Critical limits for surface water acidification in Norwegian critical loads calculation and Water Framework Directive classification

GSTDTAP > 气候变化

	Critical limits for surface water acidification in Norwegian critical loads calculation and Water Framework Directive classification
	Austnes, Kari; Lund, Espen
	2014
出版年	2014
语种	英语
国家	挪威
出版者	Norsk institutt for vannforskning
领域	气候变化
英文摘要	The objective of this study was to compare the critical limits for surface water acidification used in the critical loads calculation under the UNECE Convention on Long-range Transboundary Air Pollution and the EU Water Framework Directive (WFD) classification in Norway. The critical limits to be compared were the ANClimit,oaa,var from the critical loads calculation and the ANC good-moderate boundary values from the WFD classification. They are not directly comparable, but were compared by using them to calculate critical loads. ANC good-moderate boundary values from the first WFD classification manual gave unrealistic results, showing that these boundary values were too high. Critical loads based on the ANClimit,oaa,var from the critical loads work and the ANC good-moderate boundary values from the second WFD classification manual gave fairly harmonised results. Thus, the requirements set by the two management systems are similar. However, the WFD requirements are somewhat less strict overall, and especially for regions with naturally low buffering capacity or high TOC concentration. Splitting the upper TOC category is recommended. Further harmonisation of the critical limits is possible, but the WFD concept of discrete boundary values sets limitations to complete harmonisation. Updating the ANClimit,oaa,var based on changes in TOC concentration could be considered.##Det er to typer politiske reguleringer som brukes i forvaltningen knyttet til forsuring i ferskvann i Norge: UNECEs konvensjon for langtransporterte luftforurensninger (LRTAP) og EUs rammedirektiv for vann (Vannforskriften). Begge bruker grenseverdier for å definere de kjemiske forholdene som er nødvendige for å oppnå ønskelige biologiske forhold. Formålet med dette arbeidet var å sammenligne grenseverdiene brukt i LRTAP-konvensjonen og i implementeringen av vannforskriften i Norge, siden det er viktig at det settes de samme kravene på tvers av forvaltningssystemer. ...
英文关键词	VDP::Matematikk og naturvitenskap: 400 VDP::Mathematics and natural scienses: 400 Forsuring / Acidification Grenseverdier / Critical limits Tålegrenser / Critical loads Vannforskriften / Water Framework Directive
URL	查看原文
来源平台	Center for International Climate and Environmental Research-Oslo (CICERO)
文献类型	科技报告
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/1913
专题	气候变化
推荐引用方式 GB/T 7714	Austnes, Kari,Lund, Espen. Critical limits for surface water acidification in Norwegian critical loads calculation and Water Framework Directive classification:Norsk institutt for vannforskning,2014.