Stream acidification trends in the Welsh uplands - a modelling study of the Llyn Brianne catchments

Whitehead, P.G.; Bird, S.; Hornung, M.; Cosby, J.; Neal, C.; Paricos, P.. 1988 Stream acidification trends in the Welsh uplands - a modelling study of the Llyn Brianne catchments. Journal of Hydrology, 101 (1-4). 191-212. https://doi.org/10.1016/0022-1694(88)90035-2

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Abstract/Summary

Historical reconstructions and predictions of streamwater acidification are presented for moorland and afforested catchments in the WelshUplands at LlynBrianne. The model magic (Model of Acidification of Groundwater in Catchments) is calibrated using data from a moorland catchment and validated by application to a forested catchment. While atmospheric deposition is shown to be the primary cause of streamacidification, conifer afforestation can enhance stream acidity. The historical trends determined by the model indicate that acidification has been present since the turn of the century and will continue unless either deposition levels are reduced significantly or other land management actions such as liming are undertaken on a major scale.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1016/0022-1694(88)90035-2
Programmes:	CEH Programmes pre-2009 publications > Other
UKCEH and CEH Sections/Science Areas:	_ Pre-2000 sections
ISSN:	0022-1694
Additional Keywords:	Llyn Brianne, Wales, streams, acidification, catchments
NORA Subject Terms:	Ecology and Environment Hydrology
Date made live:	13 Jun 2012 14:11 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/18394

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