Dynamics of secondary airflow and sediment transport over and in the lee of transverse dunes

Auteurs :
WALKER, I.J.
NICKLING, W.G.

Description :
Recent research literature on secondary airflow and sediment transport patterns over flow-transverse dunes is reviewed. Various issues surrounding the behaviour, modelling and sedimentological implications of near-surface airflow dynamics over dunes are discussed, including the Law of the Wall; the Jackson and Hunt airflow model; the effects of streamline compression, acceleration and curvature on stoss slope shear stress; and, in particular, recent efforts to characterize secondary lee-side airflow patterns. A revised conceptual model of lee-side airflow is presented and areas for further research are identified.


Type de document :
Article de périodique

Source :
Progress in physical geography, issn : 0309-1333, 2002, vol. 26, n°. 1, p. 47-75, nombre de pages : 29, Collation : Illustration, Références bibliographiques : 4 p.

Date :
2002

Editeur :
Pays édition : Royaume-Uni, London, Sage Publications