According to data from Cruise 54 of R/V Akademik Mstislav Keldysh (September 2007) results of geochemical studies of redox processes in bottom sediments from the Ob River mouth area as applied to redox indicator elements (such as manganese, iron, and sulfur) are presented. Parameters of bottom sediments and distribution of these elements evidence not only a significant role of mixing processes at an geochemical profile of bottom sediments in the estuary but also a role of postsedimentation (diagenetic) processes.

Supplement to: Rozanov, Alexander G; Chechko, V A; Kokryatskaya, Natalya M (2010): The redox profile of the bottom sediments in the Ob River's mouth area. Translated from Okeanologiya, 2010, 50(5), 850-861, Oceanology, 50(5), 806-817