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4 - Fluvial Processes

from Part II - Connectivity in Process Domains

Published online by Cambridge University Press:  10 April 2025

By
Janet Hooke
Edited by
Ronald Pöppl ,
Anthony Parsons  and
Saskia Keesstra
Ronald Pöppl
Affiliation:
BOKU University Vienna
Anthony Parsons
Affiliation:
University of Sheffield
Saskia Keesstra
Affiliation:
Wageningen Universiteit, The Netherlands
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Summary

This chapter discusses what is meant by connectivity in fluvial systems and how the connectivity approach differs from preceding research, the way in which it increases understanding of fluvial processes, and how knowledge of mechanisms and dynamics of processes fits into this framework. The focus is on longitudinal connectivity through river systems, mainly in large catchments and river channels and much of the attention is on sediment connectivity. The application of connectivity indices and graph theory are exemplified and the patterns, distributions and controls produced by connectivity analysis are demonstrated. Lateral connectivity is important in relation to the link of channels to floodplains and in maintaining functioning of wetlands. Recent developments of techniques and models have allowed additional factors to be incorporated and controls on connectivity of fluvial processes to be identified. The use of connectivity analysis as a framework is highly beneficial in management of fluvial systems and facilitates targeting of hotspots of sediment accumulation or depletion.

Keywords

fluvial systemsconnectivitysediment connectivitymanagement of fluvial systemssediment hotspots
Type
Chapter
Information
Connectivity in Geomorphology , pp. 48 - 79
Publisher: Cambridge University Press
Print publication year: 2025

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