Ινστιτούτο Εδαφοϋδατικών Πόρων

Evangelos Tziritis

Principal Research Scientist

Environmental Hydrogeochemistry

Email: e.tziritis@elgo.gr

Phone: 2310 473429 | Int: 302

Dr Evangelos Tziritis is a Geologist and Principal Research Scientist at the Soil and Water Resources Institute of ELGO-DIMITRA, specialising in environmental hydrogeochemistry and integrated water resources management. His research focuses on advanced methodologies for understanding and predicting groundwater salinization, modelling complex geochemical processes, and developing integrated and digitally supported monitoring and risk assessment frameworks for vulnerable aquifer systems. He is actively engaged in major European research initiatives (Horizon, PRIMA, LIFE), collaborating with universities, policy institutions and industry stakeholders. He has published a broad range of studies in international peer-reviewed journals, reflecting sustained research activity and supporting the development of modern approaches to water quality assessment and sustainable management. Passionate about innovation, collaboration and sustainability, he seeks meaningful partnerships with professionals committed to addressing contemporary and asymmetric water challenges (including climate extremes, complex salinization processes and pressures from emerging contaminants).

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Fidelibus, M. D., Balacco, G., Alfio, M. R., Arfaoui, M., Bassukas, D., Güler, C., Hamzaoui-Azaza, F., Külls, C., Panagopoulos, A., Parisi, A., Sachsamanoglou, E., & Tziritis, E. (2025). A chloride threshold to identify the onset of seawater/saltwater intrusion and a novel categorization of groundwater in coastal aquifers. Journal of Hydrology, 653. https://doi.org/10.1016/j.jhydrol.2025.132775

Tziritis, E., Sachsamanoglou, E., & Güler, C. (2024). Evaluating spatiotemporal groundwater quality changes in the Rhodope coastal aquifer system (NE Greece) employing a GIS-assisted hybrid approach of multivariate statistics and inverse geochemical modeling. Science of the Total Environment, 947. https://doi.org/10.1016/j.scitotenv.2024.174676

Tziritis, E., Sachsamanoglou, E., & Dolores Fidelibus, M. (2024). Assessment of Groundwater Salinization Using Combined Hydrogeochemical Tools: The Case of Rhodope Aquifer (NE Greece). Advances in Science, Technology and Innovation, 65–67. https://doi.org/10.1007/978-3-031-47079-0_15

Sachsamanoglou, E., Tziritis, E., & Dalampakis, P. (2024). Preliminary Evaluation of the Geothermal Influence on the Hydrogeochemistry of Rhodopes’ Coastal Aquifer (NE Greece). Advances in Science, Technology and Innovation, 53–55. https://doi.org/10.1007/978-3-031-47079-0_12

Tziachris, P., Nikou, M., Aschonitis, V., Kallioras, A., Sachsamanoglou, K., Fidelibus, M. D., & Tziritis, E. (2023). Spatial or Random Cross-Validation? The Effect of Resampling Methods in Predicting Groundwater Salinity with Machine Learning in Mediterranean Region. Water (Switzerland), 15(12). https://doi.org/10.3390/w15122278

Tziritis, E., Sachsamanoglou, E., & Aschonitis, V. (2023). Assessing Groundwater Evolution with a Combined Approach of Hydrogeochemical Modelling and Data Analysis: Application to the Rhodope Coastal Aquifer (NE Greece). Water (Switzerland), 15(2). https://doi.org/10.3390/w15020230

Pisinaras, V., Herrmann, F., Panagopoulos, A., Tziritis, E., McNamara, I., & Wendland, F. (2023). Fully Distributed Water Balance Modelling in Large Agricultural Areas—The Pinios River Basin (Greece) Case Study. Sustainability (Switzerland), 15(5). https://doi.org/10.3390/su15054343

Vrouhakis, I., Tziritis, E., Stamatis, G., & Panagopoulos, A. (2022). Groundwater Vulnerability Analysis of Tirnavos Basin, Central Greece: An Application of RIVA Method. Water (Switzerland), 14(4). https://doi.org/10.3390/w14040534

Kypritidou, Z., El-Bassi, L., Jellali, S., Kinigopoulou, V., Tziritis, E., Akrout, H., Jeguirim, M., & Doulgeris, C. (2022). Lead removal from aqueous solutions by olive mill wastes derived biochar: Batch experiments and geochemical modelling. Journal of Environmental Management, 318. https://doi.org/10.1016/j.jenvman.2022.115562

Kypritidou, Z., Doulgeris, C., Tziritis, E., Kinigopoulou, V., Jellali, S., & Jeguirim, M. (2022). Geochemical Modelling of Inorganic Nutrients Leaching from an Agricultural Soil Amended with Olive-Mill Waste Biochar. Agronomy, 12(2). https://doi.org/10.3390/agronomy12020480

Tziritis, E., & Panagopoulos, A. (2022). Geo-Environmental Approaches for the Analysis and Assessment of Groundwater Resources at the Catchment Scale. Water (Switzerland), 14(7). https://doi.org/10.3390/w14071085

Chronidou, D., Tziritis, E., Panagopoulos, A., Oikonomou, E. K., & Loukas, A. (2022). A Modified GALDIT Method to Assess Groundwater Vulnerability to Salinization—Application to Rhodope Coastal Aquifer (North Greece). Water (Switzerland), 14(22). https://doi.org/10.3390/w14223689

Panagiotou, C. F., Kyriakidis, P., & Tziritis, E. (2022). Application of geostatistical methods to groundwater salinization problems: A review. Journal of Hydrology, 615. https://doi.org/10.1016/j.jhydrol.2022.128566

Demertzi, K., Pisinaras, V., Lekakis, E., Tziritis, E., Babakos, K., & Aschonitis, V. (2021). Assessing annual actual evapotranspiration based on climate, topography and soil in natural and agricultural ecosystems. Climate, 9(2), 1–16. https://doi.org/10.3390/cli9020020

Tziritis, E., Pisinaras, V., Panagopoulos, A., & Arampatzis, G. (2021). RIVA: a new proposed method for assessing intrinsic groundwater vulnerability. Environmental Science and Pollution Research, 28(6), 7043–7067. https://doi.org/10.1007/s11356-020-10872-3

Marks, E., Akrout, H., Kinigopoulou, V., Doulgeris, C., Jellali, S., Rad, C., Zulueta, P. S., Tziritis, E., El-Bassi, L., & Jeguirim, M. (2021). Olive Mill Wastes in the Mediterranean: An Initial Assessment of Organic Matter and Nutrients of Agricultural Value. Environmental Science and Engineering, 1097–1101. https://doi.org/10.1007/978-3-030-51210-1_172

Vrouhakis, I., Tziritis, E., Panagopoulos, A., & Stamatis, G. (2021). Hydrogeochemical and hydrodynamic assessment of tirnavos basin, central greece. Water (Switzerland), 13(6). https://doi.org/10.3390/w13060759

Doulgeris, Ch., Pisinaras, V., Argyroudi, A., Tziritis, E., Hatzigiannakis, E., & Panagopoulos, A. (2020). Impacts on water level fluctuation in lake vegoritida: Insights for the historical and projected climate period. Desalination and Water Treatment, 194, 358–368. https://doi.org/10.5004/dwt.2020.25756

Barzegar, R., Asghari Moghaddam, A., Tziritis, E., Adamowski, J., Bou Nassar, J., Noori, M., Aalami, M. T., & Kazemian, N. (2020). Exploring the hydrogeochemical evolution of cold and thermal waters in the Sarein-Nir area, Iran using stable isotopes (δ18O and δD), geothermometry and multivariate statistical approaches. Geothermics, 85. https://doi.org/10.1016/j.geothermics.2020.101815

Rezaei, A., Hassani, H., Tziritis, E., Fard Mousavi, S. B., & Jabbari, N. (2020). Hydrochemical characterization and evaluation of groundwater quality in Dalgan basin, SE Iran. Groundwater for Sustainable Development, 10. https://doi.org/10.1016/j.gsd.2020.100353

Marks, E. A. N., Kinigopoulou, V., Akrout, H., Azzaz, A. A., Doulgeris, C., Jellali, S., Rad, C., Zulueta, P. S., Tziritis, E., El-Bassi, L., Ghimbeu, C. M., & Jeguirim, M. (2020). Potential for production of biochar-based fertilizers from olive millwaste in mediterranean basin countries: An initial assessment for Spain, Tunisia, and Greece. Sustainability (Switzerland), 12(15). https://doi.org/10.3390/su12156081

Fijani, E., Barzegar, R., Deo, R., Tziritis, E., & Konstantinos, S. (2019). Design and implementation of a hybrid model based on two-layer decomposition method coupled with extreme learning machines to support real-time environmental monitoring of water quality parameters. Science of the Total Environment, 648, 839–853. https://doi.org/10.1016/j.scitotenv.2018.08.221

Arampatzis, G., Pisinaras, V., Doulgeris, C., Tziritis, E., Sismani, G., & Panagopoulos, A. (2019). ESTIMATING EROSION ON TWO MEDITERRANEAN WATERSHEDS OF DIFFERENT HYDROLOGICAL REGIMES. In C. L (Ed.), Proceedings of the IAHR World Congress (pp. 4477–4485). International Association for Hydro-Environment Engineering and Research. https://doi.org/10.3850/38WC092019-1292

Barzegar, R., Asghari Moghaddam, A., Soltani, S., Baomid, N., Tziritis, E., Adamowski, J., & Inam, A. (2019). Natural and anthropogenic origins of selected trace elements in the surface waters of Tabriz area, Iran. Environmental Earth Sciences, 78(8). https://doi.org/10.1007/s12665-019-8250-z

Barzegar, R., Asghari Moghaddam, A., Soltani, S., Fijani, E., Tziritis, E., & Kazemian, N. (2019). Heavy Metal(loid)s in the Groundwater of Shabestar Area (NW Iran): Source Identification and Health Risk Assessment. Exposure and Health, 11(4), 251–265. https://doi.org/10.1007/s12403-017-0267-5

Barzegar, R., Moghaddam, A. A., Deo, R., Fijani, E., & Tziritis, E. (2018). Mapping groundwater contamination risk of multiple aquifers using multi-model ensemble of machine learning algorithms. Science of the Total Environment, 621, 697–712. https://doi.org/10.1016/j.scitotenv.2017.11.185

Pisinaras, V., Panagopoulos, A., Herrmann, F., Bogena, H. R., Doulgeris, C., Ilias, A., Tziritis, E., & Wendland, F. (2018). Hydrologic and geochemical research at pinios hydrologic observatory: Initial results. Vadose Zone Journal, 17(1). https://doi.org/10.2136/vzj2018.05.0102

Esmaeili, S., Asghari Moghaddam, A., Barzegar, R., & Tziritis, E. (2018). Multivariate statistics and hydrogeochemical modeling for source identification of major elements and heavy metals in the groundwater of Qareh-Ziaeddin plain, NW Iran. Arabian Journal of Geosciences, 11(1). https://doi.org/10.1007/s12517-017-3317-1

Arampatzis, G., Panagopoulos, A., Pisinaras, V., Tziritis, E., & Wendland, F. (2018). Identifying potential effects of climate change on the development of water resources in Pinios River Basin, Central Greece. Applied Water Science, 8(2). https://doi.org/10.1007/s13201-018-0690-1

Soltani, S., Asghari Moghaddam, A., Barzegar, R., Kazemian, N., & Tziritis, E. (2017). Hydrogeochemistry and water quality of the Kordkandi-Duzduzan plain, NW Iran: application of multivariate statistical analysis and PoS index. Environmental Monitoring and Assessment, 189(9). https://doi.org/10.1007/s10661-017-6171-4

Barzegar, R., Asghari Moghaddam, A., & Tziritis, E. (2017). Hydrogeochemical features of groundwater resources in Tabriz plain, northwest of Iran. Applied Water Science, 7(7), 3997–4011. https://doi.org/10.1007/s13201-017-0550-4

Tziritis, E., & Lombardo, L. (2017). Estimation of intrinsic aquifer vulnerability with index-overlay and statistical methods: the case of eastern Kopaida, central Greece. Applied Water Science, 7(5), 2215–2229. https://doi.org/10.1007/s13201-016-0397-0

Barzegar, R., Asghari Moghaddam, A., & Tziritis, E. (2017). Erratum to: Assessing the hydrogeochemistry and water quality of the Aji-Chay River, northwest of Iran (Environmental Earth Sciences, (2016), 75, 23, (1486), 10.1007/s12665-016-6302-1). Environmental Earth Sciences, 76(15). https://doi.org/10.1007/s12665-017-6837-9

Tziritis, E. P., Datta, P. S., & Barzegar, R. (2017). Characterization and Assessment of Groundwater Resources in a Complex Hydrological Basin of Central Greece (Kopaida basin) with the Joint Use of Hydrogeochemical Analysis, Multivariate Statistics and Stable Isotopes. Aquatic Geochemistry, 23(4), 271–298. https://doi.org/10.1007/s10498-017-9322-x

Barzegar, R., Fijani, E., Asghari Moghaddam, A., & Tziritis, E. (2017). Forecasting of groundwater level fluctuations using ensemble hybrid multi-wavelet neural network-based models. Science of the Total Environment, 599–600, 20–31. https://doi.org/10.1016/j.scitotenv.2017.04.189

Barzegar, R., Moghaddam, A. A., Tziritis, E., Fakhri, M. S., & Soltani, S. (2017). Identification of hydrogeochemical processes and pollution sources of groundwater resources in the Marand plain, northwest of Iran. Environmental Earth Sciences, 76(7). https://doi.org/10.1007/s12665-017-6612-y

Filippidis, A., Tziritis, E., Kantiranis, N., Tzamos, E., Gamaletsos, P., Papastergios, G., & Filippidis, S. (2016). Application of Hellenic Natural Zeolite in Thessaloniki industrial area wastewater treatment. Desalination and Water Treatment, 57(42), 19702–19712. https://doi.org/10.1080/19443994.2015.1103314

Barzegar, R., Asghari Moghaddam, A., & Tziritis, E. (2016). Assessing the hydrogeochemistry and water quality of the Aji-Chay River, northwest of Iran. Environmental Earth Sciences, 75(23). https://doi.org/10.1007/s12665-016-6302-1

Panagopoulos, A., Arampatzis, G., Tziritis, E., Pisinaras, V., Herrmann, F., Kunkel, R., & Wendland, F. (2016). Assessment of climate change impact in the hydrological regime of River Pinios Basin, central Greece. Desalination and Water Treatment, 57(5), 2256–2267. https://doi.org/10.1080/19443994.2014.984926

Tziritis, E., Skordas, K., & Kelepertsis, A. (2016). The use of hydrogeochemical analyses and multivariate statistics for the characterization of groundwater resources in a complex aquifer system. A case study in Amyros River basin, Thessaly, central Greece. Environmental Earth Sciences, 75(4), 1–11. https://doi.org/10.1007/s12665-015-5204-y

Tziritis, E., Arampatzis, G., Hatzigiannakis, E., Panoras, G., Panoras, A., & Panagopoulos, A. (2016). Quality characteristics and hydrogeochemistry of irrigation waters from three major olive groves in Greece. Desalination and Water Treatment, 57(25), 11582–11591. https://doi.org/10.1080/19443994.2015.1057869

Tziritis, E., Tzamos, E., Vogiatzis, P., Matzari, C., Kantiranis, N., Filippidis, A., Theodosiou, N., & Fytianos, K. (2016). Quality assessment and hydrogeochemical status of potable water resources in a suburban area of northern Greece (Thermi Municipality, central Macedonia). Desalination and Water Treatment, 57(25), 11462–11471. https://doi.org/10.1080/19443994.2015.1052993

Voutsis, N., Kelepertzis, E., Tziritis, E., & Kelepertsis, A. (2015). Assessing the hydrogeochemistry of groundwaters in ophiolite areas of Euboea Island, Greece, using multivariate statistical methods. Journal of Geochemical Exploration, 159, 79–92. https://doi.org/10.1016/j.gexplo.2015.08.007

Panagopoulos, A., Arampatzis, G., Kuhr, P., Kunkel, R., Tziritis, E., & Wendland, F. (2015). Area-differentiated modeling of water balance in pinios river Basin, central Greece. Global Nest Journal, 17(2), 221–235. https://doi.org/10.30955/gnj.001402

Tziritis, E., Panagopoulos, A., & Arampatzis, G. (2014). Development of an operational index of water quality (PoS) as a versatile tool to assist groundwater resources management and strategic planning. Journal of Hydrology, 517, 339–350. https://doi.org/10.1016/j.jhydrol.2014.05.008

Tziritis, E. P. (2014). Environmental monitoring of Micro Prespa Lake basin (Western Macedonia, Greece): Hydrogeochemical characteristics of water resources and quality trends. Environmental Monitoring and Assessment, 186(7), 4553–4568. https://doi.org/10.1007/s10661-014-3719-4

Tziritis, E., Kelepertzis, E., Korres, G., Perivolaris, D., & Repani, S. (2012). Hexavalent chromium contamination in groundwaters of Thiva Basin, Central Greece. Bulletin of Environmental Contamination and Toxicology, 89(5), 1073–1077. https://doi.org/10.1007/s00128-012-0831-4

Tziritis, E., Kelepertsis, A., & Fakinou, G. (2011). Geochemical status and interactions between soil and groundwater systems in the area of Akrefnio, Central Greece. Risk assessment, under the scope of mankind and natural environment. Journal of Water and Land Development, 15(1), 127–144. https://doi.org/10.2478/v10025-012-0012-1

Tziritis, E. P. (2010). Assessment of NO3- contamination in a karstic aquifer, with the use of geochemical data and spatial analysis. Environmental Earth Sciences, 60(7), 1381–1390. https://doi.org/10.1007/s12665-009-0274-3

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