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Statements

Subject Item
n2:RIV%2F67985831%3A_____%2F11%3A00362737%21RIV12-AV0-67985831
rdf:type
n17:Vysledek skos:Concept
dcterms:description
The Bohemian Switzerland National Park with its characteristic sandstone landscape was influenced by the long term air pollution and acidic deposition within the area known as Black Triangle. One of the significant negative effects of intensive acidic deposition on sandstone outcrops has been identified as chemical weathering, i.e. process when porous sandstone rock is except of chemical influence attacked also by force of crystallization of growing salts crystals. Current (2002 to 2009) bulk deposition fluxes of SO42- determined at three sites indicate decline from 23 to 16 kg.ha-1.yr-1. Infiltration of bulk precipitation solutes into sandstone mediates weathering processes. Under usual conditions percolation water evaporates at the sandstone surface producing salt efflorescences - the typical example is Pravčická brána Arch locality. The average pH of the dripping sandstone percolates was 3.76. Concentration of SO42- and Al in sandstone percolates reached up to 46 and 10 mg.L-1. The Bohemian Switzerland National Park with its characteristic sandstone landscape was influenced by the long term air pollution and acidic deposition within the area known as Black Triangle. One of the significant negative effects of intensive acidic deposition on sandstone outcrops has been identified as chemical weathering, i.e. process when porous sandstone rock is except of chemical influence attacked also by force of crystallization of growing salts crystals. Current (2002 to 2009) bulk deposition fluxes of SO42- determined at three sites indicate decline from 23 to 16 kg.ha-1.yr-1. Infiltration of bulk precipitation solutes into sandstone mediates weathering processes. Under usual conditions percolation water evaporates at the sandstone surface producing salt efflorescences - the typical example is Pravčická brána Arch locality. The average pH of the dripping sandstone percolates was 3.76. Concentration of SO42- and Al in sandstone percolates reached up to 46 and 10 mg.L-1.
dcterms:title
Recent Atmospheric Deposition and its Effects on Sandstone Cliffs in Bohemian Switzerland National Park, Czech Republic Recent Atmospheric Deposition and its Effects on Sandstone Cliffs in Bohemian Switzerland National Park, Czech Republic
skos:prefLabel
Recent Atmospheric Deposition and its Effects on Sandstone Cliffs in Bohemian Switzerland National Park, Czech Republic Recent Atmospheric Deposition and its Effects on Sandstone Cliffs in Bohemian Switzerland National Park, Czech Republic
skos:notation
RIV/67985831:_____/11:00362737!RIV12-AV0-67985831
n17:predkladatel
n18:ico%3A67985831
n3:aktivita
n19:Z
n3:aktivity
Z(AV0Z30130516)
n3:cisloPeriodika
1/4
n3:dodaniDat
n6:2012
n3:domaciTvurceVysledku
n11:8815968 n11:1464167
n3:druhVysledku
n12:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
225896
n3:idVysledku
RIV/67985831:_____/11:00362737
n3:jazykVysledku
n4:eng
n3:klicovaSlova
acid deposition; sandstone percolates; chemical weathering; salt efflorescence; Black Triangle; aluminum; sulfates
n3:klicoveSlovo
n5:Black%20Triangle n5:chemical%20weathering n5:acid%20deposition n5:aluminum n5:sulfates n5:salt%20efflorescence n5:sandstone%20percolates
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[ECA877634E80]
n3:nazevZdroje
Water, Air and Soil Pollution
n3:obor
n7:DD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n6:2011
n3:svazekPeriodika
220
n3:tvurceVysledku
Navrátil, Tomáš Vařilová, Z. Dobešová, Irena
n3:wos
000293783700012
n3:zamer
n16:AV0Z30130516
s:issn
0049-6979
s:numberOfPages
14
n8:doi
10.1007/s11270-010-0739-8