Vol. 61, No. 4, 2021

Oceanology

Marine Physics

Two Modes of Atmosphere–Ocean Interaction in the Atlantic Sector of the Arctic Basin

N. V. Mikhailova, T. M. Bayankina and A. A. Sizov p. 443 abstract

The Role of Salinity in the Global Distribution of Surface Density Fluxes in the World Ocean Based on the Example of 2014

V. M. Kukushkin, M. Yu. Markina, S. K. Gulev and S. A. Dobrolyubov p. 450 abstract

Extreme Storm Surges in the Gulf of Finland: Frequency-Spectral Properties and the Influence of Low-Frequency Sea Level Oscillations

I. P. Medvedev and E. A. Kulikov p. 459 abstract

Marine Chemistry

Methane Distribution in Antarctic Sound (Southern Ocean)

N. S. Polonik, A. L. Ponomareva, R. B. Shakirov and A. I. Obzhirov p. 469 abstract

Gas Distribution Features in the Upper Layer of Marine Sediments in the Continental Shelf of the Laptev Sea–Arctic Ocean Profile

V. S. Sevastyanov, V. Yu. Fedulova, A. V. Stennikov, O. V. Kuznetsova, S. G. Naimushin, N. V. Dushenko and A. P. Krivenko p. 472 abstract

Marine Biology

Occurrence and Distribution of Cetaceans in the Northeastern Part of the Black Sea

A. D. Chernetsky, V. V. Krasnova, A. N. Boltunov, E. M. Panova, A. V. Agafonov, R. A. Belikov and E. A. Belikova p. 488 abstract

Marine Geology

Features of Formation of the Sedimentation and Mass Accumulation Rate in Western Black Sea Bottom Sediments

N. N. Tereshchenko and A. V. Parkhomenko p. 499 abstract

Sedimentary Waves of the Southeastern Barents Sea Shelf (Kanin Peninsula–Cheshskaya Bay)

S. L. Nikiforov, R. A. Ananiev, N. N. Dmitrevsky, N. V. Libina, N. O. Sorokhtin, E. A. Sukhikh, A. A. Razumovskii and G. A. Toropov p. 511 abstract

Sources of Bottom Sediments in the Eastern Part of East Siberian Sea (Reconstruction from Geochemical Data)

A. V. Maslov p. 517 abstract

Paleoceanology of the Sea of Azov in the Holocene (Based on Geological Survey Data and Investigation of Malacofauna on the Dolgaya Spit)

G. G. Matishov, V. V. Polshin, E. P. Kovalenko and K. S. Grigorenko p. 533 abstract

Physical Modeling of Structure Formation at the Early Stages of the Iberia–Newfoundland Separation

E. P. Dubinin, A. L. Grokholsky and A. O. Rashchupkina p. 543 abstract

Satellite Geological Indication of Morphostructural Elements of the Coasts and Bottom of Adjacent Water Areas (Peter the Great Bay, Sea of Japan)

A. A. Gavrilov p. 555 abstract

Instruments and Methods

Underwater Acoustic Communications Using Vertical Receiver Arrays in Ice-Covered Shallow-Water Areas

M. V. Volkov, A. A. Lunkov, V. G. Petnikov and A. V. Shatravin p. 569 abstract

Information

Field Research in the Baltic Sea on Cruise 55 of the P/V Akademik Ioffe

A. V. Krek, E. V. Krek, E. E. Ezhova, V. T. Paka, A. A. Kondrashov, A. R. Danchenkov, N. E. Bagirov, E. A. Kudryavtzeva, E. S. Bubnova, A. Yu. Sergeev and S. V. Aleksandrov p. 581 abstract

Geological Studies of the Upper Sedimentary Strata of Chaun Bay during Cruise 60 of the R/V Akademik Oparin

A. S. Ulyantsev, A. N. Charkin, V. L. Syomin, L. A. Kireenko, S. A. Botsul, A. E. Leusov, P. Yu. Semkin and S. P. Kukla p. 584 abstract

Study of the State and Variability of Marine Environment in the Japan/East Sea in Cruise 58 of the R/V Akademik Oparin

V. B. Lobanov, A. F. Sergeev, G. Kim, S. Nam, E. N. Maryina, H. Han, O. S. Popov, P. P. Tishchenko, G. A. Vlasova, S. A. Zverev, S. J. Choi, H. Jeong, B. Kim, Y. Kim, S. Y. Kim, I. Lee, H. Lee, H. Lee, A. E. Leusov, A. A. Mariaysh, I. A. Prushkovskaya, Y. N. Rudykh, Y. Ryu, A. A. Ryumina, S. G. Sagalaev, P. Y. Semkin, H. Seo, E. M. Shkirnikova, N. V. Shlyk, M. G. Shvetsova, V. Tsoi and O. A. Ulanova p. 586 abstract