New data on sedimentary waves on the western continental slope of the Caspian Sea

In April and May 2006, researchers from the Shirshov Institute Oceanology and Moscow State University (Faculty of Geology and Faculty of Geography) carried out complex geological-geophysical works in the central Caspian Sea onboard the R/V Rift (Fig. 1). One of the purposes of the marine expedition...

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Bibliographic Details
Published in:Doklady earth sciences 2008-06, Vol.420 (1), p.709-713
Main Authors: Levchenko, O. V., Roslyakov, A. G., Polyakov, A. S., Zverev, A. S., Merklin, L. R.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Geology
Geophysics
Oceanology
Oceans
Sediments
Studies
Surface waves
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Summary:In April and May 2006, researchers from the Shirshov Institute Oceanology and Moscow State University (Faculty of Geology and Faculty of Geography) carried out complex geological-geophysical works in the central Caspian Sea onboard the R/V Rift (Fig. 1). One of the purposes of the marine expedition conducted in the framework of several research programs [1] was study of sedimentary waves, unique sinuous structures in the upper part of the sedimentary cover on the continental slope of the western Caspian Sea, which were mapped during the cruise of this vessel in 2004 [2]. Specific sedimentary structures known as sedimentary waves are widespread in deep areas of the World Ocean [3, 4]. Such wavy structures (undulations) are distinctly manifested in the topography of the seafloor and the structure of underlying sediments. Recently, similar undulations were also discovered at intermediate depths and even on shallow-water prodelta slopes (see, for example, [57]).
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X08040429