ALBERT

Note: Contents Part I Atmosphere-Ocean Interaction and Physical Oceanography 1 Geostrophic and Wind-Driven Components of the Antarctic Circumpolar Current / Nikolay A. Diansky, Varvara V. Bagatinskaya, Anatoly V. Gusev, and Eugene G. Morozov 2 Multi-jet Structure of the Antarctic Circumpolar Current / Roman Yu Tarakanov 3 Frontal Zone Between Relatively Warm and Cold Waters in the Northern Weddell Sea / Eugene G. Morozov, Viktor A. Krechik, Dmitry I. Frey, Alexander A. Polukhin, Vladimir A. Artemiev, Valentina V. Kasyan, Philipp V. Sapozhnikov, and Rinat Z. Mukhametianov 4 Water Masses, Currents, and Phytoplankton in the Bransfield Strait in January 2020 / Eugene G. Morozov, Dmitry I. Frey, Viktor A. Krechik, Alexander A. Polukhin, and Philipp V. Sapozhnikov 5 Intra-annual Variability of Water Structure in the Atlantic Sector of the Southern Ocean Based on the ECMWF ORA-S3 and OI SST Reanalysis / Yuri V. Artamonov, Elena A. Skripaleva, Alexander V. Fedirko, and Nikolay V. Nikolsky 6 The Circulation and Mixing Zone in the Antarctic Sound in February 2020 / Alexander V. Krek, Elena V. Krek, and Viktor A. Krechik 7 Rogue Waves in the Drake Passage: Unpredictable Hazard / Ekaterina G. Didenkulova, Tatiana G. Talipova, and Efim N. Pelinovsky 8 Water Mass Transformation in the Powell Basin / Alina A. Fedotova and Svetlana V. Stepanova 9 Interannual Variations of Water Mass Properties in the Central Basin of the Bransfield Strait / Alina A. Fedotova and Sergey V. Kashin 10 Sea Surface Temperature and Ice Concentration Analysis Based on the NOAA Long-Term Satellite and Sea-Truth Data in the Atlantic Antarctic / Viktor V. Zamshin and Vladislav A. Shliupikov Part II Chemical Oceanography, Seawater Optical Properties, Productivity and Microbial Processes 11 Hydrochemical Structure of Waters in the Northern Weddell Sea in Austral Summer 2020 / Svetlana V. Stepanova, Alexander A. Polukhin, Gennadii V. Borisenko, Anna L. Chultsova, Evgeniia N. Marina, Oleg S. Popov, Anna M. Seliverstova, Anna V. Vidnichuk, and Petr P. Tishchenko 12 Features and Processes of the Oxygen and pCO2 Dynamics in the Surface Waters in the Western Parts of the Weddell and Scotia Seas (Southern Ocean) / Natalia A. Orekhova, Anna V. Vidnichuk, and Sergey K. Konovalov 13 Earth’s Insolation and Spatiotemporal Variability of Albedo in the Antarctic / Anton A. Bukatov and Margarita V. Babiy 14 Quantitative and Productional Characteristics of Microplankton in the Powell Basin and Bransfield Strait in Summer / Nadezda D. Romanova, Sergey A. Mosharov, Olga V. Vorobieva, and Elena V. Bardyukova 15 Detection of Thermophilic Methanotrophic Microbial Communities in the Water Column of the Bransfield Strait (Antarctica) / Anna L. Ponomareva, Nikita S. Polonik, Aleksandra V. Kim, and Renat B. Shakirov 16 Spectral Bio-optical Properties of Waters in the Bransfield Strait and Powell Basin / Tanya Ya Churilova, Nataliia A. Moiseeva, Tatiana V. Efimova, Vladimir A. Artemiev, Elena Y. Skorokhod, and Anatoly S. Buchelnikov 17 Variability of Seawater Optical Properties in the Adjacent Water Basins of the Antarctic Peninsula in January and February 2020 / Alexandr A. Latushkin, Vladimir A. Artemiev, Anton V. Garmashov, Pavel A. Salyuk, Inna V. Sahling, and Dmitry I. Glukhovets 18 Bio-Optical Models for Estimating Euphotic Zone Depth in the Western Atlantic Sector of the Southern Ocean in the Antarctic Summer / Pavel A. Salyuk, Vladimir A. Artemiev, Dmitry I. Glukhovets, Alexander N. Khrapko, Anatoly V. Grigoriev, Alexandr A. Latushkin, and Nadezda D. Romanova 19 Phycoerythrin Pigment Distribution in the Upper Water Layer Across the Weddell-Scotia Confluence Zone and Drake Passage / Pavel A. Salyuk, Dmitry I. Glukhovets, Alexander Yu. Mayor, Natalia A. Moiseeva, Vladimir A. Artemiev, and Alexander N. Khrapko 20 Nanophytoplankton in the Bransfield Strait: Contribution of Cryptophyta to the Community Abundance and Biomass During Austral Summer / Vladimir S. Mukhanov, Evgeny G. Sakhon, Aleksander A. Polukhin, and Vladimir A. Artemiev Part III Section Marine Ecosystems and Their Oceanographical Background 21 Phytopelagic Communities of the Powell Basin in the Summer of 2020 / Philipp V. Sapozhnikov, Olga Yu. Kalinina, and Tatiana V. Morozova 22 Bioluminescence in the Atlantic Sector of the Southern Ocean Based on the Field Observations and Sounding Data / Aleksandr V. Melnik, Viktor V. Melnikov, Lidiya A. Melnik, Olga V. Mashukova, and Sergei V. Kapranov 23 Parasites as an Inseparable Part of Antarctic and Subantarctic Marine Biodiversity / Tatyana A. Polyakova and Ilya I. Gordeev 24 Spatial Distribution, Species Composition, and Number of Seabirds in the Argentine Basin, Drake Passage, East of Antarctic Peninsula, and Powell Basin in January–March 2020 / Sergey P. Kharitonov, Alexander L. Mischenko, Nikolai B. Konyukhov, Alexander E. Dmitriyev, Andrey V. Tretyakov, Gleb Yu. Pilipenko, Svetlana M. Artemyeva, and Matvey S. Mamayev 25 Spatial Distribution, Species Composition, and Number of Marine Mammals in the Argentine Basin, Drake Passage, East of Antarctic Peninsula, and Powell Basin in January–March 2020 / Sergey P. Kharitonov, Andrey V. Tretyakov, Alexander L. Mischenko, Nikolai B. Konyukhov, Svetlana M. Artemyeva, Gleb Yu. Pilipenko, Matvey S. Mamayev, and Alexander E. Dmitriyev 26 Meat in the Ocean: How Much and Who Is to Blame? / Sergey P. Kharitonov, Andrey V. Tretyakov, and Alexander L. Mischenko 27 Macro- and Mesozooplankton in the Powell Basin (Antarctica): Species Composition and Distribution of Abundance and Biomass in February 2020 / Vladimir A. Yakovenko, Vassily A. Spiridonov, Konstantin M. Gorbatenko, Nickolai V. Shadrin, Ernest Z. Samyshev, and Natalia I. Minkina 28 Application of Autonomous Underwater Vehicles for Research of Ecosystems in the Southern Ocean / Alexander Yu. Konoplin, Alexey I. Borovik, Denis N. Mikhailov, Yuriy V. Vaulin, Alexander F. Scherbatyuk, Alexey A. Boreiko, Roman A. Babaev, Dmitriy A. Bolovin, and Dmitriy I. Tregubenko 29 Heavy Metals and Anthropogenic Radionuclides in the Region of the Antarctic Peninsula / Artem A. Paraskiv, Natalia Yu. Mirzoeva, Nataliya N. Tereshchenko, Vladislav Yu. Proskurnin, Ilya G. Sidorov, Svetlana I. Arkhipova, and Eugene G. Morozov