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The Danube submarine canyon (Black Sea): morphology and sedimentary processes ArchiMer
Popescu, Irina; Lericolais, Gilles; Panin, Nicolae; Normand, Alain; Dinu, Cornel; Le Drezen, Eliane.
The Danube Canyon is a large shelf-indenting canyon that has developed seaward of the late Pleistocene paleo-Danube valley. Mechanisms of canyon evolution and factors that controlled it are revealed by analyzing the morphology and the sedimentary structure of the canyon, as well as the main features of the continental margin around the canyon. This is based on investigation by swath bathymetry in the canyon area combined with different types of seismic data. The canyon is a major erosional trough with a flat bottom cut by an entrenched axial thalweg. The thalweg path varies from highly meandering to fairly straight in relation to the local gradient. Segments of the canyon are characterized by specific morphology, orientation and gradient along the axial...
Tipo: Text Palavras-chave: Gas; Wave cut terrace; Buried fluvial channels; Headward erosion; Submarine canyon; Black Sea.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-476.pdf
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