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(Article of periodic en Anglais - 2011)

Document title

Aeolian sand strip mobility and protodune development on a drying beach : examining surface moisture and surface roughness patterns measured by terrestrial laser scanning

Authors(s) and Affiliation(s)

NIELD J.M. (1) ; WIGGS G.F.S. (2) ; SQUIRRELL R.S. (1) ;
(1) School of Geography, Univ., Southampton, ROYAUME-UNI
(2) School of Geography, Centre for the Environment, Univ., Oxford, ROYAUME-UNI

Abstract

The AA. employed a terrestrial laser scanner to monitor beach surface moisture variability during a 3,5 hour period after a rain event and investigated relationships between bedform development, surface roughness and surface moisture. Their results demonstrate that as the beach surface dries, sand transport increases, with sediment erosion occurring at the wet/dry surface boundary, and deposition further downwind. This dynamic structure, dependent upon changing surface moisture characteristics, results in the formation of a rippled sand strip and ultimately a protodune. These findings highlight dynamic mobility relationships and confirm the need to consider transient bedforms and surface moisture across a variety of scales when measuring aeolian transport in beach settings. The terrestrial laser scanner provides a suitable apparatus with which to accomplish this

Source

Article of periodic

published at : Earth surface processes and landforms / ISSN 0197-9337 / CODEN ESPLDB

Editor : Wiley, Chichester - ROYAUME-UNI (1981)

Millesime : 2011, vol. 36, no4 [pp. 513-522]

Bibliographic references : 1,5 p.

Collation : 13 fig., 1 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 17355

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1002/esp.2071

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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