Characteristics and controls of gravel-bed riffles: An analysis of data from the river-habitat survey

J C Emery, A M Gurnell, C Geog, N J Clifford, G E Petts

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

This paper presents an analysis of data from the UK Environment Agency River Habitat Survey database relating to bedform type and frequency. Emphasis is given to the gravel-bed riffle which (a) traditionally has been considered to be a fundamental morphological unit diagnostic of river stability, and (b) more recently has become an important design component in channel restoration and rehabilitation schemes. Data were sufficient to support the identification of distinct, catchment-scale controls determining the circumstances under which step-pools and riffles occur, and key local-scale influences upon riffle frequency and spacing. This demonstrates that the database can be used to support a broad geomorphological analysis. Suggestions are made for the interpretation of results obtained from the existing database, and for possible future modifications to enhance its geomorphological value.
Original languageEnglish
Pages (from-to)210 - 216
Number of pages7
JournalWATER AND ENVIRONMENTAL MANAGEMENT JOURNAL
Volume18
Issue number4
DOIs
Publication statusPublished - 2004

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