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Statements

Subject Item
n2:RIV%2F67179843%3A_____%2F14%3A00442650%21RIV15-AV0-67179843
rdf:type
skos:Concept n15:Vysledek
dcterms:description
Anenský Potok is a small forested catchment (27 ha), operated as an integral part of the Košetice Observatory, where monthly measurements of elements input (bulk precipitation and throughfall deposition) and output (runoff chemistry) have been monitored since 1990. The catchment is a part of the International Cooperative Programme on Integrated Monitoring of Air Pollution Effects on Ecosystems and of a national small catchment monitoring network GEOMON. The main research objective is to examine the temporal changes in input-output budgets of major elements as a function of air pollution, climate and management practices. Since 1994, reduction of dust, SO2, NOx and NH3 emissions in the Czech Republic effectively induced changes in precipitation chemistry. The most significant changes in Anenský Potok were: i) reduction of S total deposition by 68%, ii) increase of throughfall pH from 4 to 5.7 and iii) relatively stable inorganic nitrogen (N) input into the forest ecosystem. Contrary to the general trends of streamwater chemistry across GEOMON network (decline of SO4, Al concentrations and increase of pH), Anenský potok stream water chemistry did not change significantly. This was due to the low water transport and relatively high buffering capacity of catchment soils. However, NO3 concentration significantly decreased, thus better immobilization of inorganic N has been observed recently – similar to the majority of the GEOMON catchments. Anenský Potok is a small forested catchment (27 ha), operated as an integral part of the Košetice Observatory, where monthly measurements of elements input (bulk precipitation and throughfall deposition) and output (runoff chemistry) have been monitored since 1990. The catchment is a part of the International Cooperative Programme on Integrated Monitoring of Air Pollution Effects on Ecosystems and of a national small catchment monitoring network GEOMON. The main research objective is to examine the temporal changes in input-output budgets of major elements as a function of air pollution, climate and management practices. Since 1994, reduction of dust, SO2, NOx and NH3 emissions in the Czech Republic effectively induced changes in precipitation chemistry. The most significant changes in Anenský Potok were: i) reduction of S total deposition by 68%, ii) increase of throughfall pH from 4 to 5.7 and iii) relatively stable inorganic nitrogen (N) input into the forest ecosystem. Contrary to the general trends of streamwater chemistry across GEOMON network (decline of SO4, Al concentrations and increase of pH), Anenský potok stream water chemistry did not change significantly. This was due to the low water transport and relatively high buffering capacity of catchment soils. However, NO3 concentration significantly decreased, thus better immobilization of inorganic N has been observed recently – similar to the majority of the GEOMON catchments.
dcterms:title
Long-term hydrochemical monitoring in the Anensky potok catchment as a part of the geomon network Long-term hydrochemical monitoring in the Anensky potok catchment as a part of the geomon network
skos:prefLabel
Long-term hydrochemical monitoring in the Anensky potok catchment as a part of the geomon network Long-term hydrochemical monitoring in the Anensky potok catchment as a part of the geomon network
skos:notation
RIV/67179843:_____/14:00442650!RIV15-AV0-67179843
n4:aktivita
n12:I
n4:aktivity
I
n4:dodaniDat
n13:2015
n4:domaciTvurceVysledku
n9:8795487 n9:2072637 n9:9378820 n9:8359350
n4:druhVysledku
n8:C
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
26592
n4:idVysledku
RIV/67179843:_____/14:00442650
n4:jazykVysledku
n18:eng
n4:klicovaSlova
sulfur; nitrogen; catchment; budget; acidification; recovery; soil; C/N
n4:klicoveSlovo
n7:budget n7:soil n7:nitrogen n7:catchment n7:recovery n7:C%2FN n7:acidification n7:sulfur
n4:kontrolniKodProRIV
[E3C11051EA46]
n4:mistoVydani
Prague
n4:nazevZdroje
Košetice Observatory - 25 Years
n4:obor
n5:EH
n4:pocetDomacichTvurcuVysledku
4
n4:pocetStranKnihy
91
n4:pocetTvurcuVysledku
6
n4:rokUplatneniVysledku
n13:2014
n4:tvurceVysledku
Váňa, M. Krám, Pavel Štěpánová, M. Oulehle, Filip Hruška, Jakub Fottová, Daniela
s:numberOfPages
7
n10:hasPublisher
Czech Hydrometeorological Institute
n11:isbn
978-80-87577-40-0