Vol. 61, No. 6, 2021

Oceanology

Marine Physics

Climate Change in the Hydrometeorological Parameters of the Black and Azov Seas (1980–2020)

A. I. Ginzburg, A. G. Kostianoy, I. V. Serykh and S. A. Lebedev p. 745 abstract

Thermohaline Anomalies and Fronts in the Black Sea and Their Relationship with the Vertical Fine Structure

A. G. Zatsepin and O. I. Podymov p. 757 abstract

Features of Seasonal Sea Level Oscillations in the Russian Arctic Seas

I. P. Medvedev p. 769 abstract

On the Structure of Water Exchange Between the Deep Northern and Shelf Southwestern Part of the Kara Sea over the Brusilov Sill

V. V. Kremenetskiy, A. A. Nedospasov, S. A. Shchuka, A. S. Shchuka, I. A. Zamyatin and A. V. Bondar p. 786 abstract

Effect of the East Siberian Current on Water Exchange in the Bering Strait Based on Satellite Altimetry Measurements

V. R. Zhuk and A. A. Kubryakov p. 791 abstract

On the Mechanisms of Variability of the Atlantic Meridional Overturning Circulation (AMOC)

D. A. Kuznetsova and I. L. Bashmachnikov p. 803 abstract

Long-Term Linear Meridional Shift of the Jet Structure of the Antarctic Circumpolar Current South of Africa

R. Yu. Tarakanov p. 815 abstract

Peculiarities of Formation the of Density Field in Mesoscale Eddies of the Lofoten Basin: Part 1

V. V. Zhmur, E. V. Novoselova and T. V. Belonenko p. 830 abstract

Structure and Variability of the Lena River Plume in the South-Eastern Part of the Laptev Sea

E. A. Spivak, A. A. Osadchiev and I. P. Semiletov p. 839 abstract

Two-Dimensional Modeling of Three-Dimensional Waves

D. Chalikov p. 850 abstract

Spectral Indexing of MODIS-Image Pixels to Reveal the Variability in the Phytopigment Composition in the Sea under the Influence of Mesoscale Water Dynamics

G. S. Karabashev p. 861 abstract

Variability of Bio-Optical Characteristics of Surface Water Layer during Transatlantic Transect in 2019–2020

D. I. Glukhovets, P. A. Salyuk, V. A. Artemiev, E. A. Shtraikhert and S. P. Zakharkov p. 872 abstract

Marine Chemistry

Distribution Patterns of Methane, Hydrogen, and Helium in the Water Column of the Kara Sea

A. I. Obzhirov, N. S. Polonik, A. L. Ponomareva, O. V. Vereshchagina, Yu. A. Telegin, N. S. Syrbu and M. V. Flint p. 881 abstract

Distribution and Sources of Methane in the Water Layers of the Antarctic Straits: Bransfield Strait and Antarctic Sound

N. S. Polonik, A. L. Ponomareva, A. I. Eskova, R. B. Shakirov, A. I. Obzhirov and E. G. Morozov p. 892 abstract

Current Evolution of the Salt Composition of Waters in the Western Basin of the South Aral Sea

N. Yu. Andrulionis, P. O. Zavialov and A. S. Izhitskiy p. 899 abstract

Marine Biology

First Data on the Structure of Phytoplankton Communities of the East Siberian Sea

I. N. Sukhanova, M. V. Flint, A. V. Fedodov, E. G. Sakharova, P. N. Makkaveev, A. A. Polukhin, A. A. Nedospasov and A. S. Schuka p. 909 abstract

Phytoplankton of the Barents Sea at the Polar Front in Spring

P. R. Makarevich, V. V. Larionov, V. V. Vodopyanova, A. S. Bulavina, T. G. Ishkulova, M. P. Venger, I. A. Pastukhov and A. V. Vashchenko p. 930 abstract

On the Role of Small Photosynthetic Flagellates in the Fall Phytoplankton Community of Onega Bay, White Sea

T. A. Belevich, E. R. Nikishova, A. V. Tolstikov and N. E. Galakhina p. 944 abstract

Spatial Variability of Zooplankton and Hydrological Indicators of the Waters of the Southern and Central Baltic Sea in Late Summer of 2016

Ju. Ju. Polunina, V. A. Krechik and V. T. Paka p. 954 abstract

Food Spectra of Snow Crabs (Chionoecetes opilio (O. Fabricius, 1788) (Decapoda, Oregoniidae), Non-Indigenous Species of the Kara Sea

R. N. Burukovsky, V. L. Syomin, A. K. Zalota, M. I. Simakov and V. A. Spiridonov p. 964 abstract

Transformation of Benthic Communities in Pechora Bay and the Probable Loss of the Portlandia aestuariorum Population in the Typical Habitat

P. Yu. Dgebuadze, A. B. Basin, M. V. Chikina, A. A. Udalov, A. A. Balakin, I. L. Razgon, Yu. V. Ermilova, V. A. Chava, A. A. Gebruk, N. V. Shabalin and V. O. Mokievsky p. 976 abstract

Marine Geology

Seasonal Variability in the Sedimentary Matter Flux on the Shelf of the Northern Kara Sea

A. V. Drits, M. D. Kravchishina, I. N. Sukhanova, N. A. Belyaev, V. A. Karmanov and M. V. Flint p. 984 abstract

Major and Trace Elements in Water and Suspended Matter of the Northern Dvina River and Their Annual Discharge into the White Sea

V. V. Gordeev, A. I. Kochenkova, D. P. Starodymova, V. P. Shevchenko, S. K. Belorukov, A. S. Lokhov, A. E. Yakovlev, V. A. Chernov and O. S. Pokrovsky p. 994 abstract

Characteristic Property of the Formation of Authigenic Minerals in Bottom Sediments of the South Caspian Basin under Hydrogen Sulfide Contamination Conditions

N. V. Kozina, L. Ye. Reykhard, O. M. Dara and V. V. Gordeev p. 1006 abstract

Deep Structure of the Indochina Peninsula–South China Sea Transition Zone According to Geophysical Data

Z. N. Proshkina, M. G. Valitov, T. N. Kolpashchikova, N. S. Lee and N. M. Tsovbun p. 1016 abstract

Cobalt-Rich Ferromanganese Crusts of the Govorov Guyot of the Magellan Seamounts of the Pacific Ocean: Conditions of Occurrence, Mineralogy, and Geochemistry

G. V. Novikov, T. E. Sedysheva, N. V. Lobus and O. Yu. Bogdanova p. 1026 abstract

Geodynamic Evolution of the Western Part of the Russian Arctic and Its Diamond Potential

N. O. Sorokhtin and N. E. Kozlov p. 1040 abstract

Materials and Methods

Microfluorimeter for Studying the State of Photosynthetic Apparatus of Individual Cells of Microalgae

A. G. Kuznetsov, I. V. Konyukhov, S. I. Pogosyan and A. B. Rubin p. 1055 abstract

Using the PIV Method to Study the Structure of the Water Flow and Bottom Sediment Transport Processes

D. A. Antonenkov and A. E. Shchodro p. 1064 abstract

Operational Video Surveillance of the Vertical Distribution of Zooplankton in Situ

A. L. Olenin p. 1072 abstract

Information

Investigations of Winter Regime of the White Sea Estuaries in 2017–2020

P. N. Terskii, E. D. Panchenko, S. L. Gorin, S. A. Agafonova, A. N. Vasilenko, Z. M. Kulikova, A. A. Popryadukhin and A. M. Alabyan p. 1076 abstract