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Assessing the susceptibility of two UK estuaries to nutrient enrichment

Kadiri, Margaret Osikhofe, Bockelmann-Evans, Bettina Nicole and Rauen, William Bonino 2014. Assessing the susceptibility of two UK estuaries to nutrient enrichment. Continental Shelf Research 88 , pp. 151-160. 10.1016/j.csr.2014.08.002

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Abstract

The susceptibility of two UK estuaries, the Severn and Solva Estuaries to the risks and impacts of nutrient enrichment was investigated in this study by examining nutrients, dissolved oxygen (DO) and turbidity concentrations in the estuaries and applying a risk assessment model based on the UK׳s Comprehensive Studies Task Team (CSTT) modelling approach. Both estuaries were found to be nutrient enriched. However, there was no evidence of oxygen depletion in the Severn and algal blooms were not observed due to high turbidity, strong tidal currents and tidally induced vertical mixing conditions in the estuary. Although algal blooms were observed in the Solva Estuary, the estuary was well-oxygenated due to the relatively high water exchange rate and consistent rapid flushing in the estuary. The conditions in the Solva Estuary were predicted to be favourable for phytoplankton productivity and the wider potential implications for future water quality protection strategies in the Solva were discussed.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: Nutrients enrichment; Turbidity; Dissolved oxygen; Eutrophication; Severn Estuary.
Publisher: Elsevier
ISSN: 0278-4343
Last Modified: 21 Feb 2019 17:13
URI: http://orca-mwe.cf.ac.uk/id/eprint/63595

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