A5090300789- Arctic and Antarctic ice dynamics
- Marine and coastal ecosystems
- Methane Hydrates and Related Phenomena
- Oceanographic and Atmospheric Processes
- Marine and environmental studies
- Arctic and Russian Policy Studies
- Food Industry and Aquatic Biology
- Atmospheric and Environmental Gas Dynamics
- Water Quality Monitoring and Analysis
- Land Use and Ecosystem Services
- Ocean Acidification Effects and Responses
- Geological Studies and Exploration
- Isotope Analysis in Ecology
- Infrared Target Detection Methodologies
- Aquatic and Environmental Studies
- Urbanization and City Planning
- Marine Biology and Ecology Research
- Climate change and permafrost
- Impact of Light on Environment and Health
Polish Academy of Sciences
2023
Instytut Oceanologii Polskiej Akademii Nauk
2023
St Petersburg University
2015-2019
University of Bremen
2011-2015
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
2012-2013
Between Greenland and Spitsbergen, Fram Strait is a region where cold ice-covered Polar Water exits the Arctic Ocean with East Current (EGC) warm Atlantic enters West Spitsbergen (WSC). In this compilation, we present two different data sets from plankton ecological observations in Strait: (1) long-term measurements of satellite-derived (1998–2012) situ chlorophyll (chl a) (mainly summer cruises, 1991–2012) plus protist compositions (a station WSC, eight 1998–2011); (2) short-term...
Time-series studies of arctic marine ecosystems are rare. This is not surprising since polar regions largely only accessible by means expensive modern infrastructure and instrumentation. In 1999, the Alfred Wegener Institute, Helmholtz-Centre for Polar Marine Research (AWI) established LTER (Long-Term Ecological Research) observatory HAUSGARTEN crossing Fram Strait at about 79° N. Multidisciplinary investigations covering all parts open-ocean ecosystem carried out a total 21 permanent...
The Fram Strait is the main gateway for water, heat and sea-ice exchanges between Arctic Ocean North Atlantic. complex physical environment results in a highly variable primary production space time. Previous regional studies have defined key bottom-up (ice cover stratification from melt water controlling light availability, wind mixing transport affecting supply of nutrients) top-down processes (heterotrophic grazing). In this study, situ field data, remote sensing modeling techniques were...
Phytoplankton are responsible for releasing half of the world’s oxygen and removing large amounts carbon dioxide from surface waters. Despite many studies on topic conducted in past decades, we still far a good understanding ongoing rapid changes Arctic Ocean how they will affect phytoplankton whole ecosystem. An example is difference net primary production modelling estimates, which differ twice globally fifty times when only region considered. Here, aim to improve quality Greenland Sea by...
Abstract. Current estimates of global marine primary production range over a factor two. Improving these requires an accurate knowledge the chlorophyll vertical profiles, since they are basis for most models. At high latitudes, uncertainty in is larger than globally, because here phytoplankton absorption shows specific characteristics due to low-light adaptation, and situ data ocean colour observations scarce. To date, studies describing typical profile based on surface layer have not...
Cities are considered key to addressing climate change. A substantial volume of scholarship is now available on urban transitions (focusing social and technological change) the governance structures that underpin those transitions. The is, however, dominated by studies from European Anglo-Saxon cities. Seeking add insights a currently underexplored world-region this literature, current article explores in Russian Federation focuses specifically Moscow St. Petersburg. In doing so, also...
Introduction The release of dissolved organic matter (DOM) from sediments serves as an important part the carbon cycle. Methods Here, we address pore water DOM quality and its shallow (0–10 cm) central southern Baltic Sea - Gdansk, Bornholm, Eastern Gotland Basins using excitation–emission matrix spectroscopy size-exclusion chromatography. Results displayed spatial variability, with diffusive DOC fluxes ranging 0.02 to 1.06 mmol m −2 d −1 , basin-averaged increased in order < Bornholm...
Abstract. Phytoplankton are responsible for releasing half of the World’s oxygen and removing large amounts carbon dioxide from surface waters. Despite many studies on topic conducted in past decades, we still far a good understanding ongoing rapid changes Arctic Ocean, how they will affect phytoplankton whole ecosystem. An example is difference net primary production modeling estimates, which differ two times globally fifty when only region considered. Here aim to improve quality Greenland...
Abstract. Current estimates of global marine primary production range over a factor two. At high latitudes, the uncertainty is even larger than globally because here in-situ data and ocean color observations are scarce, phytoplankton absorption shows specific characteristics due to low-light adaptation. The improvement requires an accurate knowledge on chlorophyll vertical profile, which basis for most models. To date, studies describing typical profile based in surface layer did not include...