About: Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification

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About: Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Lesni potok was artificially acidified with HCl for 4 hours to assess the role of stream substrate in acid-neutralization and recovery. The pH was lowered from 4.7 to 3.2. Desorption of Ca and Mg, and desorption or solution of Al dominated acid-neutralization; Al mobilization dominated later. The stream substrate released 4,542 meq Ca, 1,184 meq Mg, and 2,329 meq Al over a 45 m long and 1 m wide stream segment. Smaller amounts of Be, Cd, Fe, and Mn were released. Adsorption of SO42- and esorption of F- occurred during the acidification phase of the experiment. The exchange reactions were rapidly reversible for Ca, Mg, and SO42- but not symmetric as the substrate resorbed 1,083, 790 and 0 meq Ca, Mg, and Al, respectively, in a 4-hour Lesni potok was artificially acidified with HCl for 4 hours to assess the role of stream substrate in acid-neutralization and recovery. The pH was lowered from 4.7 to 3.2. Desorption of Ca and Mg, and desorption or solution of Al dominated acid-neutralization; Al mobilization dominated later. The stream substrate released 4,542 meq Ca, 1,184 meq Mg, and 2,329 meq Al over a 45 m long and 1 m wide stream segment. Smaller amounts of Be, Cd, Fe, and Mn were released. Adsorption of SO42- and esorption of F- occurred during the acidification phase of the experiment. The exchange reactions were rapidly reversible for Ca, Mg, and SO42- but not symmetric as the substrate resorbed 1,083, 790 and 0 meq Ca, Mg, and Al, respectively, in a 4-hour (en)
Title	Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification (en)
skos:prefLabel	Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification Chemical response of a small stream in a forested catchment (central Czech Republic) to a short-term in-stream acidification (en)
skos:notation	RIV/00025798:_____/03:00000172!RIV/2004/GA0/N03004/N
http://linked.open.../vavai/riv/strany	411 - 423
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA526/03/0058)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Navrátil, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká geologická služba
http://linked.open...dnocenehoVysledku	601054
http://linked.open...ai/riv/idVysledku	RIV/00025798:_____/03:00000172
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Al, Ca, Mg, base cations, acid-neutralization, stream acidification, recovery, stream sediment, experiment, modeling, adsorption, desorption (en)
http://linked.open.../riv/klicoveSlovo	recovery Al Ca stream sediment adsorption experiment modeling base cations Mg desorption stream acidification acid-neutralization
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[DBC0B92DFD36]
http://linked.open...i/riv/nazevZdroje	Hydrology and Earth System Sciences
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	The influence of tree species on long-term forest soil acidification - analysis of present status and prediction of the future
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Navrátil, Tomáš
issn	1027-5606
number of pages	13 (xsd:int)

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