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Critical loads of nitrogen and their exceedance in UK freshwaters

Harriman, K.; Allott, T.E.H.; Battarbee, R.W.; Curtis, C.; Jenkins, A.; Hall, J.R.. 1995 Critical loads of nitrogen and their exceedance in UK freshwaters. In: Hornung, M.; Sutton, M.A.; Wilson, R.B., (eds.) Mapping and modelling of critical loads for nitrogen - a workshop report. Edinburgh, NERC Institute of Terrestrial Ecology, 39-49.

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Abstract/Summary

In June 1994 the United Kingdom government signed the European sulphur protocol which committed them to a 70% reduction in SO2 emissions by the year 2005 and 80% by 2010, based on 1980 levels. This was the first instance of international legislation being formulated using the critical load concept. Notwithstanding the anticipated benefits to the environment of such reductions it was also recognised that such improvements could be diminished unless a similar approach was used to address the problem of increasing nitrogen emissions. The Freshwater Sub-group of the UK Critical Loads Advisory Group (CLAG) has responsibility for evaluating available techniques for calculating critical loads for nitrogen and for establishing a scientific programme to address key issues and gaps in our knowledge of nitrogen dynamics. This paper summarises the preliminary findings of the Freshwater Group with respect to the nitrogen status and critical loads of UK freshwater.

Item Type: Publication - Book Section
Programmes: CEH Programmes pre-2009 publications > Other
CEH Sections: _ Pre-2000 sections
ISBN: 1870393244
Additional Information. Not used in RCUK Gateway to Research.: Scanned legacy/working document
Additional Keywords: Nitrogen, Deposition, Freshwater, Sulphur
NORA Subject Terms: Hydrology
Chemistry
Atmospheric Sciences
Date made live: 29 May 2009 07:45
URI: http://nora.nerc.ac.uk/id/eprint/7284

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