Presentations 

• Zaslavsky, I., Samalavičius, V., Solovey, T. (2025). Transboundary Groundwater Modeling Using GRACE Downscaling and Machine Learning [Poster Session]. WWC 2025. Marrakesh, Marocco. https://worldwatercongress.com/wp-content/uploads/2025/12/Programme_Book_03-12-2025.pdf 

• Retike, I., Zaslavsky, I., Fernald, A., Atkins, A., Kirkpatrick, C., Tang, C., Solovey, T., Shevchenko, O., Samalavicius, V., & Jõeleht, A. (2025). GRANDE-U: Advancing Transboundary Groundwater Resilience Assessment with Satellite Data Downscaling and Data-Driven Approaches. Nordic Hydrological Conference NHC2025. Reykjavik, Iceland. 

• Zaslavsky, I., Samalavičius, V., Solovey, T., Brzezińska, A., Janica, R., Śliwińska-Bronowicz, J., Stradczuk, A., Bikše, J., Žaržojus, G., Kunsakova, A. (2025). Data-driven Modeling of Transboundary Aquifers in Conflict Zones: Challenges and Solutions from the GRANDE-U International Collaboration. EGU General Assembly 2025. Vienna, Austria. https://doi.org/10.5194/egusphere-egu25-7285 

• Samalavičius, V. (2025). Lithuanian Karst Region Hydrogeology: Available Data and Future Research Prospects. EGU General Assembly 2025. Vienna, Austria. https://doi.org/10.5194/egusphere-egu25-11761

• Vytautas Samalavicius, Jānis Bikše, Gintaras Žaržojus, Inga Retike, Ilya Zaslavsky, Assemzhan Kunsakova and Jurga Arustienė. (2025). Groundwater Level Imputation Using Machine Learning in the Transboundary Karst Region of Lithuania and Latvia. American Geophysical Union (AGU) Fall Meeting. New Orleans. 

• Assemzhan Kunsakova, Vytautas Samalavicius, Gintaras Žaržojus and Jurga Arustienė. (2025). Linking Groundwater Level Fluctuations to Hydrochemical Variability Using Remote Sensing Data. American Geophysical Union (AGU) Fall Meeting. New Orleans. 

• Gintaras Žaržojus, Vytautas Samalavicius, Sonata Gadeikienė, Saulius Gadeikis, Ieva Lekstutytė and Jurga Arustienė. (2025). Machine Learning Prediction of Oxygen-18 in Shallow Lithuanian Groundwater. American Geophysical Union (AGU) Fall Meeting. New Orleans. 

• Tatiana Solovey. (2025). GRANDE-U - Estimation of groundwater level and storage changes based on GRACE satellite data and GLDAS assimilation in the Bug River Transboundary Basin (PL-UA-BY borderland). CIS-GROUNDWATER WORKING GROUP MEETING. Warsaw, Poland. 

• Tatiana Solovey. (2025). A new era in groundwater resource monitoring – Remote Sensing, Machine Learning, Artificial Intelligence. Water Day. Polish Geological Institute. Warsaw, Poland. 

• Tatiana Solovey (2025). Using GRACE satellite data to analyse spatiotemporal variations of groundwater storage in the Bug Basin (Polish–Ukrainian–Belarusian borderland). GRACE Conference. Potsdam, Germany. 

• Justyna Śliwińska-Bronowicz, Tatiana Solovey, Rafał Janica, Anna Stradczuk and Agnieszka Brzezińska. (2025). Spatiotemporal variability of groundwater storage in Poland using downscaled GRACE data with consideration of hydrodynamic conditions. American Geophysical Union (AGU) Fall Meeting. New Orleans. 

• Śliwińska-Bronowicz J. Solovey T., Janica R., Brzezińska A. (2025). Climate-induced variations in water resources observed on a regional scale – a case study of Poland. EGU General Assembly. Vienna, Austria. 

• Tatiana Solovey (2025). Remote sensing’s role in improving transboundary groundwater monitoring and sustainable management: The Bug Basin, Polish-Ukrainian-Belarusian Borderland. EGU General Assembly. Vienna, Austria. 

• Solovey T., Śliwińska-Bronowicz J., Janica R., Stradczuk A., Brzezińska A. (2025). Assessing of groundwater storage changes in the Transboundary Bug River Basin (Polish-Ukrainian-Belarusian Borderland) based on downscaling of GRACE/GRACE-FO data with machine learning models. IAH 2025. Melbourne, Australia. 

• Solovey T., Śliwińska-Bronowicz J., Samalavičius V., Stradczuk A., Zaslavsky I. (2025). Using machine learning spatial downscaling of GRACE satellite data to analyse spatiotemporal variations of Groundwater Storage in the Bug Basin (Polish–Ukrainian–Belarusian borderland). XIX World Water Conference. Marrakesh, Morocco. 

• University of Cincinnati & University of California San Diego . (2025). Advanced Data Science for Water Resource Analysis and Management. World Water Congress. 

• Tatiana Solovey, Justyna Śliwińska-Bronowicz, Anna Stradczuk, Vytautas Samalavičius, Ilya Zaslavsky. (2025). Using machine learning spatial downscaling of GRACE satellite data to analyse spatiotemporal variations of groundwater storage in the Bug Basin (Polish–Ukrainian–Belarusian borderland). World Water Congress. 

• Dr. Inga Retike. (2025). Modelling groundwater resilience and vulnerability in the Baltic countries. World Water Congress. 

• Gholamreza Eslamifar, Ilya Zaslavsky, Hamid Balali, Vytautas Samalavičius and Alexander Fernald. (2025). Forecasting Groundwater Storage Changes: A Deep Learning Model Leveraging System Dynamics Simulation Data. International System Dynamics Conference 2025. Boston, Massachusetts, USA.  

• Alexander Fernald. (2026). Transcending Transboundary Groundwater Cooperation to Keep Our Taps On. Enhancing Action through Collaboration: One-Day Stakeholder Meeting, in connection with the High-level Preparatory Meeting for the 2026 United Nations Water Conference. Darkar, Senegal.

• Zaslavsky I., Samalavičius V., Solovey T., Brzezińska A., Janica R., Śliwińska-Bronowicz J., Stradczuk A., Bikše J., Žaržojus G., Kunsakova A. (2025). Data-driven Modeling of Transboundary Aquifers in Conflict Zones: Challenges and Solutions from the GRANDE-U International Collaboration. EGU 2025. Vienna, Austria. 

• Śliwińska-Bronowicz J. Solovey T., Janica R., Stradczuk A., Brzezińska A. (2025). Spatiotemporal variability of groundwater storage in Poland from downscaled GRACE data with consideration of hydrodynamic conditions (Poster). American Geophysical Union (AGU) Fall Meeting. New Orleans. 

• Śliwińska-Bronowicz J. Solovey T., Janica R., Brzezińska A., Stradczuk A. (2025). Transboundary groundwater monitoring based on in-situ observations and downscaled GRACE/GRACE-FO estimates: A case study of the Bug River Basin. IAG Scientific Assembly. Rimini, Italy. 

• Śliwińska-Bronowicz J. Solovey T., Janica R., Brzezińska A., Stradczuk A. (2025). Using GRACE satellite data to analyse spatiotemporal variations of groundwater storage in the Bug Basin (Polish–Ukrainian–Belarusian borderland). GRACE-FO 2025 Science Team Meeting. Virtual.

• Vytautas Samalavičius, Gintaras Žaržojus, Assemzhan Kunsakova, and Jurga Arustienė. (2025). Lithuanian Karst Region Hydrogeology: Available Data and Future Research Prospects (Poster). EGU General Assembly 2025. Vienna, Austria. 

• Gintaras Žaržojus, Vytautas Samalavičius, Eveliina Kukka-Maaria Vanhala, Ieva Lekstutytė, Sonata Gadeikienė, and Saulius Gadeikis. (2025). Machine learning applications in hydrogeology, the case study of Lithuanian soils' hydraulic conductivity (Poster). EGU General Assembly 2025. Vienna, Austria. 

• Jānis Bikše, Ezra Haaf, and Inga Retike. (2025). Groundwater dynamics across borders: data and monitoring network challenges in the Baltic countries. EGU General Assembly 2025. Vienna, Austria. 

• Gustavs Jorens Baumanovskis, Jānis Bikše, Inga Retike, Normunds Stivriņš, Latvia, University of Latvia (LU). (2025). Impacts of drainage ditch deepening on fen hydrogeology and restoration scenarios using MODFLOW. EcoTech. Virtual. 

• Moderators: Rūta Ozola-Davidāne, Inga Retiķe. (2025). "Innovations for Water and Nutrient Resilience" project group session. EcoTech. Virtual. 

• Normunds Stivrins, Janis Bikše, Sabīna Alta, Inga Grīnfelde. (2025). Groundwater level dynamics in extracted peatland: assessing potential for recultivation. EcoTech. Virtual. 

• Tatiana Solovey & Tao Cui. (2025). Special Session: Hydrogeodesy & Remote Sensing in Groundwater Research. IAH 2025. Melbourne, Australia.

• Inga Retike & Janis Bikse. (2025). Spring monitoring-connecting science, policy and citizens. IAH 2025. Melbourne, Australia.

• Zaslavsky, I., Fernald, A., Atkins, A., Kirkpatrick, C., Tang, C., Solovey, T., Shevchenko, O., Retike, I., Samalvicius, V., & Jõeleht, A. (2024). GRANDE-U: International Collaboration on Transboundary Groundwater Modeling Using Satellite Data Downscaling and AI Integration. American Geophysical Union (AGU) Fall Meeting. Washington, D.C. 

• Retike, I., Bikše, J., & The GRANDE-U Project Team. (2024). Integrating Springs into Transboundary Aquifer Management. American Geophysical Union (AGU) Fall Meeting. Washington, D.C.

• Bikše, J., Retike, I., Haaf, E., & The GRANDE-U Project Team. (2024). Exploring Groundwater Memory Effects: Drought Susceptibility in Transboundary Aquifers of the Baltic Region. American Geophysical Union (AGU) Fall Meeting. Washington, D.C. 

• Fernald, A., Mijares, C., Torres, J.,  Mashaly, A., Preciado, J., Sabie, B., Balali, H., Eslamifar, R., & Maxwell, C. (2024). WRRI Programs and Projects. The 69th Annual New Mexico Water Conference. Pojoaque, New Mexico. 

• Kirkpatrick, C. (2024). MERGE Initiative Convening. MERGE. NYC, New York. 

• Tang, C. (2024). Towards Tilling Trust in Transboundary Groundwater Cooperation. The 42nd International System Dynamics Conference (ISDC 2024). Bergen, Norway.