• Kourakos, G., T. Harter (2024) Estimation of Model Uncertainty in View of the Groundwater Sustainability Indicators. Toward Sustainable Groundwater in Agriculture, San Fransisco, 17-20 Jun. (link to poster).

• Kourakos, G., Z. Cao, T. Harter, H.E. Dahlke (2023), Stochastic Simulation of Groundwater Age Using Transient Large Scale Integrated Modelling Frameworks, Abstract H11U-1513 presented at 2023 Fall Meeting, AGU, San Francisco, CA and Online Everywhere, 11-15 Dec (link to poster).

• Kourakos, G., T. Harter (2023), Application of Virtual Reality Visualization in Integrated Groundwater Modeling, Abstract IN43B-0628 presented at 2023 Fall Meeting, AGU, San Francisco, CA and Online Everywhere, 11-15 Dec (link to poster).

• Harter, T., G. Kourakos, C.C. Faunt, J. Traum (2023), Comparison of Two Integrated Groundwater-Surface Water Simulation Frameworks for Irrigated Food Production in Highly Developed Water Management Regions. Abstract H13Q-1718 presented at 2023 Fall Meeting, AGU, San Francisco, CA and Online Everywhere, 11-15 Dec (link to poster).

• Harter, T., Kourakos, G. (2023), Mantis: A Server Application for Simulating Multi-Century Nitrate and Salt Transport Scenarios in Regional Groundwater Basins. Abstract GC41F-1175 presented at 2023 Fall Meeting, AGU, San Francisco, CA and Online Everywhere, 11-15 Dec (link to poster).

• Cao, Z., Kourakos, G., T. Harter (2023), Hydrogeologic Model Calibration based on Tracer Data in the Central Valley, California. Abstract HC41H-1847 presented at 2023 Fall Meeting, AGU, San Francisco, CA and Online Everywhere, 11-15 Dec.

• Kourakos, G. , H.J. Morel-Seytoux, C. Dogrul, T. Kadir, H.E., Dahlke (2022) Asymmetric quantification of stream-groundwater interaction based on Stream Aquifer Flow Exchange (SAFE) method. Abstract H41C-03 presented at 2022 Fall Meeting, AGU, Chicago, IL and Online Everywhere, 12-16 Dec. (link to virtual poster).

• Cao, Z., C Kourakos, G. , C.V. Henri, T. Harter (2022) Nitrate Validation for Non-point Source Assessment Tool in the Central Valley, California. Abstract H45O-1581 presented at 2022 Fall Meeting, AGU, Chicago, IL and Online Everywhere, 12-16 Dec. (link to virtual poster).

• Kourakos, G. , T. Harter (2021) Methods and challenges of merging heterogenous data for development of large scale nitrate simulation models. Abstract H45Y-02 presented at 2021 Fall Meeting, AGU, New Orleans LA and Online Everywhere , 13-17 Dec. (link to virtual poster).

• Kourakos, G. , D. Bigelow, S. Wallander, H.E., Dahlke (2021) A multi-objective optimization framework for Agricultural Managed Aquifer Recharge. Abstract H25I-1138 presented at 2021 Fall Meeting, AGU, New Orleans LA and Online Everywhere, 13-17 Dec. (link to virtual poster).

• Cao, Z., Kourakos. G. , B.C. Jurgens, K.E. Faulkner, C.V. Henri, T. Harter (2021) Age Validation for Nonpoint Source Assessment Tool in Central Valley, California. Abstract H15A-1037 presented at 2021 Fall Meeting, AGU, New Orleans LA and Online Everywhere, 13-17 Dec (link to virtual poster).

• Kourakos, G. , T. Harter, H.E., Dahlke (2020) Ichnos: An efficient node based stochastic particle tracking algorithm. Abstract H090-0015 presented at 2020 Fall Meeting, AGU, Washington, D.C., 1-17 Dec. (link to virtual poster).

• Kourakos, G. , H.E., Dahlke, T. Harter (2018), Effects of Agricultural Managed Aquifer Recharge on Groundwater Availability in Irrigated Basins, Abstract H23J-2034 presented at 2018 Fall Meeting, AGU, Washington, D.C., 10-14 Dec.

• Harter, T., G., Kourakos, M., Bastani, C.V.Henri (2018), High-Resolution Simulation of Nonpoint Source Pollution in Groundwater Basins using a Parallel Adaptive Mesh Refinement Method, Abstract H43I-2581 presented at 2018 Fall Meeting, AGU, Washington, D.C., 10-14 Dec.

• Kourakos, G., K. Nikolaou, C. Andrikopoulos, M. Gkini (2018), Flood Risk Assessment from Dam Failure based on 2007/60/EC European Flood Directive: A case study on Kelefinas Dam in Greece, Abstract PA53C-0802 presented at 2018 Fall Meeting, AGU, Washington, D.C., 10-14 Dec.

• Harter T., K. Dzurella, A. Bell, G. Kourakos, (2015), Field Scale Groundwater Nitrate Loading Model for the Central Valley, California, 1945-Current, Abstract H11F-1421 presented at 2018 Fall Meeting, San Francisco, California, USA.

• Kourakos, G., and T., Harter (2014), Simulation of nonpoint source contamination based on adaptive mesh refinement. American Geophysical Union, Fall meeting 2014, San Francisco, California, USA.

• Kourakos, G., and T., Harter (2013), A Validation Framework for Non-Point Source Simulation Models: Application to the Southern California Central Valley with Spatio-Temporally Heterogenous Source Rates. American Geophysical Union, Fall meeting 2013, San Francisco, California, USA.

• Harter, T., G., Kourakos, A., King, D., Boyle (2013), Spatially Distributed Stochastic Modeling of Non-Point  Source Pollutants in Groundwater. International Interdisciplinary Conference on Land Use and Water Quality, The Hague, the Netherlands June 2013.

• Mantoglou, A., and G. Kourakos (2013), An Efficient Simulation-Optimization Coupling for Management of Coastal Aquifers, American Geophysical Union, Fall meeting 2013, San Francisco, California, USA.

• Kourakos G., and T. Harter (2012), Streamline simulation of Non Point Source Pollution in unconfined aquifers based on iterative moving mesh and domain decomposition methods. American Geophysical Union, Fall meeting 2012, San Francisco, California, USA.

• Kourakos G. and T. Harter (2012), Simulation of non-point source pollution based on substructuring domain decomposition methods. Gordon Research Conferences, Flow & Transport in Permeable Media, Les Diablerets, Switzerland, June 24-29.

• Kourakos G., and T. Harter (2012), A semi-stochastic approach to Non-point Source Pollution in large groundwater basins : Application to Southern Central Valley, California. National Groundwater Association, Groundwater Summit – Innovate and Integrate, Garden Grove, California, USA, May 6-10.

• Mantoglou A., and G. Kourakos (2011), Coastal aquifer management based on surrogate models and multi-objective optimization. American Geophysical Union, Fall meeting 2011, San Francisco, California, USA.

• Kourakos G., and T. Harter (2011), Validation and future predictions based on a new Non-Point Source Assesment Toolbox, applied to the Central Valley, California. American Geophysical Union, Fall meeting 2011, San Francisco, California, USA.

• Kourakos, G., Klein F., and Harter T. (2010) A Quasi-3D transport model for simulation of non-point source contamination in large domainsAmerican Geophysical Union, Fall meeting 2010, San Francisco, December 13-17.