naa a22 4500 510765262 CHVBK 20180411083154.0 cr unu---uuuuu 180411e20130701xx s 000 0 eng 10.1134/S0001437013040012 doi (NATIONALLICENCE)springer-10.1134/S0001437013040012 Contourite systems in the region of the southern São Paulo Plateau escarpment, South Atlantic [Elektronische Daten] [D. Borisov, I. Murdmaa, E. Ivanova, O. Levchenko, V. Yutsis, T. Frantseva] Seismoacoustic investigations with a high-resolution parametric echo-sounder "SES 2000 deep” carried out on cruises 33, 35, and 37 of the R/V Akademik Ioffe revealed several erosional-depositional contourite systems on the São Paulo Plateau escarpment and its toe in the South Atlantic. Two contourite terraces related to interfaces between different water masses are observable on the escarpment. These terraces presumably reflect the activity of internal waves and turbulent eddies. The São Paulo contourite channel and genetically related drift are traceable along the escarpment toe. Changes in planktonic foraminiferal assemblages in Core AI-2563 retrieved from the summit of the São Paulo contourite drift suggest a shallowing of the Weddell Sea Deep Water mass during glacial times. It is established that the contour current of the Weddell Sea Deep Water and Lower Circumpolar Water considerably affect the formation of contourite depositional systems on the escarpment and its toe. Pleiades Publishing, Ltd., 2013 Borisov D. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut Murdmaa I. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut Ivanova E. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut Levchenko O. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut Yutsis V. University of Nuevo Leon, Linares, Mexico aut Frantseva T. All-Russian Scientific Research Institute for Geology and Mineral Resources of the World Ocean (VNIIOkeangeologia), St. Petersburg, Russia aut Oceanology Springer US; http://www.springer-ny.com 53/4(2013-07-01), 460-471 0001-4370 53:4<460 2013 53 11491 https://doi.org/10.1134/S0001437013040012 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S0001437013040012 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Borisov D. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut NATIONALLICENCE 700 1- Murdmaa I. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut NATIONALLICENCE 700 1- Ivanova E. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut NATIONALLICENCE 700 1- Levchenko O. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia aut NATIONALLICENCE 700 1- Yutsis V. University of Nuevo Leon, Linares, Mexico aut NATIONALLICENCE 700 1- Frantseva T. All-Russian Scientific Research Institute for Geology and Mineral Resources of the World Ocean (VNIIOkeangeologia), St. Petersburg, Russia aut NATIONALLICENCE 773 0- Oceanology Springer US; http://www.springer-ny.com 53/4(2013-07-01), 460-471 0001-4370 53:4<460 2013 53 11491 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer