SMART - Sediment Mitigation Actions for the River Rother, UK

Jennine L Evans, Ian D L Foster, John Boardman, Naomi Holmes

Research output: Contribution to JournalArticlepeer-review

Abstract

The River Rother, West Sussex, is suffering from excess sediment which is smothering the river bed gravels. This is thought to be exacerbating issues of pollution and degradation of ecosystems. This project aims to identify the severity, extent, possible causes and potential mitigation options available to reduce these pressures on the river. Data have been collected from ten sites to investigate the amount of sediment stored in the river bed gravels and cores obtained from four small reservoirs to establish rates of sedimentation and contribute to the construction of a temporal sediment budget over the last 50–100 years. Evidence suggests that tributary streams have more stored sediment per m2 upstream of their confluence with the River Rother compared to the Rother itself. Reservoir core data indicate that sediment has accumulated more rapidly in the small reservoirs surrounded by mixed agricultural land compared to one surrounded by ancient woodland. These are preliminary results and work is continuing.
Original languageEnglish
JournalProceedings of the International Association of Hydrological Sciences
Volume375
DOIs
Publication statusPublished - 3 Mar 2017

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