position: Assistant profesor
email: aleksandra@iopan.pl
laboratory
Research Interests
marine biogeochemistry
carbon cycling in the marine environment
submarine groundwater discharge
Projects
Security and management of Coastal groundwater resources and marine ecosystem services (SecuCoast), Investigator, 2025- currently;
Nitrogen gain and loss in changing coastal lagoon ecosystems of the Baltic Sea (GLOB), Investigator, 2025 – currently;
Investigation of seasonal variability of the water column and sediment DEnitrificAtion and anammox in the BaLtic Sea (IDEAL), Investigator, 2020-currently
Submarine Groundwater Discharge in a Changing Arctic: Scale and Biogeochemical Impact (ArcticSGD) ,the Norwegian Financial Mechanism 2014 – 2021, the EEA and Norway Grants, Investigator, 2020-2025.
Modelling of the impact of the agricultural holdings and land-structure on the quality of inland and coastal waters of the Baltic Sea set up on the example of the Municipality of Puck region – Integrated info-prediction Web Service WaterPUCK, Investigator, 2017-2020;
Structure and functioning of the acid-base system in the Baltic Sea (SALSA), Investigator, 2016-2019;
Assessment of the groundwater discharge as a source of pharmaceuticals residues in the marine environment of the Bay of Puck (Pharmseepage), Investigator, 2016-2019;
Benthic fauna functioning in the sea ice zone in the changing Arctic Ocean in spring time (SeaIceFun), Investigator, 2016-2018;
Remobilization of mercury from land into the sea under the influence of anomal meteorological-hydrological events, Investigator, 2016-2018;
Assesment of influence of organic compounds on acid-base system in the Baltic Sea (DOMINO), Investigator, 2015-2018;
Source and transformations of Chromophoric Dissolved Organic Matter and its role in surface ocean heting and carbon cycling in Nordic Seas and European Arctic (CDOM-HEAT), Invesitigator, 2013-2016;
Spatial variability of benthic food web – structure and functioning of Arctic communities of low and high diversity, Investigator, 2013-2016;
Increasing school pupils' competence in the field of mathematics, natural and technical sciences with the application of innovative methods and technologies (EduScince) Investigator, 2013-2014;
Growing of the Arctic Marine Ecosystem (GAME), Investigator, 2012-2015;
Determination of the carbon burial rates in the Baltic Sea bottom sediments, Investigator, 2010-2012;
Building predicitive capability regarding the Baltic Sea organic/inorganic carbon and oxygen systems BALTIC-C, BONUS Plus/EU FP7, Investigator, 2008-2011.
Publications
Sivasamy, P.; Diak, M.; Winogradow, A.; Bange, H. W.; Borecka, M.; Makuch, P.; Koziorowska-Makuch, K.; Kuliński, K.; Mackiewicz, A.; Szymczycha, B., Spatial and seasonal variability of excess dinitrogen gas in the Baltic Sea. Frontiers in Marine Science 2025, 12, 1455803.
Loginova A.N., Wünsch U.J., Zabłocka M., Cherkasheva A., Szymczycha B., Kuliński K., Winogradow A., Kowalczuk P., 2024. Qualitative variability of dissolved organic matter in the Baltic Sea sediments apparent from fluxes and optical properties. Frontiers in Marine Science 11, 1433199.
Szymczycha B., Böttcher M.E., Diak M., Koziorowska-Makuch K., Kuliński K., Makuch P., von Ahn C.M.E., Winogradow A., 2023. The benthic-pelagic coupling affects the surface water carbonate system above groundwater-charged coastal sediments. Frontiers in Marine Science, DOI: 10.3389/fmars.2023.1218245
Diak M., Böttcher M.E., Ehlert von Ahn C.M., Hong W-L., Kędra M., Kotwicki L., Koziorowska-Makuch K., Kuliński K., Lepland A., Makuch P., Sen A., Winogradow A., Silberberger M.J., Szymczycha B., 2023. Permafrost and groundwater interaction: current state and future perspective. Front. Earth Sci. 11:1254309.
Oleszczuk B., Silberberger M.J., Grzelak K., Winogradow A., Dybwad Ch., Peeken I., Wiedmann I., Kędra M., 2023. Macrofauna and meiofauna food-web structure from Arctic fjords to deep Arctic Ocean during spring: A stable isotope approach. Ecological Indicators 154, 110487.
Matej-Łukowicz K., Wojciechowska E., Kolerski T., Nawrot N., Kuliński K., Winogradow A., 2023. Sources of contamination in sediments of retention tanks and the influence of precipitation type on the size of pollution load. Scientific Reports 13(1), 8884.
Matej-Łukowicz K., Wojciechowska E., Strycharz J., Szubska M., Kuliński K., Bełdowski J., Winogradow A., 2021. Can bottom sediments be a prospective fertilizing material? A chemical composition analysis for potential reuse in agriculture. Materials 14(24), 7685.
Pouch A., Zaborska A., Mazurkiewicz M., Winogradow A., Pazdro K., 2021. PCBs, HCB and PAHs in the seawater of Arctic fjords – Distribution, sources and risk assessment. Marine Pollution Bulletin 164, 111980.
Stokowski M., Winogradow A., Szymczycha B., Carstensen J., Kuliński K., 2021. The CO2 system dynamics in the vicinity of the Vistula River mouth (the southern Baltic Sea): A baseline investigation. Estuarine, Coastal and Shelf Science 258, 107444.
Winogradow A., Pempkowiak J., 2020. Identifying recent sources and fate of sedimentary nitrogen in the Baltic Sea based on organic matter elemental composition and nitrogen and carbon stable isotopes ratios. Marine Pollution Bulletin 160, 111622.
Zabłocka M., Kowalczuk P., Meler J., Peeken I., Dragańska-Deja K., Winogradow A., 2020. Compositional differences of fluorescent dissolved organic matter in Arctic Ocean spring sea ice and surface waters north of Svalbard. Marine Chemistry 227(20), 103893.
Winogradow A., Mackiewicz A., Pempkowiak J., 2019. Seasonal changes in particulate organic matter (POM) concentrations and properties measured from deep areas of the Baltic Sea. Oceanologia 61(4), 505-521.
Szymczak-Żyła M., Krajewska M., Witak M., Ciesielski T.M., Ardelan M.V., Jenssen M., Goslar T., Winogradow A., Filipkowska A., Lubecki L., Zamojska A., Kowalewska G., 2019. Present and Past‐Millennial Eutrophication in the Gulf of Gdańsk (Southern Baltic Sea). Paleoceanography and Paleoclimatology, 34(2): 136-152.
Winogradow A., Pempkowiak J., 2018. Characteristics of sedimentary organic matter in coastal and depositional areas in the Baltic Sea. Estuarine, Coastal and Shelf Science 204, 66-75.
Siedlewicz G., Białk-Bielińska A., Borecka M., Winogradow A., Stepnowski P., Pazdro K., 2018. Presence, concentrations and risk assessment of selected antibiotic residues in sediments of southern Baltic Sea-3 years studies summary. Marine Pollution Bulletin 129, 2: 787-801.
Szymczycha B., Kłostowska Ż., Kuliński K. Winogradow A., Jakacki J., Klusek Z., Grabowski M., Brodecka-Goluch A., Graca B., Stokowski M., Koziorowska K., Rak D., 2018. Deep submarine groundwater discharge indicated by pore water chloride anomalies in the Gulf of Gdańsk, southern Baltic Sea. E3S Web of Conferences 54, 00035.
Zaborska A., Włodarska-Kowalczuk M., Legeżyńska J., Jankowska E., Winogradow A., Deja K., 2018. Sedimentary organic matter sources, benthic consumption and burial in west Spitsbergen fjords – Signs of maturing of Arctic fjordic systems?. Journal of Marine Systems 180, 112-123,
Szymczak-Żyła M., Krajewska M., Winogradow A., Zaborska A., Breedveld G.D., Kowalewska G., 2017. Tracking trends in eutrophication based on pigments in recent coastal sediments. Oceanologia 59(1), 1-17.
Szymczycha B., Winogradow A., Kuliński K., Koziorowska K., Pempkowiak J., 2017. Diurnal and seasonal DOC and POC variability in the land-locked sea. Oceanologia 59, 3, 379-388. DOI: 10.1016/j.oceano.2017.03.008
Grzelak K., Głuchowska M., Gregorczyk K., Winogradow A., Węsławski J.M., 2016. Nematode biomass and morphometric attributes as biological indicators of local environment conditions in Arctic fjords. Ecological Indicators 69, 368-380.
Winogradow A., Pempkowiak J., 2014. Organic carbon burial rates in the Baltic Sea sediments. Estuarine, Coastal and Shelf Science 138, 27-36.
Szymczycha B., Maciejewska A., Szczepańska A., Pempkowiak J., 2014. Could the Submarine Groundwater Discharge be a significant carbon source to the southern Baltic Sea?. Oceanologia 56(2), 327-347.
Zaborska A., Winogradow A., Pempkowiak J., 2012. Caesium-137 distribution, inventories and accumulation history in the Baltic Sea sediments. Journal of Environmental Radioactivity 127, 11-25.
Szczepańska A., Zaborska A., Maciejewska A., Kuliński K., Pempkowiak J. 2012. Distribution and origin of organic matter in the Baltic sediment cores dated with 210Pb and 137Cs. Geochronometria 39 (1), 1-9.
Szczepańska A., Zaborska A., Pempkowiak J., 2009. Sediment Accumulation Rate in the Gotland Deep, Baltic Proper Obtained by 210Pb and 137Cs Methods. Annual Environmental Protection 11, 77-85.
Awards
An award for the best scientific project organized by the Pomeranian Voideship, "Innovative PhD student, IV edition", funded by the Pomeranian Province Marschal Office, 2012.
An award for the best student poster at the 6th Study Conference on BALTEX, "Determination of carbon return flux from the Baltic bottom sediments", Szczepańska A., Kuliński K., Pempkowiak J., 2010.
laboratory