Six. Sediment Movement and Deposition in River Systems

  1. Kirstie A. Fryirs1 and
  2. Gary J. Brierley2

Published Online: 28 SEP 2012

DOI: 10.1002/9781118305454.ch6

Geomorphic Analysis of River Systems: An Approach to Reading the Landscape

Geomorphic Analysis of River Systems: An Approach to Reading the Landscape

How to Cite

Fryirs, K. A. and Brierley, G. J. (2012) Sediment Movement and Deposition in River Systems, in Geomorphic Analysis of River Systems: An Approach to Reading the Landscape, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118305454.ch6

Author Information

  1. 1

    Department of Environment and Geography, Macquarie University, North Ryde, NSW 2109, Australia

  2. 2

    School of Environment, University of Auckland, Auckland, New Zealand

Publication History

  1. Published Online: 28 SEP 2012
  2. Published Print: 16 NOV 2012

ISBN Information

Print ISBN: 9781405192750

Online ISBN: 9781118305454

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Keywords:

  • grain size;
  • Hjulström diagram;
  • landscape;
  • Lane valence diagram;
  • material properties;
  • river systems;
  • sediment deposition;
  • sediment loads;
  • sediment movement

Summary

This chapter focuses upon the ‘sediment bucket’ in the Lane diagram (sediment calibre and volume). Processes of sediment entrainment, transport and deposition are discussed in the context of the Hjulström diagram. The influence of grain-by-grain interactions on the channel bed (i.e. packing arrangements), bedform generation in sand- and gravel-bed rivers, partial and equal mobility, supply- and transport-limited rivers and the role of material cohesiveness in fine-grained (silt-clay) channels is discussed, followed by an outline of the controls upon depositional processes in river systems. Prior to outlining key principles in the development of a practical approach to river sediment analysis, scales of depositional features in river systems and contrasting sedimentary sequences in bedload, mixed-load and suspended-load depositional environments are briefly summarised, and key considerations in efforts to interpret sediment sequences when reading the landscape are outlined.