Parabolic dunes in north-eastern Brazil

Details Parabolic dunes in north-eastern Brazil Parabolic dunes in north-eastern Brazil

2007-08-31

arxiv.org/abs/0708.4368v1

Geomorphology 102, 460-471 (2008)

Physics

Geophysics

18 pages, 14 figures, aubmitted to Geomorphology

Scientific paper

In this work we present measurements of vegetation cover over parabolic dunes with different degree of activation along the north-eastern Brazilian coast. We are able to extend the local values of the vegetation cover density to the whole dune by correlating measurements with the gray-scale levels of a high resolution satellite image of the dune field. The empirical vegetation distribution is finally used to validate the results of a recent continuous model of dune motion coupling sand erosion and vegetation growth.

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