Search Results - "Savchuk, O. P."

Satellite measurements of cyanobacterial bloom frequency in the Baltic Sea: interannual and spatial variability by Kahru, M., Savchuk, O. P., Elmgren, R.

“…Owing to the potentially harmful character of nitrogen-fixing filamentous cyanobacterial blooms in the Baltic Sea, a capacity to predict their occurrence is of…”
Get full text

Hypoxia in future climates: A model ensemble study for the Baltic Sea by Meier, H. E. M., Andersson, H. C., Eilola, K., Gustafsson, B. G., Kuznetsov, I., Müller-Karulis, B., Neumann, T., Savchuk, O. P.

“…Using an ensemble of coupled physical‐biogeochemical models driven with regionalized data from global climate simulations we are able to quantify the influence…”
Get full text

Cyanobacteria blooms in the Gulf of Finland triggered by saltwater inflow into the Baltic Sea by Kahru, M., Leppänen, J.-M., Rud, O., Savchuk, O. P.

“…In the 1980s and 1990s prior to 1995, massive blooms of the diazotrophic cyanobacteriumNodularia spumigenaoccurred in the Baltic Sea Proper but never extended…”
Get full text

Evaluation of biogeochemical cycles in an ensemble of three state-of-the-art numerical models of the Baltic Sea by Eilola, K., Gustafsson, B.G., Kuznetsov, I., Meier, H.E.M., Neumann, T., Savchuk, O.P.

“…Three state-of-the-art coupled physical–biogeochemical models, the BAltic sea Long-Term large-Scale Eutrophication Model (BALTSEM), the Ecological Regional…”
Get full text

Hypoxia in the Baltic Sea and Basin-Scale Changes in Phosphorus Biogeochemistry by Conley, Daniel J, Humborg, Christoph, Rahm, Lars, Savchuk, Oleg P, Wulff, Fredrik

“…Deep-water oxygen concentrations in the Baltic Sea are influenced by eutrophication, but also by saltwater inflows from the North Sea. In the last two decades,…”
Get full text

Model estimates of the eutrophication of the Baltic Sea in the contemporary and future climate by Ryabchenko, V. A., Karlin, L. N., Isaev, A. V., Vankevich, R. E., Eremina, T. R., Molchanov, M. S., Savchuk, O. P.

“…The St. Petersburg Baltic eutrophication model (SPBEM) is used to assess the ecological condition of the sea under possible changes in climate and nutrient…”
Get full text

Nutrient biogeochemical cycles in the Gulf of Riga: scaling up field studies with a mathematical model by Savchuk, Oleg P.

“…A box model has been implemented to understand the large-scale biogeochemical cycles of nitrogen, phosphorus, and silicon in the Gulf of Riga. The large data…”
Get full text

Changing seasonality of the Baltic Sea by Kahru, Mati, Elmgren, Ragnar, Savchuk, Oleg P

“…Changes in the phenology of physical and ecological variables associated with climate change are likely to have significant effect on many aspects of the…”
Get full text

Modelling the effects of benthic fauna on carbon, nitrogen and phosphorus dynamics in the Baltic Sea by Ehrnsten, Eva, Savchuk, Oleg Pavlovitch, Gustafsson, Bo Gustav

“…Even though the effects of benthic fauna on aquatic biogeochemistry have been long recognized, few studies have addressed the combined effects of animal…”
Get full text

Climate change in the Baltic Sea region: a summary by Meier, H. E. Markus, Kniebusch, Madline, Dieterich, Christian, Gröger, Matthias, Zorita, Eduardo, Elmgren, Ragnar, Myrberg, Kai, Ahola, Markus P, Bartosova, Alena, Bonsdorff, Erik, Börgel, Florian, Capell, Rene, Carlén, Ida, Carlund, Thomas, Carstensen, Jacob, Christensen, Ole B, Dierschke, Volker, Frauen, Claudia, Frederiksen, Morten, Gaget, Elie, Galatius, Anders, Haapala, Jari J, Halkka, Antti, Hugelius, Gustaf, Hünicke, Birgit, Jaagus, Jaak, Jüssi, Mart, Käyhkö, Jukka, Kirchner, Nina, Kjellström, Erik, Kulinski, Karol, Lehmann, Andreas, Lindström, Göran, May, Wilhelm, Miller, Paul A, Mohrholz, Volker, Müller-Karulis, Bärbel, Pavón-Jordán, Diego, Quante, Markus, Reckermann, Marcus, Rutgersson, Anna, Savchuk, Oleg P, Stendel, Martin, Tuomi, Laura, Viitasalo, Markku, Weisse, Ralf, Zhang, Wenyan

“…Based on the Baltic Earth Assessment Reports of this thematic issue in Earth System Dynamics and recent peer-reviewed literature, current knowledge of the…”
Get full text

Internal Ecosystem Feedbacks Enhance Nitrogen-fixing Cyanobacteria Blooms and Complicate Management in the Baltic Sea by Vahtera, Emil, Conley, Daniel J, Gustafsson, Bo G, Kuosa, Harri, Pitkänen, Heikki, Savchuk, Oleg P, Tamminen, Timo, Viitasalo, Markku, Voss, Maren, Wasmund, Norbert, Wulff, Fredrik

“…Eutrophication of the Baltic Sea has potentially increased the frequency and magnitude of cyanobacteria blooms. Eutrophication leads to increased sedimentation…”
Get full text

Model estimates of the impact of bioirrigation activity of Marenzelleria spp. on the Gulf of Finland ecosystem in a changing climate by Isaev, A.V., Eremina, T.R., Ryabchenko, V.A., Savchuk, O.P.

“…Drastic changes have occurred in the Eastern Gulf of Finland ecosystem after recent invasion and establishment of polychaete Marenzelleria spp. Possible…”
Get full text

The Baltic Sea a century ago — a reconstruction from model simulations, verified by observations by Savchuk, Oleg P., Wulff, Fredrik, Hille, Sven, Humborg, Christoph, Pollehne, Falk

“…“Pre-industrial” trophic conditions in the Baltic Sea were simulated with SANBALTS (Simple As Necessary BAltic Long-Term large Scale) model. External nutrient…”
Get full text

Modeling the Baltic Sea Eutrophication in a Decision Support System by Savchuk, Oleg P, Wulff, Fredrik

“…SANBALTS (Simple As Necessary Baltic Long-Term Large-Scale) is a model of the coupled nitrogen and phosphorus cycles. This model has been developed as an…”
Get full text

Management Options and Effects on a Marine Ecosystem: Assessing the Future of the Baltic by Wulff, Fredrik, Savchuk, Oleg P, Sokolov, Alexander, Humborg, Christoph, Mörth, Carl-Magnus

“…We are using the coupled models in a decision support system, Nest, to evaluate the response of the marine ecosystem to changes in external loads through…”
Get full text

Hypoxia in future climates: A model ensemble study for the Baltic Sea: HYPOXIA IN FUTURE CLIMATES by Meier, H. E. M., Andersson, H. C., Eilola, K., Gustafsson, B. G., Kuznetsov, I., Müller-Karulis, B., Neumann, T., Savchuk, O. P.

Get full text

Resolving the Baltic Sea into seven subbasins: N and P budgets for 1991–1999 by Savchuk, Oleg P.

“…Total nitrogen and phosphorus budgets based on more than 32,000 oceanographic stations have been constructed for the first time for all seven major marine…”
Get full text

The modeling of ecological effects of nutrients reduction in the Eastern part of the Gulf of Finland by Eremina, T. R., Savchuk, O. P., Isaev, A. V., Neelov, I. A.

“…One of the important tasks facing the Baltic Sea countries is the reduction of the nutrient loading of the coastal waters. According to recent estimates, 70%…”
Get full text

Searching Efficient Protection Strategies for the Eutrophied Gulf of Finland: The Combined Use of 1D and 3D Modeling in Assessing Long-term State Scenarios with High Spatial Resolution by Pitkänen, Heikki, Kiirikki, Mikko, Savchuk, Oleg P, Räike, Antti, Korpinen, Päivi, Wulff, Fredrik

“…An experiment combining the use of two ecosystem models was conducted to search for effective protection strategies for the Gulf of Finland (Baltic Sea)…”
Get full text

3D modeling the Baltic Sea ecosystem under different land loads by Ryabchenko, V.A., Neelov, I.A., Vankevich, R.E., Isaev, A.V., Savchuk, O.P., Eremina, T.E.

“…Two simulations of the Baltic Sea state under different nutrient land loads estimated within the MARE and the SEGUE projects were performed with the St…”
Get full text