Contacts

+36 1 309 2600 / 1353
+36 1 319 3137
hatvani.istvan at csfk.hun-ren.hu
hatvaniig at gmail.com
room 313

Place and date of birth

Budapest, 1987

Qualifications

2022 University habilitation in environmental sciences (1238/2022; 16.09.2021)
2010-2013 PhD Eötvös Loránd University, Environmental Sciences PhD School, Environmental Earth Sciences PhD Program. Thesis title: „Application of state-of-the-art geomathematical methods in water protection - on the example of the data series of the Kis-Balaton Water Protection System –„
2005-2010 MSc Eötvös Loránd University, Faculty of Environmental Studies, Environmental Sciences Program. Thesis title: „Application of time series, uni- and multivariate statistical methodns ont he data series of the Kis-Balaton Water Protection System”

Language knowledge

English IELTS General Training: Overall Band Score 8 ("Very Good User") 2022
Italian B2 level spoken and written (2010)
English C2 level spoken and written (2002)

Main fields of research

Environment and paleoclimate research
water quality protection
geomathematics
stochastic modeling

Research projects - expert missions

Field work and water sampling activity related to the environmental inspection of the Séd-Nádor Canal for Wessling Hungary Environmental Analytical Laboratories Ltd. 12.06.2009 - 23.07.2009
Work on the preparation of the following report: Methodological evaluation of Phase 1 of the surface works in relation to the Boda Aleurolite Formation (BAF) for the Public Limited Company for Radioactive Waste Management Ltd., 2012
TÁMOP 4.1.3-11/1-2011-0001 Systematic Development of Higher Education Services project, the aim of which was to audit the Environmental Sciences Program at the ELTE TTK, 03.03.2013 – 31.12.2013
Work on the preparation of the 6th National Communication of Hungary to the United Nations Framework Convention on Climate Change, 2013.
Participation as a member of the International Initiative Committee in the preparation of the DANUBIUS-RI Pan-European project which was granted a place in 2016 Roadmap of the European Commission’s ESFRI (European Strategy Forum on Research Infrastructures)
Invited IAEA expert: Expert Mission on Training on statistical interpretation of isotope data and modelling, Ljubljana, Slovenia, 14-15 July 2025 (X- SLO7001- EVT2502503)
Invited IAEA expert: Expert Mission on the Best-practice for sampling designs for isotope monitoring networks, Ljubljana, Slovenia, 1-3 Oct 2024 (VT2404947-SLO7001)
ELKH Data Repository Ambassador position May 2023 - November 2023, during which I deepened my knowledge of the data repository and gained practical experience in its usage, which I shared with university students and ELKH researchers.

Outstanding results

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Study trips

Completion of the "Climate time Series Analysis" course given by Dr. Manfred Mudelsee (Climate Risk Analysis Ltd.) online 13.09.2021 - 23.09.2021.
Completion of the "Trend analysis" short course given by Dr. Manfred Mudelsee (Climate Risk Analysis Ltd.) in the frames of the GeoMATES 2019 conference (15.05.2019, Pécs Hungary).
Completion of the Training Course on the Application of Environmental Isotopes in Rivers and Lakes at the International Atomic Energy Agency 16 - 27 November 2015, IAEA, Vienna, Austria
Completion of the Training Course on the Principles and Applications of Isotope Hydrology Methods at the International Atomic Energy Agency 10 - 21, October 2016, IAEA,Vienna, Austria
Completion of the second CC-WaterS Training Course in Thessaloniki, Greece. Topic: The influence of climate change on drinking water supplies.11.04.2011 - 15.04.2011

Membership of scientific and professional organizations

National Research and Development Office

Geosciences 1 expert group member 2021-2024

Elected member of the Hungarian Youth Academy 2020-2025
Elected member of the Young Academy of Europe 2025-2032

Board memebet 2023-2025

Hungarian Geological Society 2009-

Secretary of the Election Committee 2018
Geomathematical & Informatics Section of the Hungarian Geological Society

secretary 2015- March 2023
member of the steering committee 2023-2024

Member of the Election Committee 2021
o General assembly member 2024-

Hungarian Hydrological Society 2011-2015
IAMG Student Chapter Szeged 2011-2014
IAMG (International Association for Mathematical Geosciences) 2014-
Hungarian Chamber of Engineers 2014- (01-15205)
Hungarian Academy of Sciences, public body member 2014-

Substitute member of the Nominating Committee 2022-
Non-academician General Assembly member 2022-
Member and secretary of the Committee on Geology 2021-2026
X. Section of Earth Sciences, Committee on Geology, Secretary of the Geomathematical Sub-committee 2018-2023
VII. Section of Chemical Sciences, Committee on Analytical and Environmental Chemistry, Working group for environmental chemistry, member 2016-
Hydrological Intersectional Committee member 2024-2026

Eötvös Loránd University

Lecturing member of the Earth- and Environmental Sciences Ph.D. Schools of the ELTE, 2017-
Environmental Science international M.Sc. state examine commission member (2019-2028)
Member of the New National Excellence Programme (ÚNKP) decision board (2022)

Past Global Changes (PAGES) - Speleothem Isotope Synthesis and AnaLysis (SISAL) Working Group

SISAL Phase II Steering Committee member 2020-2023
SISAL Phase III Steering Committee member 2024-2027

Research Centre for Astronomy and Earth Sciences

Ethics Committee member (2023 - )
Intellectual Property Committee member (2023 - )

HUN-REN

WP8 Future Researchers working group member (2024)

Membership of editorial boards

Editor at Open Geosciences 2012- (IF 0. 726)
International Journal on Geomathematics (GEM)

Editor 2020-
Guest editor 2019-2020

Associate editor at Central European Geology 2015-
Guest editor at Water (IF 2.55) 2020-2022

Conference organization

Section chair at the XXVIII. Tavaszi Szél Conference; Environmental Sciences Section (2025, Budapest, SOTE)
Hosting the ’Current earth science’ podcast series organized by teh Hungarian Geological Society and the HUN-REN RCAES
Chairman of the jury of the Environmental Science Applications of Earth Sciences section of the Physics, Earth Sciences and Mathematics Section of the 37th National Scientific Student Conference
HAS Committee on Geology, Sub-committee day, 2024, Budapest, head organizer and section chair
Geomatematikai-, környezetinformatikai és energetikai modellek Magyarországon a 2020-as években, 2023, Budapest, HAS, head organizer
GeoMATES 2022 & 22^nd Congress of Hungarian Geomathematicians, 2022, Pécs; chair of the scientific committee

Grant won to organize international conferences; NKFIH Mecenatúra (140695; ~15,500 €)

WebGeoMATES, Congress for Young Scientists, international conference, head organizer (2021, online Zoom)
'Földtudományos Forgatag' Science education in earth sciences, one of the head organizers in the name of the Geomathematical and Informatics Section of the HGS (2021, online, Zoom & Youtube live)Section chair at the XXIII. Tavaszi Szél Conference; Earth Sciences Section (2020, Budapest, NKE, online)
The geostatistical modelling of natural processes - ANTAL FÜST conference, 2020, Budapest, head-organizer
GeoMATES 2019 & 21^th Congress of Hungarian Geomathematicians; chair of the scientific committee

Grant won to organize international conferences from the Hungarian Academy of Sciences: (NKSZ 2019-12; ~ 1450 €)

19^th annual conference IAMG 2018, Olomouc; member of the scientific committee

Responsible for topics: Climatology, Meteorology, Cryology, Atmosphere and Ocean Sciences; Geological Evidences of Paleo-Climate Changes; Hydrogeology, Groundwater Modeling and Contaminant Transport

Geomathematics, bauxitresearch and geochemical results nowadays and in the legacy of GYÖRGY BÁRDOSSY- conference, 2018, Budapest, head-organizer
16^th National Conference of Environmental Sciences Students (OFKD) 2018
20^th Congress of Hungarian Geomathematicians and 9^th Congress of Croatian and Hungarian Geomathematicians; chair of the scientific committee

Grant won for organizing international conferences from the Hungarian Academy of Sciences: (NKSZ 2017-28; ~ 2900 €)

Research grants, scholarships

2025. Climatic controls on the thermal water of Herkulesfürdő and its aquifer: stable isotope investigations; NKM2024-36; Hungarian Academy of Sciences (Principal Investigator / sole applicant; 2025-2027)
2024. Funding to participate at the Geostats 2024 Conference, International Conference Participation Youth Scholarship; 2024-8; Hungarian Academy of Sciences (project owner; 2024)
2024. Data Steward Scholarship (DSS) for the SISAL Phase III Working Group. DSS-117; Chinese Academy of Sciences and the Swiss Academy of Sciences (project owner; 2024-2025)
2023. Validation of catchment-scale contaminant transport models using stable isotopes and multi- element measurements. SNN OTKA 143865 (bilateral research project); National Research and Development Office (participant researcher; 2023-2025)
2022. Effect of cover crop on soil aggregation, erosion and carbon storage. K OTKA 143005; National Research and Development Office (participant researcher; 2022-2026)
2022. The role of soil organic matter stability in the adsorption and desorption of pharmaceutically active compounds – with a focus on environmental differences. K OTKA 143868; National Research and Development Office (participant researcher; 2022-2026)
2021. Spectral analysis of time series with age uncertainty and variable time resolution - Are the detected periods robust? For the Talented Youth of the Nation Scholarship; NTP-NTFÖ-20-B0049; Research Scholarship of the Ministry of Human Capacities (project owner; 2021-2022)
2020. A nyári időjárási szélsőségek előrejelzésének pontosítása: lépések az élelmiszertermelést érintő kockázatok mérséklése felé. Kooperatív Doktori Program Doktori Hallgatói Ösztöndíj (KDP-2020); KDI-1015618; Nemzeti Kutatási, Fejlesztési és Innovációs Hivatal – Kooperatív Doktori Kollégium (társkutató, a pályázó témavezető Topál Dániel; 2020-2022)
2020. Töréspontok és periodikus jelek a grönlandi jégfuratok stabilizotópos idősoraiban. A Nemzet Fiatal Tehetségeiért Ösztöndíj; NTP-NTFÖ-20-B0043; Emberi Erőforrások Minisztériuma (témavezető; 2020-2021)
2018. Statistical evaluation cellulose content and cellulose-stable isotope composition from the foliage of European forest species (database creation). New National Excellence Program Bolyai+ (Post Doc) Research Scholarship of the Ministry of Human Capacities. (project owner; 2018-2019)
2018. Funding to participate at the Annual Conference of the International Association for Mathematical Geosciences (IAMG 2018). International Conference Participation Youth Scholarship; 580/5/2018/NKF; Hungarian Academy of Sciences (project owner; 2018)
2017. Geostatistical analysis of regionalized precipitation stable isotope data. For the Talented Youth of the Nation Scholarship; NTP-NTFÖ-17-B0028; Ministry of Human Capacities (project owner; 2017-2018)
2017. Modeling of the long term microbial and fecal pollution of Lake Neusiedl. Bilateral Research Funding to explore the Long-term exposure of the microbial-fecal pollution of Lake Neusiedl; Austrian-Hungarian Action Fund (97öu-1; project owner; 2017-2018)
2016. Spatial distribution of water isotopes in precipitation in Europe – with special focus on the transect from the Adriatic Coast to the Pannonian Plain; SNN OTKA 118205; NKFIH (participant researcher; 2016-2019)
2016. Geostatistical analysis of hydrologic and paleoclimate time series. Bolyai János Research (Post Doc) Scholarship of the Hungarian Academy of Sciences. (project owner; 2016-2019)
2016. Evaluation of the temperature and hydroclimate proxies of the Carpathian – Balkan Region for the past 1000 yrs. For the Talented Youth of the Nation Scholarship; NTP-EFÖ-P15-0550; Ministry of Human Capacities (project owner; 2016-2017)
2014. Exploration of interconnected regional sub-systems of the hydrological cycle using multivariate- and time series Geomathematical methods. Erdős Pál Joung Reseacher Scholarship; TÁMOP 4.2.4 A/1-11-1-2012-0001 (excellent final evaluation; project owner; 2016-2017)
2013. Analysis of the water quality time series of the Kis-Balaton Water Protection System using uni-, multivariate and time series methods. Apáczai Csere János PhD Student Scholarship; TÁMOP 4.2.4 A/1-11-1-2012-0001 (excellent final evaluation; project owner; 2016-2017)
2012. Geostatistcal analysis of the sub-surface water system of the Seewinkel (AT). Ernst Mach Scholarship of the Austrian-Hungarian Action Fund Repeated successful application (2011); project owner; 2012-2013
2009. Scholarship of the Hungarian Republic for the school year 2009/2010; Ministry for Education and Culture

Awards

2022. Vitális Sándor Award (with co-authors); Hungarian Hydrological Society & General Directorate of Water Management
2020. Bolyai-emléklap; MTA
2019. Excellent Researcher; award of the Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
2018. Szádeczky-Kardoss Elemér Prize, Section of Earth Sciences, Hungarian Academy of Sciences
2018. Excellent Researcher; award of the Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
2018. Academic Youth Award; Hungarian Academy of Sciences
2017. Danubius Young Scientist Award; Austrian Federal Ministry for Science, Research and Economy, Institute for the Danube Region and Central Europe
2017. Excellent Researcher; award of the Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences
2016. Young Scientist Prize for Environmental Research; Hungarian Academy of Sciences
2015. Junior Príma Prize – Hungarian Science Category; Príma Primisszima Foundation & Hungarian Development Bank Plc. (MFB. Zrt.)
2011. “Habilitas” fellowship of the Hungarian Development Bank Plc. (MFB. Zrt.)
2010. Dr. Pauka Imre Prize awarded by Golder Associates Plc. in recognition of my scientific activities
2010. Excellent student of the Science Faculty (award from the Dean)
2008. Excellent student of the Science Faculty (award from the Dean)

Prizes won at scientific competitions

1^st prize of the young scientist category. Determining Anthropogenic Effects Using Principal Component Analysis on a fluvial (E Hungary) and Two Lake Ecosystems (W Hungary, E Austria). CMA4CH, Mediterraneum Meeting, Rome 2012
Special prize of TXM Oil- and Natural-gas Researching Ltd. Principal Component Analysis (PCA) on data series of Hídvégi Pond (W Hungary). Meeting of Young Geoscientists (ISZA), Mátrafüred 2010.
1^st prize of the applied category and the special prize of the Hungarian Geological Society’s Geomathematical Section. Többváltozós és idősoros módszerek alkalmazása a Kis-Balaton Vízvédelmi Rendszer Adatsoraira. Meeting of Young Geoscientists (ISZA), Keszthely 2009
Special compliment of the jury. A Kis-Balaton Vízvédelmi Rendszer hosszútávú adatsorainak elemzése; Conference of the National Scientific Student Council (OTDK), Hydrogeology-Hydrology section, Szombathely 2009.

Teaching

2024 Natural science data, their origin and handling - MSc. Natural sciences teacher (Z-students)
2023 Geomathematics, programming and spatial informatics for M.Sc. Earth science students
2023 Geostatistical analysis in environmental science for Ph.D. Earth- and environmental science students
2017-2021 Data analysis in environmental sciences for Ph.D. Earth- and environmental science students
2015- Advanced environmental calculations for M.Sc. and environmental science students
2015- Geomathematics for M.Sc. Earth- and environmental science students
2015- From monitoring to data analysis for M.Sc. Environmental sciences students
2013- Environmental calculation for B.Sc. Environmental sciences students
2011-2016 Introduction to database handling for B.Sc. Earth sciences students
Témavezetői, konzulensi tevékenység (pdf)

Publications

Selected publications of the last 5 years

Comas-Bru, L., Rehfeld, K., Roesch, C., Amirnezhad-Mozhdehi, S., Harrison, S. P., Atsawawaranunt, K., Ahmad, S. M., Brahim, Y. A., Baker, A., Bosomworth, M., Breitenbach, S. F. M., Burstyn, Y., Columbu, A., Deininger, M., Demény, A., Dixon, B., Fohlmeister, J., Hatvani, I. G., Hu, J., Kaushal, N., Kern, Z., Labuhn, I., Lechleitner, F. A., Lorrey, A., Martrat, B., Novello, V. F., Oster, J., Pérez-Mejías, C., Scholz, D., Scroxton, N., Sinha, N., Ward, B. M., Warken, S., Zhang, H., and SISAL Working Group members (2020): SISALv2: a comprehensive speleothem isotope database with multiple age–depth models, Earth Syst. Sci. Data, 12, 2579–2606, https://doi.org/10.5194/essd-12-2579-2020
Hatvani, I. G., de Barros, V. D., Tanos, P., Kovács, J., Kovács, I. S., & Clement, A. (2020). Spatiotemporal changes and drivers of trophic status over three decades in the largest shallow lake in Central Europe, Lake Balaton. Ecological Engineering, 151, 105861.
Hatvani IG, Erdélyi D, Vreča P, Kern Z. (2020) Analysis of the Spatial Distribution of Stable Oxygen and Hydrogen Isotopes in Precipitation across the Iberian Peninsula. Water, 12(2):481. https://doi.org/10.3390/w12020481
Kern, Zoltán; Erdélyi, Dániel; Vreča, Polona; Krajcar Bronić, Ines; Fórizs, István; Kanduč, Tjaša; Štrok, Marko; Palcsu, László; Süveges, Miklós; Czuppon, György; (2020), Isoscape of amount-weighted annual mean precipitation tritium (3 H) activity from 1976 to 2017 for the Adriatic–Pannonian region–AP 3 H_v1 database,Earth System Science Data,12(3), 2061-2073 https://doi.org/10.5194/essd-12-2061-202
Hatvani, István Gábor; Szatmári, Gábor; Kern, Zoltán; Erdélyi, Dániel; Vreča, Polona; Kanduč, Tjaša; Czuppon, György; Lojen, Sonja; Kohán, Balázs (2021), Geostatistical evaluation of the design of the precipitation stable isotope monitoring network for Slovenia and Hungary, Environment International, vol. 146, paper 106263 https://doi.org/10.1016/j.envint.2020.106263
Hatvani, István Gábor; Tanos, Péter; Mudelsee, Manfred; Kern, Zoltán; (2022), Robust periodic signals in proxy records with chronological uncertainty and variable temporal resolution, Quaternary Science Reviews, vol. 276, paper 107294 https://doi.org/10.1016/j.quascirev.2021.107294
Hatvani, István Gábor; Dokulil, Martin T; Clement, Adrienne; (2022) ,The role of wetlands in mitigating impacts from diffuse agricultural loads, in Encyclopedia of Inland Waters (Second Edition) (Eds.: Thomas Mehner and Klement Tockner), pp. 285-299 Elsevier BV http://doi.org/10.1016/B978-0-12-819166-8.00093-1
Hatvani, István Gábor; Smati, Alaa Eddine; Erdélyi, Dániel; Szatmári, Gábor; Vreča, Polona; Kern, Zoltán (2023), Modeling the spatial distribution of the meteoric water line of modern precipitation across the broader Mediterranean region, Journal of Hydrology, vol. 617, paper 128925 https://doi.org/10.1016/j.jhydrol.2022.128925
Erdélyi, Dániel; Hatvani, István Gábor; Jeon, Hyeongseon; Jones, Matthew; Tyler, Jonathan; Kern, Zoltán (2023), Predicting spatial distribution of stable isotopes in precipitation by classical geostatistical-and machine learning methods, Journal of Hydrology, vol. 617 paper 129129 https://doi.org/10.1016/j.jhydrol.2023.129129
Hatvani, IG ; Kern, Z ; Tanos, P ; Wilhelm, M ; Lechleitner, FA. ; Kaushal, N (2024), The SISAL webApp: exploring the speleothem climate and environmental archives of the world. Quaternary Research 118 pp. 211-217. , 7 p. https://doi.org/10.1017/qua.2023.39
Hatvani, IG ; Souza, NAC ; Harmon, RS.; Espinosa, JA. ; Kern, Z (2025), Assessment of multidecadal precipitation seasonality in the Panama Canal watershed. Journal of Hydrology: Regional Studies 58 Paper: 102213 (2025). https://doi.org/10.1016/j.ejrh.2025.102213