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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F12%3A00381479%21RIV13-AV0-67179843
rdf:type
n4:Vysledek skos:Concept
dcterms:description
Little is known about atmospheric input of beryllium (Be) into ecosystems, despite its highly toxic behavior. For three consecutive winters (2009–2011), we measured Be concentrations in horizontal deposition (rime) and vertical deposition (snow) at 10 remote mountain-top locations in the Czech Republic, Central Europe. Beryllium was determined both in filtered waters, and in HF digests of insoluble particles. Across the sites, soluble Be concentrations in rime were 7 times higher, compared to snow (6.1 vs. 0.9 ngL 1). Rime scavenged the pollution-rich lower segments of clouds. The lowest Be concentrations were detected in the soluble fraction of snow. Across the sites, 34% of total Be deposition occurred in the form of soluble (bioavailable) Be, the rest were insoluble particles. Beryllium fluxes decreased in the order: vertical dry deposition insoluble > vertical dry deposition soluble > horizontal deposition soluble > vertical wet deposition insoluble > vertical wet deposition soluble > horizontal deposition insoluble. The average contributions of these Be forms to total deposition were 56, 21, 8, 7, 5 and 3%, respectively. Sites in the northeast were more Be-polluted than the rest of the country with sources of pollution in industrial Silesia. Little is known about atmospheric input of beryllium (Be) into ecosystems, despite its highly toxic behavior. For three consecutive winters (2009–2011), we measured Be concentrations in horizontal deposition (rime) and vertical deposition (snow) at 10 remote mountain-top locations in the Czech Republic, Central Europe. Beryllium was determined both in filtered waters, and in HF digests of insoluble particles. Across the sites, soluble Be concentrations in rime were 7 times higher, compared to snow (6.1 vs. 0.9 ngL 1). Rime scavenged the pollution-rich lower segments of clouds. The lowest Be concentrations were detected in the soluble fraction of snow. Across the sites, 34% of total Be deposition occurred in the form of soluble (bioavailable) Be, the rest were insoluble particles. Beryllium fluxes decreased in the order: vertical dry deposition insoluble > vertical dry deposition soluble > horizontal deposition soluble > vertical wet deposition insoluble > vertical wet deposition soluble > horizontal deposition insoluble. The average contributions of these Be forms to total deposition were 56, 21, 8, 7, 5 and 3%, respectively. Sites in the northeast were more Be-polluted than the rest of the country with sources of pollution in industrial Silesia.
dcterms:title
Atmospheric deposition of beryllium in Central Europe.Comparison of soluble and insoluble fractions in rime and snow across a pollution gradient Atmospheric deposition of beryllium in Central Europe.Comparison of soluble and insoluble fractions in rime and snow across a pollution gradient
skos:prefLabel
Atmospheric deposition of beryllium in Central Europe.Comparison of soluble and insoluble fractions in rime and snow across a pollution gradient Atmospheric deposition of beryllium in Central Europe.Comparison of soluble and insoluble fractions in rime and snow across a pollution gradient
skos:notation
RIV/67179843:_____/12:00381479!RIV13-AV0-67179843
n4:predkladatel
n17:ico%3A67179843
n5:aktivita
n10:P n10:I
n5:aktivity
I, P(7E10062), P(ED1.1.00/02.0073)
n5:cisloPeriodika
NOV 2012
n5:dodaniDat
n14:2013
n5:domaciTvurceVysledku
n15:7781067
n5:druhVysledku
n9:J
n5:duvernostUdaju
n16:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
124015
n5:idVysledku
RIV/67179843:_____/12:00381479
n5:jazykVysledku
n19:eng
n5:klicovaSlova
trace elements; air pollution; precipitation; bioavailability; source apportionment
n5:klicoveSlovo
n8:air%20pollution n8:source%20apportionment n8:bioavailability n8:trace%20elements n8:precipitation
n5:kodStatuVydavatele
NL - Nizozemsko
n5:kontrolniKodProRIV
[E2BFD534F461]
n5:nazevZdroje
Science of the Total Environment
n5:obor
n18:EH
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
9
n5:projekt
n7:7E10062 n7:ED1.1.00%2F02.0073
n5:rokUplatneniVysledku
n14:2012
n5:svazekPeriodika
439
n5:tvurceVysledku
Veselovský, F. Krachler, M. Bohdálková, Leona Milkova, J. Novák, M. Erbanová, L. Prechová, E. Komárek, A. Voldrichová, P.
n5:wos
000312630200004
s:issn
0048-9697
s:numberOfPages
9
n12:doi
10.1016/j.scitotenv.2012.08.089