18. Sediment Mobilisation by the Wind

  1. David S. G. Thomas
  1. Giles F. S. Wiggs

Published Online: 13 MAR 2011

DOI: 10.1002/9780470710777.ch18

Arid Zone Geomorphology: Process, Form and Change in Drylands, Third Edition

Arid Zone Geomorphology: Process, Form and Change in Drylands, Third Edition

How to Cite

Wiggs, G. F. S. (2011) Sediment Mobilisation by the Wind, in Arid Zone Geomorphology: Process, Form and Change in Drylands, Third Edition (ed D. S. G. Thomas), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470710777.ch18

Editor Information

  1. School of Geography and Environment, Oxford University Centre for the Environment, South Parks Road, Oxford OX1 3QY, UK

Author Information

  1. School of Geography and Environment, Oxford University Centre for the Environment, South Parks Road, Oxford OX1 3QY, UK

Publication History

  1. Published Online: 13 MAR 2011
  2. Published Print: 25 FEB 2011

ISBN Information

Print ISBN: 9780470519080

Online ISBN: 9780470710777

SEARCH

Keywords:

  • sediment mobilisation by the wind;
  • wind, an effective medium - for sediment movement in drylands;
  • nature of windflow in deserts;
  • turbulent velocity profile;
  • from bagnold to sonics - measuring boundary layer airflow;
  • extraordinary technological development - in airflow measurement;
  • surface modifications to entrainment thresholds - and transport flux;
  • surface slope on threshold of entrainment - and saltation trajectories of particles;
  • role of turbulence - in aeolian sediment transport;
  • time series of horizontal wind velocity - and saltation impacts, measured at 10 Hz

Summary

This chapter contains sections titled:

  • Introduction

  • The nature of windflow in deserts

  • Sediment in air

  • Determining the threshold of grain entrainment

  • Surface modifications to entrainment thresholds and transport flux

  • Modes of sediment transport

  • Ripples

  • Prediction and measurement of sediment flux

  • The role of turbulence in aeolian sediment transport

  • Conclusions

  • References