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Predicting the effect of land use on stream water quality in the UK

Heathwaite, A. Louise and Burt, T. P. (1991) Predicting the effect of land use on stream water quality in the UK. In: Sediment and Stream Water Quality in a Changing Environment. Institute of Hydrology, IAHS Press Wallingford, Wallingford, pp. 209-218. ISBN 0947571086

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Abstract

The effect of land use change at both long (90 year) and short (single water year) time scales are discussed. Current annual sediment and solute export from this area of arable and grassland farming in SW Devon is of the order: 61 for NH4-N, 2821 for N03-N, 21 for P and 14401 for suspended sediment. Sediment cores from the lake receiving these catchment inputs provides long-term evidence for an increase in erosion and nutrient export since the 1950s. A significant increase in stream NO3" load is also recorded over the past 30 years. As a result of catchment inputs, the lake is now hypertrophic. Models currently used to predict the effect of land use change on stream water quality are limited because they fail to account for the effect of hillslope hydrological pathways and the physical and biochemical modification of the potential nutrient and sediment load.

Item Type: Contribution in Book/Report/Proceedings
Additional Information: Predicting the effect of land use on stream water quality in the UK 1 cites: http://scholar.google.com/scholar?num=100&hl=en&lr=&cites=6567811306237543837
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 49827
Deposited By: ep_importer_pure
Deposited On: 19 Sep 2011 16:58
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 00:39
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/49827

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