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Statements

Subject Item
n2:RIV%2F00025798%3A_____%2F10%3A00000096%21RIV11-MZP-00025798
rdf:type
n10:Vysledek skos:Concept
dcterms:description
We present monthly As concentrations in surface runoff from 12 headwater catchments with north–south gradient of decreasing pollution in CR for a period of 1996–2008. Between 1996 and 2003, max. As concentrations in runoff did not change, and were less 1 ppb in the rural south and less 2 ppb in the industrial north. During the subsequent two years max. As concentrations in runoff increased, reaching 60% of the drinking water limit (10 ppb). Starting in 2006, max As concentrations returned to lower values at most sites. The pH of runoff has not changed since 1996. Elevated As conc. in runoff in 2004–2005 may reflect climate change through changing hydrological conditions at some sites. Dry conditions may result in elevated production of DOC and S oxidation. Subsequent wet conditions may be accompanied by acidification leading to faster dissolution of As-bearing sulfides, Fe-oxyhydroxides, and organic matter. Anaerobic domains exist in well-aerated upland soils for hours following precipitation events. We present monthly As concentrations in surface runoff from 12 headwater catchments with north–south gradient of decreasing pollution in CR for a period of 1996–2008. Between 1996 and 2003, max. As concentrations in runoff did not change, and were less 1 ppb in the rural south and less 2 ppb in the industrial north. During the subsequent two years max. As concentrations in runoff increased, reaching 60% of the drinking water limit (10 ppb). Starting in 2006, max As concentrations returned to lower values at most sites. The pH of runoff has not changed since 1996. Elevated As conc. in runoff in 2004–2005 may reflect climate change through changing hydrological conditions at some sites. Dry conditions may result in elevated production of DOC and S oxidation. Subsequent wet conditions may be accompanied by acidification leading to faster dissolution of As-bearing sulfides, Fe-oxyhydroxides, and organic matter. Anaerobic domains exist in well-aerated upland soils for hours following precipitation events.
dcterms:title
Increasing arsenic concentrations in runoff from 12 small forested catchments (Czech Republic, Central Europe): Patterns and controls Increasing arsenic concentrations in runoff from 12 small forested catchments (Czech Republic, Central Europe): Patterns and controls
skos:prefLabel
Increasing arsenic concentrations in runoff from 12 small forested catchments (Czech Republic, Central Europe): Patterns and controls Increasing arsenic concentrations in runoff from 12 small forested catchments (Czech Republic, Central Europe): Patterns and controls
skos:notation
RIV/00025798:_____/10:00000096!RIV11-MZP-00025798
n3:aktivita
n4:R
n3:aktivity
R
n3:cisloPeriodika
17
n3:dodaniDat
n13:2011
n3:domaciTvurceVysledku
n6:4340051 n6:6280994 n6:7480024 n6:1911686 n6:3685322 n6:2072637 n6:9847464
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
263373
n3:idVysledku
RIV/00025798:_____/10:00000096
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Arsenic,Catchment,Runoff,Acidification reversal,Climate change
n3:klicoveSlovo
n9:Arsenic n9:Runoff n9:Climate%20change n9:Catchment n9:Acidification%20reversal
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[9368689A967F]
n3:nazevZdroje
Science of the Total Environment
n3:obor
n12:DJ
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
8
n3:rokUplatneniVysledku
n13:2010
n3:svazekPeriodika
408
n3:tvurceVysledku
Veselovský, František Novák, Martin Erbanová, Lucie Fottová, Daniela Voldřichová, Petra Bláha, Vladimír Krachler, Michael Přechová, Eva
n3:wos
000279985500015
s:issn
0048-9697
s:numberOfPages
9