a tributary of the Elbe River in the Czech Republic) were evaluated to compare the original contamination profiles with post-depositional and pedogenic changes. Background concentrations of heavy metals were assessed from uncontaminated sediments (soils) in the study area that belong to the same sedimentary facies and were not affected by reductimorphic processes. Facies assignment is accessible by geophysical imaging combined with core analysis. Sediments from point bars and channel banks in direct contact with riverine water are more heavily polluted than overbank fines from the distal floodplain. The point pollution source, a century-old battery and car production facility in the city of Mladá Boleslav, has certainly been responsible for Ni and Cr pollution, contributed substantially to Cu and Pb pollution, and had a less significant effect on the Zn enrichment factor. Although the use of soil enrichment factors has been criticized, these factors help to manage hydraulic sorting and recognition of post-depositional migration in soil profiles of floodplain sediments. When moderate pollution (enrichment factor about 1.5 for Cu, Pb and Zn) is found, background concentrations must be carefully evaluated and natural enrichment must be taken into account. Studies of such small enrichment factors contribute to the understanding of the dispersal and fates of pollutants in floodplains.
dcterms:title
Robust assessment of moderate heavy metal contamination levels in floodplain sediments: A case study on the Jizera River, Czech Republic Robust assessment of moderate heavy metal contamination levels in floodplain sediments: A case study on the Jizera River, Czech Republic
skos:prefLabel
Robust assessment of moderate heavy metal contamination levels in floodplain sediments: A case study on the Jizera River, Czech Republic Robust assessment of moderate heavy metal contamination levels in floodplain sediments: A case study on the Jizera River, Czech Republic
skos:notation
RIV/00216208:11310/13:10144016!RIV14-MSM-11310___
n6:predkladatel
n10:orjk%3A11310
n4:aktivita
n20:S n20:P n20:I
n4:aktivity
I, P(GAP210/12/0573), S
n4:cisloPeriodika
MAY
n4:dodaniDat
n18:2014
n4:domaciTvurceVysledku
n14:6083382
n4:druhVysledku
n19:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
103154
n4:idVysledku
RIV/00216208:11310/13:10144016
n4:jazykVysledku
n5:eng
n4:klicovaSlova
Pollution; Heavy metals; Fluvial sediments; Enrichment factor; Background
n4:klicoveSlovo
n12:Fluvial%20sediments n12:Heavy%20metals n12:Pollution n12:Background n12:Enrichment%20factor
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[CB840BA532A4]
n4:nazevZdroje
Science of the Total Environment
n4:obor
n13:DB
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:projekt
n21:GAP210%2F12%2F0573
n4:rokUplatneniVysledku
n18:2013
n4:svazekPeriodika
452
n4:tvurceVysledku
Matys Grygar, Tomáš Vadinová, N. Nováková, Tereza Bábek, O. Elznicová, J.
n4:wos
000318530600025
s:issn
0048-9697
s:numberOfPages
13
n9:doi
10.1016/j.scitotenv.2013.02.085
n7:organizacniJednotka
11310