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Overskridelser av tålegrenser for forsuring og nitrogen for Norge - oppdaering med perioden 2002-2006

Authors: Larssen, T.; Lund, E.; Høgåsen, T.;

Overskridelser av tålegrenser for forsuring og nitrogen for Norge - oppdaering med perioden 2002-2006

Abstract

Rapporten viser overskridelser av tålegrenser for forsuring av vann og jord, samt overgjødslingseffekter på vegetasjon, med avsetningsverdier for perioden 2002–2006. Disse avsetningsverdiene gir noe reduksjon i areal med overskridelse av tålegrenser for vann siden forrige periode, ved bruk av den mest vanlige modellen og inkludering av organiske syrer (SSWCoaa): 10 % av Norges areal er overskredet (12 % i forrige periode). Bruk av FAB-modellen, som forutsetter full nitrogenmetning og dermed et mye større forsuringsbidrag fra nitrogen, gir en overskridelse på 18 % av Norges areal. Dette er også en liten reduksjon siden forrige periode (20 %). Overskredet areal for overgjødslingseffekter på vegetasjon fra nitrogen viser en liten økning fra de to foregående periodene: 14 % av Norges areal er overskredet. Økningene i overskridelser fra forrige periode skyldes noe økt avsetning og en viss endring i avsetningsmønsteret for nitrogen i perioden.

Statens Forurensningstilsyn,

Årsliste 2008

Country
Norway
Related Organizations
Keywords

overskridelser, vegetation, tålegrenser, miljøgifter og forsuring, exceedances, surface water, vegetasjon, overflatevann, VDP::Matematikk og naturvitenskap: 400, crtical loads

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green