2023– present: PhD candidate at the Department of Marine Chemistry and Biochemistry, Institute of Oceanology Polish Academy of Sciences;
2020–2023: Project Associate at the Geological Oceanographic Division, CSIR-National Institute of Oceanography, India;
2019–2020: PG Diploma in Petroleum Exploration at the Department of Earth Sciences, Annamalai University, India;
2015–2020: MSc in Geology at the Department of Earth Sciences, Annamalai University, India.
Research Interests
Marine Nitrogen Cycle – Denitrification and Anammox in the Baltic Sea
Role of Submarine Groundwater Discharge (SGD) in Coastal Nitrogen Loss
Sediment dating – 210Pb
PhD Topic
Determination of the water column and sediment nitrogen removal pathways in the Baltic Sea (Supervisors: Dr. hab. Beata Szymczycha, Dr. Eng. Magdalena Diak)
Projects
IDEAL: Investigation of seasonal variability of the water column and sediment DEnitrificAtion and anammox in the BaLtic Sea (Principal Investigator: Dr. hab. Beata Szymczycha)
Honours and Awards
2025 - Travel grant for EGU25 conference - from jUŚt project, University of Silesia, Poland;
2024 - Scholarship award - STER NAWA “International from the beginning”, Poland;
2023 - Doctoral scholarship award from IDEAL project - NCN, Poland;
2020 - University Rank Holder - Annamalai University, India.
Publications
Sivasamy P, Diak M, Winogradow A, Bange HW, Borecka M, Makuch P, Koziorowska-Makuch K, Kulin´ ski K, Mackiewicz A and Szymczycha B (2025) Spatial and seasonal variability of excess dinitrogen gas in the Baltic Sea. Front. Mar. Sci. 12:1455803. doi: 10.3389/fmars.2025.1455803”
Sivasamy P, Diak M, Szymczycha B (2025) Sedimentary nitrogen removal processes across coastal, lagoon and open waters of the marginal sea – Baltic (In preparation)”
Conferences and schools
2025 – International Sediment Water Interactions Summer School, University of Lille, Wimereux - France
2025 – Baltic Sea Science Congress (BSSC 2025), Sopot – Poland
Presentation title: Nitrogen removal processes in coastal and deep sediments of the Baltic Sea
Authors: Pratha Sivasamy, Magdalena Diak, Piotr Prusiński, Beata Szymczycha
2025 – European Geosciences Union (EGU25), Vienna – Austria
Presentation title: Sedimentary nitrogen removal processes across coastal, lagoon and open waters of the Baltic Sea
Authors: Pratha Sivasamy, Magdalena Diak, Beata Szymczycha
2025 – Ocean Society of India (OSICON-2025), India
Presentation title: Impact of submarine groundwater discharge (SGD) on sedimentary denitrification in the Puck Bay, Southern Baltic Sea
Authors: Pratha Sivasamy, Magdalena Diak, Piotr Prusiński, Beata Szymczycha
2024 - 5th Baltic Earth Conference, Latvia
Presentation title: Seasonal investigation of nitrogen removal pathways in the Baltic Sea water column
Authors: Pratha Sivasamy, Magdalena Diak, Aleksandra Winogradow, Piotr Prusiński, Anna Mackiewicz, Przemysław Makuch, Katarzyna Koziorowska-Makuch, Karol Kuliński, Beata Szymczycha
2024 – 6th International Baltic Earth Winter School for Young Scientists on “Earth System Science for the Baltic Sea Region”, Poland
laboratory