Interactions between airflow and valley topography with implications for aeolian sediment transport

Auteurs :
WIGGS, G.F.S.
BULLARD, J.E.
GARVEY, B.
CASTRO, I.

Description :
This paper investigates the impacts of dryland valley topography on wind speed and direction in order to understand better the effects of a valley on aeolian sediment dynamics. Anemometers and wind vanes were used to measure airflow characteristics upwind, within and downwind of a dry valley in the central Namib desert. A conceptual model indicating the potential implications of these data for aeolian sediment transport processes in the vicinity of dryland valleys is presented.


Type de document :
Article de périodique

Source :
Physical geography, issn : 0272-3646, 2002, vol. 23, n°. 5, p. 366-380, nombre de pages : 15, Collation : Illustration, Références bibliographiques : 37 ref.

Date :
2002

Editeur :
Pays édition : Royaume-Uni, Abingdon, Taylor and Francis