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Title: Measurement and prediction of aeolian sediment transport at Jandía Isthmus (Fuerteventura, Canary islands)
Authors: Alcántara-Carrió, J.
Alonso, Ignacio 
UNESCO Clasification: 250618 Sedimentología
Keywords: Wind profiles
Sand traps
Calibration, et al
Issue Date: 2002
Publisher: 0749-0208
Journal: Journal of Coastal Research 
Abstract: Predictive models of aeolian sediment transport are calibrated and validated with empirical measurements in the Jandia Isthmus (Canary islands), which consists of a wide diversity of aeolian environments, from dunes to sand sheets and serir areas. Empirical aeolian sediment transport rates measured by vertical sand traps simultaneously with wind velocity profiles permit validation of such models, as well as selection of the best performing equation. The model of ZINGG (1953) for horizontal or nearly-horizontal surfaces and the model of HARDISTY and WHITEHOUSE (1988) applicable to dipping surfaces have shown the best agreement with measurements. In this paper, a new equation is defined and applied to predict the monthly and annual aeolian sand transport at the site. Sediment flux was found to be mainly to the South or South-Southeast, caused by the dominant northerly trade winds as well as the local topography. Wadis channel the wind and associated transport, but a high transport also occurs to the southwest along the windward coast. Therefore, supply of sediments to both coastal sides has been quantified and the pattern of flux described. Sand blown from Jandia Isthmus constitutes a significant source of materials for both the leeward and windward beaches.
ISSN: 0749-0208
Source: Journal of Coastal Research [ISSN 0749-0208], v. 18, p. 300-315
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