About: Predicting nitrogen and acidity effects on long-term dynamics of dissolved organic matter

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

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S026974911300448X
Description	Increases in dissolved organic carbon (DOC) fluxes may relate to changes in sulphur and nitrogen pollution. We integrated existing models of vegetation growth and soil organic matter turnover, acidebase dynamics, and organic matter mobility, to form the 'MADOC’ model. After calibrating parameters governing interactions between pH and DOC dissolution using control treatments on two field experiments, MADOC reproduced responses of pH and DOC to additions of acidifying and alkalising solutions. Long-term trends in a range of acid waters were also reproduced. The model suggests that the sustained nature of observed DOC increases can best be explained by a continuously replenishing potentiallydissolved carbon pool, rather than dissolution of a large accumulated store. The simulations informed the development of hypotheses that: DOC increase is related to plant productivity increase as well as to pH change; DOC increases due to nitrogen pollution will become evident, and be sustained, after soil pH has stabilised. Increases in dissolved organic carbon (DOC) fluxes may relate to changes in sulphur and nitrogen pollution. We integrated existing models of vegetation growth and soil organic matter turnover, acidebase dynamics, and organic matter mobility, to form the 'MADOC’ model. After calibrating parameters governing interactions between pH and DOC dissolution using control treatments on two field experiments, MADOC reproduced responses of pH and DOC to additions of acidifying and alkalising solutions. Long-term trends in a range of acid waters were also reproduced. The model suggests that the sustained nature of observed DOC increases can best be explained by a continuously replenishing potentiallydissolved carbon pool, rather than dissolution of a large accumulated store. The simulations informed the development of hypotheses that: DOC increase is related to plant productivity increase as well as to pH change; DOC increases due to nitrogen pollution will become evident, and be sustained, after soil pH has stabilised. (en)
Title	Predicting nitrogen and acidity effects on long-term dynamics of dissolved organic matter Predicting nitrogen and acidity effects on long-term dynamics of dissolved organic matter (en)
skos:prefLabel	Predicting nitrogen and acidity effects on long-term dynamics of dissolved organic matter Predicting nitrogen and acidity effects on long-term dynamics of dissolved organic matter (en)
skos:notation	RIV/00025798:_____/14:00000021!RIV15-MSM-00025798
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...iv/cisloPeriodika	January
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Oulehle, Filip
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	38735
http://linked.open...ai/riv/idVysledku	RIV/00025798:_____/14:00000021
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	DOC, Model, Carbon, Soil, Recovery, Acidification, pH (en)
http://linked.open.../riv/klicoveSlovo	pH Acidification Carbon DOC Model Recovery Soil
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[D28A3A9816B4]
http://linked.open...i/riv/nazevZdroje	Environmental Pollution
http://linked.open...in/vavai/riv/obor	DF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	184
http://linked.open...iv/tvurceVysledku	Oulehle, Filip Posch, Maximilian Burden, Annette Cooper, David Evans, Christopher Hall, Jane Jones, Timothy Rowe, Edward Tipping, Edward
http://linked.open...ain/vavai/riv/wos	000329419200033
issn	0269-7491
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.envpol.2013.08.023

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