Mapping the geochemistry of the northern Rub' Al Khali using multispectral remote sensing techniques

Auteurs :
WHITE, K.
GOUDIE, A.
PARKER, A.
AL-FARRAJ, A.

Description :
Spatial variations in sand sea geochemistry relate to mixing of different sediment sources and to variations in weathering. Maps of geochemical composition produced from remotely sensed data can be calibrated against limited field data and the results extrapolated over large, inaccessible areas. This technique is applied to part of the Rub' Al Khali in the northern United Arab Emirates. Trend surface analysis of the results suggests that the sand sea at this location can be modelled as an east-west mixing zone of 2 spectral components : terrestrial reddened quartz sands and marine carbonate sands.


Type de document :
Article de périodique

Source :
Earth surface processes and landforms, issn : 0197-9337, 2001, vol. 26, n°. 7, p. 735-748, Collation : Illustration, Références bibliographiques : 66 ref.

Date :
2001

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley