About: Sediments as a dynamic pool of phosphorus in a stratified reservoir

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The ecosystem of the small, dimictic, and hypertrophic reservoir (Jordan Reservoir, Czech Republic) was studied from March 2001 till March 2004 to evaluate rates at selected pathways in the P-cycle. The rates were inferred from measurement of P mass-balance, sedimentation of seston, and P-release from sediments. A shift between seasonal changes of inflow and outflow P concentrations caused by P accumulation in the hypolimnion and the sediments was demonstrated. An important amount of P was temporally retained at the sediment surface during the summer stratification but a part of it was released back to water during the autumnal mixing, due to pore water „flushing out” and fast organic matter decomposition. The ecosystem of the small, dimictic, and hypertrophic reservoir (Jordan Reservoir, Czech Republic) was studied from March 2001 till March 2004 to evaluate rates at selected pathways in the P-cycle. The rates were inferred from measurement of P mass-balance, sedimentation of seston, and P-release from sediments. A shift between seasonal changes of inflow and outflow P concentrations caused by P accumulation in the hypolimnion and the sediments was demonstrated. An important amount of P was temporally retained at the sediment surface during the summer stratification but a part of it was released back to water during the autumnal mixing, due to pore water „flushing out” and fast organic matter decomposition. (en) Za účelem odhadu rychlostí vybraných procesů cyklu fosforu byl v období březen 2003 až březen 2004 sledován ekosystém malé, dimiktické, hypertrofní nádrže Jordán. Rychlosti procesů byly odhadnuty z měření bilance fosforu, intensity sedimentace sestonu a rychlosti uvolňování fosforu ze sedimentů. Byl zjištěn posun sezónním průběhu koncentrací fosforu na přítoku a odtoku z nádrže způsobený dočasnou akumulací fosforu v hypolimniu nádrže a v sedimentech. V období letní stratifikace byla významná část fosforu dočasně zadržena na povrchu sedimentů ve formě sedimentovaného sestonu, později, během podzimního míchání, byla část fosforu uvolněna zpět do vodního sloupce díky „vypláchnutí” ze sedimentů nebo rychlým rozkladem organické hmoty. (cs)
Title	Sediments as a dynamic pool of phosphorus in a stratified reservoir Sediments as a dynamic pool of phosphorus in a stratified reservoir (en) Sedimenty jako dynamická zásoba fosforu ve stratifikované nádrži (cs)
skos:prefLabel	Sediments as a dynamic pool of phosphorus in a stratified reservoir Sediments as a dynamic pool of phosphorus in a stratified reservoir (en) Sedimenty jako dynamická zásoba fosforu ve stratifikované nádrži (cs)
skos:notation	RIV/60077387:_____/04:00104291!RIV/2005/AV0/A62005/N
http://linked.open.../vavai/riv/strany	;
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(IBS6017004)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Hejzlar, Josef Brzáková, Martina Borovec, Jakub
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Hydrobiologický ústav AV ČR
http://linked.open...dnocenehoVysledku	585669
http://linked.open...ai/riv/idVysledku	RIV/60077387:_____/04:00104291
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phosphorus mass-balance; phosphorus release; reservoir management (en)
http://linked.open.../riv/klicoveSlovo	phosphorus mass-balance phosphorus release reservoir management
http://linked.open...ontrolniKodProRIV	[89DFF99D9D5A]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	XXIInd Conference of Danubian Countries on the Hydrological Forecasting and Hydrological Bases of Water Management
http://linked.open...in/vavai/riv/obor	DA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Water quality control in reservoirs
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Hejzlar, Josef Borovec, Jakub Jan, J. Brzáková, Martina
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2004-08-30 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Czech Hydrometeorological Institute
https://schema.org/isbn	80-86690-19-9

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