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rdf:type
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Description
| - Dlouhodobé trendy koncentrací křemíku (Si) v pěti šumavských ledovcových jezerech vykazují nárůst koncentrací Si díky jeho vyššímu exportu z půd i přes pokles kyselé depozice. Koncentrace Si vzrostly o 0.95 to 1.95 umol/rok (o 36 až 51 %) během období od roku 1986 do 2004 za současného vzrůstu pH jezerní vody. Změna půdních roztoků díky poklesu kyselé depozice způsobila pokles mobility hliníku. Vzrůst koncentrací Si může souviset (1) se snížením hliníkové inhibice zvětrávání hlinitokřemičitanů, (2) s rychlejším rozpouštěním biogenního opálu a (3) s nižším srážením sekundárních minerálů (hlinitokřemičitanů) v půdách. Efekt dlouhodobě rostoucí teploty vzduchu byl pravděpodobně nízký. (cs)
- Long-term trends of silicon (Si) concentrations in five glacial lakes in the Bohemian Forest, Czech Republic show higher mobility of Si from the soil to surface water despite lowering atmospheric deposition of acids. Si increased by 0.95 to 1.95 umol/yr (36 to 51 %) during the period from 1986 to 2004 and with increasing pH A change in soil solution conditions due to a sharp decrease in acidic deposition has led to decline in aluminum mobility. The increase in Si concentrations may be related to: (1) unblocking of the inhibitory effect of dissolved Al on weathering of aluminosilicates, (2) faster dissolving of biogenic opal, and (3) lower Si precipitation as secondary aluminosilicates in soil. The effect of long-term increase in air temperature was probably minor.
- Long-term trends of silicon (Si) concentrations in five glacial lakes in the Bohemian Forest, Czech Republic show higher mobility of Si from the soil to surface water despite lowering atmospheric deposition of acids. Si increased by 0.95 to 1.95 umol/yr (36 to 51 %) during the period from 1986 to 2004 and with increasing pH A change in soil solution conditions due to a sharp decrease in acidic deposition has led to decline in aluminum mobility. The increase in Si concentrations may be related to: (1) unblocking of the inhibitory effect of dissolved Al on weathering of aluminosilicates, (2) faster dissolving of biogenic opal, and (3) lower Si precipitation as secondary aluminosilicates in soil. The effect of long-term increase in air temperature was probably minor. (en)
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Title
| - Increasing silicon concentrations in Bohemian Forest lakes
- Increasing silicon concentrations in Bohemian Forest lakes (en)
- Rostoucí koncentrace křemíku v šumavských jezerech (cs)
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skos:prefLabel
| - Increasing silicon concentrations in Bohemian Forest lakes
- Increasing silicon concentrations in Bohemian Forest lakes (en)
- Rostoucí koncentrace křemíku v šumavských jezerech (cs)
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skos:notation
| - RIV/60077387:_____/05:00031075!RIV06-AV0-60077387
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA206/03/1583), Z(AV0Z60170517), Z(MZP:N03/98:00)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60077387:_____/05:00031075
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - acidification; aluminium; silicon (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Hydrology and Earth System Sciences
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Kopáček, Jiří
- Norton, S. A.
- Veselý, J.
- Šafanda, Jan
- Majer, V.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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