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(Article of periodic en Anglais - 2013)

Document title

Application of GPR for visualising spatial d distribution and internal structures of tsunami deposits ? Case studies from Spain and Greece

published at : Reconstructing and modeling of paleotsunami events. Multi-proxy approaches, geophysical studies, numerical simulations

Authors(s) and Affiliation(s)

KOSTER B. (1) ; HADLER H. (2) ; VÖTT A. (2) ; REICHERTER K. (1) ;
(1) Inst. of Neotectonics and Natural Hazards, RWTH Univ., Aachen, ALLEMAGNE
(2) Natural Hazard Research and Geoarcheology, Inst. for Geography, Johannes Gutenberg Univ., Mainz, ALLEMAGNE

Abstract

The AA. present ground penetrating radar (GPR)data combined with sedimentological methods to rapidly investigate study areas at a high resolution. This approach was tested in 2 different environments. At the Atlantic coast of southern Spain near Barbate (Cádiz), they investigated a cliff with an elevated tsunamite consisting mainly of coarse gravel, shells and a fining-upward sequence covered by a recent soil. In Greece, the ancient harbour of Lechaion is characterised by coarse-grained sediments covering wide areas of the harbour. GPR data indicate the variable thickness of tsunamigenic layers, channel-like structures of backwash deposits, and a non-planar erosion basement. Abrasion-scours were detected in various places and boulder accumulations at the base of the deposits were detected. The AA. show that shallow GPR is suitable for mapping tsunamites, though this method has certain limits and needs additional information for calibration

Source

Thematical fascicle

published at : Zeitschrift für Geomorphologie / ISSN 0372-8854 / CODEN ZGMPAG

Editor : Gebruder Borntraeger, Stuttgart - ALLEMAGNE (1925)

Millesime : 2013, vol. 57, no 4 [pp. 29-45]

Bibliographic references : 4 p.

Collation : 98 fig., 17 tabl., 2 annexes

Language

Anglais

INIST-CNRS, Cote INIST : 8829

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1127/0372-8854/2013/S-00151

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
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