Vol. 61, No. 5, 2021

Oceanology

Marine Physics

Currents in the Western Part of the Weddell Sea and Drift of Large Iceberg A68A

E. G. Morozov, V. A. Krechik, D. I. Frey and V. V. Zamshin p. 589 abstract

Propagation of Antarctic Bottom Water in the Discovery Gap (Northeast Atlantic) Based on Measurements from 2019

M. V. Kapustina and V. A. Krechik p. 602 abstract

Altimetry Data Assimilation Into a Numerical Model of Ocean Dynamics in the South Atlantic

I. D. Deinego, I. Ansorge and K. P. Belyaev p. 613 abstract

Marine Chemistry

Carbon Dioxide Flux at the Water–Air Boundary at the Continental Slope in the Kara Sea

A. A. Polukhin, M. V. Flint, I. B. Belikov, G. V. Gusak, U. A. Kazakova, V. O. Muravya, N. V. Pankratova, Yu. O. Pronina, A. I. Skorokhod, A. L. Chultsova and A. S. Shchuka p. 625 abstract

Water Structure in the Bransfield Strait (Antarctica) in January 2020: Hydrophysical, Optical, and Hydrochemical Features

A. A. Polukhin, E. G. Morozov, P. P. Tishchenko, D. I. Frey, V. A. Artemiev, G. V. Borisenko, A. V. Vidnichuk, E. N. Marina, E. V. Medvedev, O. S. Popov, A. M. Seliverstova and A. L. Chultsova p. 632 abstract

Marine Biology

Vertical Variability of Primary Production and Chlorophyll a in the Kara Sea in the Middle of Summer: Contribution of Subsurface Maxima to the Water Column Values

A. B. Demidov, V. I. Gagarin, E. V. Eremeeva, V. A. Artemiev, A. A. Polukhin, S. A. Shchuka, A. V. Grigoriev, A. N. Khrapko and M. V. Flint p. 645 abstract

The Ctenophore, Beroe ovata Bruguière, 1789 – the New Invader in the Ecosystem of the Caspian Sea

V. V. Sayapin, V. B. Ushivtsev, E. P. Oleynikov and F. G. Dosaev p. 662 abstract

Estimation of Bivalve Mollusk Plantation Productivity Based on Simulation Results

S. V. Katrasov, A. N. Bugaets, V. V Zharikov, S. I. Maslennikov, V. N. Lysenko, Yu. A. Barabanshchikov and P. Ya. Tishchenko p. 668 abstract

Local Community of Bottlenose Dolphins (Tursiops truncatus ponticus Barabash, 1940) in Waters of Southeastern Crimea: Number and Formation of Associations of Individuals in Groups

I. V. Logominova and A. V. Agafonov p. 677 abstract

Marine Geology

Experimental Estimation of the Deposition Rate of Water Suspended Particulate Matter in the Mouth of the Don River and in Taganrog Bay

V. S. Gerasyuk and S. V. Berdnikov p. 687 abstract

Regularities in the Location of Oil and Gas Reserves on the Margins of the Atlantic Ocean

A. Zabanbark and L. I. Lobkovskii p. 697 abstract

Petrogeochemistry and Ore Mineralization of Sericite–Quartz Schists of the Southern Slope of the Kashevarov Bank (Sea of Okhotsk)

N. V. Astakhova, V. V. Ivanov and K. I. Aksentov p. 701 abstract

Relief of the Kara Sea Bottom and Sediment Sorption Properties as Pollution Accumulation Factors

A. Yu. Miroshnikov, D. D. Badukov, M. V. Flint, T. Yu. Repkina, En. E. Asadulin, A. M. Sharapov, Vl. B. Komarov and A. A. Usacheva p. 714 abstract

Geochemical Typing of Organic Matter in the Bottom Sediments Based on the Molecular Composition of Saturated Aliphatic Hydrocarbons

A. S. Ulyantsev, N. A. Prokuda, E. A. Streltzova, N. A. Belyaev and E. A. Romankevich p. 727 abstract

Instruments and Methods

Comparative Characterization of Techniques for Pore Water Sampling from Bottom Sediments and Permafrost Rocks from Buor-Khaya Bay (Laptev Sea)

A. S. Ulyantsev, N. V. Polyakova, I. S. Trukhin and Yu. A. Parotkina p. 736 abstract

Information

Study of the State and Variability of the Northwestern Japan Sea in the Autumn–Winter Period on Cruise 62 of the R/V Akademik Oparin

V. B. Lobanov, A. F. Sergeev, E. N. Maryina, I. A. Prushkovskaya, P. Y. Tishchenko, V. V. Kalinchuk, A. M. Koltunov, D. S. Makseev, S. G. Sagalaev, D. A. Yurikova, E. A. Akulova, K. A. Aparina, O. I. Zagoruyko, S. A. Zverev, G. A. Kraynikov, S. P. Kukla, A. E. Leusov, N. B. Lukyanova, A. A. Ryumina, P. Y. Semkin, M. G. Shvetsova, E. M. Shkirnikova, E. A. Yurikova, A. Y. Yurtsev and T. S. Yakimov p. 742 abstract