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dc.contributor.authorSkjelkvåle, B.L.nb_NO
dc.contributor.authorUlstein, M.J.nb_NO
dc.contributor.otherSkjelkvåle, B.L. - Project managernb_NO
dc.coverage.spatialEuropa and North Americanb_NO
dc.date.accessioned2014-08-01T10:42:29Z
dc.date.available2014-08-01T10:42:29Z
dc.date.issued1998-07nb_NO
dc.identifier3879nb_NO
dc.identifier.isbn82-577-3463-2nb_NO
dc.identifier.issn1894-7948nb_NO
dc.identifier.urihttp://hdl.handle.net/11250/209972
dc.description.abstractThe International Cooperative Programme on Assessment and Monitoring of Acidification of Rivers and Lakes (ICP-Waters) is designed to assess the degree and geographical extent of acidification of surface waters. During the last ten years international emission reduction measures in Europe and North America have resulted in a decrease in atmospheric sulphur depositon of up to 50%. Nitrogen deposition has stayed almost constant. Results from The Nine Year Report (Lükewille et al. 1997) show that trends in water chemistry indicate that sulphate concentrations are decreasing at almost all ICP-Waters sites, and in almost all cases the decreases in the 1990s are larger than in the 1980s. This is partly also reflected in a recovery of the invertebrate fauna at many sites. Decreasing sulphate concentrations emphasise the importance of nitrate as the second important acidifying anion.nb_NO
dc.description.sponsorshipThe Norwegian Pollution Control Authoritynb_NO
dc.publisherNorsk institutt for vannforskningnb_NO
dc.relation.ispartofseriesNIVA-rapport;3879nb_NO
dc.relation.ispartofseriesICP Waters report;46/1998nb_NO
dc.rightsNavngivelse-IkkeKommersiell-DelPåSammeVilkår 3.0 Norgenb_NO
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/no/nb_NO
dc.subjectsur nedbørnb_NO
dc.titleSummary of The Nine Year Report from the ICP-Waters Programme (ICP Waters report 46/1998)nb_NO
dc.typeResearch reportnb_NO
dc.rights.holderNorsk institutt for vannforskning/Norwegian institute for water researchnb_NO
dc.subject.nsiVDP::Matematikk og naturvitenskap: 400nb_NO
dc.source.pagenumber22nb_NO
dc.subject.keywordoverflatevannnb_NO
dc.subject.keywordforsuringnb_NO
dc.subject.keywordlangtids trendernb_NO
dc.subject.keywordovervåkingnb_NO
dc.subject.keywordsurfacenb_NO
dc.subject.keywordwaternb_NO
dc.subject.keywordacidificationnb_NO
dc.subject.keywordlong-term trendsnb_NO
dc.subject.keywordmonitoringnb_NO
dc.relation.projectO-86001nb_NO


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