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Geological Society, London, Special Publications; 1993; v. 72; p. 191-199;
DOI: 10.1144/GSL.SP.1993.072.01.16
© 1993 Geological Society of London

Coastal Dunefields

A complex dune system in Baix Empordà (Catalonia, Spain)

Lluisa Cros1 & Jordi Serra2

1 Institut de Ciències del Mar, CSIC, Passeig Nacional s/n, Barcelona, 08039 Spain
2 Department de Geologia Dinàmica, Universitat de Barcelona, Zona de Pedralbes, Barcelona, 08028 Spain

The dune system of Baix Empordà, Catalonia, Spain is composed of sediments supplied by the Ter and Daró rivers, transported by the effective north-northwesterly local wind called the Tramuntana.

Dune formation is mostly related to the vegetation on the plains area and to topographic obstacles in the Begur Massif zone. Morphologically, these dunes are mainly parabolics and blowouts. Climbing, falling and ‘passadis’ dunes are present in the mountainous zone, the latter being a newly proposed name for a type of lee dune.

The sands are differentiated into distinct groups according to their sedimentological features and marine faunal content. Their evolution and age have been determined by mapping, and by geological and historical information, respectively.