Vol. 66, No. 4, 2026

Oceanology

MARINE PHYSICS

Formation of a Two-Core Overflow in Some Deep Channels of the World Ocean

R. Yu. Tarakanov p. 459 abstract

Blocking of the Upper-Layer Flow in the Bosphorus Strait (Orkoz Phenomenon): Findings and Future Directions

A. S. Falina, A. A. Nedospasov, and V. V. Kremenetskiy p. 466 abstract

Changes in the Ice-Free Period in the Chukchi Sea Based on Remote Sensing and Coastal Observations

P. A. Shabanov p. 478 abstract

Eddy Heat Transport in the Marginal Ice Zone of the Northern Greenland Sea

S. A. Shliapin and I. L. Bashmachnikov p. 496 abstract

Subglacial Currents in the Central Kara Sea

G. A. Kovalev, A. K. Ambrosimov, and I. P. Semiletov p. 505 abstract

Interannual Variability of Surface Salinity of the Northwestern Shelf of the Black Sea Based on Satellite Information and Reanalysis Data

E. M. Lemeshko, M. V. Tsyganova, and E. E. Lemeshko p. 513 abstract

MARINE CHEMISTRY

The Forms of Occurrence of Chemical Elements in the Suspended Sediments of the Severnaya Dvina River and Their Seasonal Variability

A. I. Kochenkova, V. V. Gordeev, D. P. Starodymova, and A. S. Lokhov p. 525 abstract

Generalized Characteristics of the Migration Patterns of Dissolved Macro- and Trace Elements in the Mouths of Small Rivers of Kandalaksha Bay of the White Sea

A. V. Savenko and O. S. Pokrovsky p. 539 abstract

Spatial Organization of the Ecosystem in the Russian Sectors of the Baltic Sea in Summer

V. V. Sivkov, E. S. Bubnova, S. V. Aleksandrov, A. A. Gusev, O. A. Dmitrieva, T. R. Eremina, S. A. Mosharov, and A. S. Semenova p. 557 abstract

MARINE BIOLOGY

Forecast of Coccolithophore Blooms in the Black Sea

S. V. Vazyulya, D. I. Glukhovets, D. N. Deryagin, and S. V. Sheberstov p. 571 abstract

Trophic Biomarkers in Some Mesopelagic Fish Species from the Irminger Sea

V. P. Voronin, D. V. Artemenkov, A. M. Orlov, and S. A. Murzina p. 580 abstract

MARINE GEOLOGY

Distribution and Morphology of Fluidogenic Landforms in the Shallow Part of the Pechora Sea

A. V. Kokhan, E. A. Eremenko, E. A. Moroz, A. P. Denisova, E. A. Sukhikh, R. A. Ananiev, S. Yu. Sokolov, and S. L. Nikiforov p. 591 abstract

INFORMATION

Disposal of Radioactive Waste in the Russian Arctic (Cruise 70 of the R/V Akademik Ioffe)

N. A. Rimsky-Korsakov, N. Ya. Knivel, O. E. Kiknadze, A. V. Lesin, V. O. Muravya, and V. A. Artemyev p. 605 abstract

Study of Hydrophysical and Gas-Geochemical Structures in the Southwestern Sea of Okhotsk and Eastern Shelf of Sakhalin Island During Cruise 99 of the R/V Akademik M.A. Lavrentyev