主题词：Marine and environmental studies; Methane Hydrates and Related Phenomena; Geological Studies and Exploration; Aquatic and Environmental Studies; Oceanographic and Atmospheric Processes; Arctic and Antarctic ice dynamics; Marine and coastal ecosystems; Food Industry and Aquatic Biology; Geology and Paleoclimatology Research; Marine Biology and Ecology Research; Isotope Analysis in Ecology; Hydrocarbon exploration and reservoir analysis; Geological and Geochemical Analysis; Ocean Waves and Remote Sensing; Climate variability and models; earthquake and tectonic studies; Marine and fisheries research; Arctic and Russian Policy Studies; Geological and Geophysical Studies; Atmospheric and Environmental Gas Dynamics; Coastal and Marine Dynamics; Geochemistry and Elemental Analysis; Geological formations and processes; Microbial Community Ecology and Physiology; Climate change and permafrost