President: Alberto Viglione
(Emailhs@egu.eu)
Deputy President: Maria-Helena Ramos
(Email)
ECS Representative: Melissa Reidy
(Emailecs-hs@egu.eu)
The Hydrological Sciences (HS) Division is concerned with all aspects of the terrestrial hydrological cycle (including precipitation, surface water, soil water, groundwater) from the pore scale to the global scale, and its relationships and interactions with the atmospheric part of the hydrological cycle. The division also covers the interaction between hydrology and geomorphology (e.g., erosion, sedimentation, groundwater systems), the relationships between hydrology and soils, as well as the interaction between the hydrosphere and the biosphere (e.g., ecohydrology, wetlands). The ways in which hydrological processes are observed, quantitatively computed, and forecasted are also addressed by the division. Management and operation of water resources by societies in various parts of the world is also within the division's realm.
The Hydrological Sciences Division (HS) has five main tasks:
- Organizing the hydrological part of the program during the annual EGU General Assembly
- Running its on-line open access journal: Hydrology and Earth System Sciences (HESS)
- Recognizing deserving colleagues in various stages of their careers with its Award program.
- Encouraging the interaction and active participation of young hydrologists within the hydrological community
- Circulating news, information, job adverts, announcements of opportunity or meetings that may be relevant to the hydrological community
Such tasks require considerable (voluntary!) input from many people, and offer plenty of opportunities to become actively involved.
To ensure that the sessions during the General Assembly cover our science as comprehensively as possible, there are currently ten Subdivisions, including a subdivision on general hydrology (monitoring and cross cutting issues). Distinct fields within the broad area of hydrology are covered. Each Subdivision Committee organises a set of oral, poster or PICO sessions to cover its field. The members of the Subdivision Committees meet during the EGU General Assembly and start preparing the draft programme for next year’s meeting in late spring/early summer. Membership of the committees of these Subdivisions is open: you can e-mail the Subdivision Committee Chair to request membership or you may directly join the meeting during the General Assembly to get involved in the Subdivision activities and in particular in the organisation of the programme, including proposal of sessions and volunteering as convener or co-convener (see overview of Programme Organisation and Convener Tasks).
You can also become involved in the Hydrology and Earth System Sciences (HESS) journal. In addition to submitting your best scientific work to HESS, consider that the journal needs both referees and members of its Editorial Board to cover a sufficiently broad spectrum of expertise to adequately handle all incoming papers. If you would like to become active as a referee or as an editor you may therefore consider informing any editor or Executive Editor of your wish.
The Division contributes to the EGU Awards & Medals programme that recognises every year eminent scientists for their outstanding research contribution and identifies the awardees as role models for the next generation of young scientists to foster geosciences research. In particular, members of the Division are invited to contribute to the nominations (deadline are every year on the 15th June, see here) for both the young and senior HS Division Awards and Medals (link).
The EGU offers a platform for young scientists to become involved in hydrological research, through sessions, social events and short courses at the annual General Assembly in April. Several activities are especially aimed for Young Scientists in the Hydrological Science, organised with the help of the Young Hydrologic Society.
Lastly, you are invited to share the news/information that may be of interest to the EGU Hydrological Sciences community, by sending a tweet to @EGU_HS or filling in the activity calendar webform.
Do not hesitate to contact the Division President or any Division Officer if you need any additional information on our activities!
Latest posts from the HS blog
HydroTalks Podcast: Professor Li Li on big data, water chemistry, climate change and science communication
Welcome to HydroTalks, the EGU HS division’s podcast series. In this episode, we interviewed Prof. Li Li (Li Li – Penn State), leader of the Li Reactive Water group at Penn State University. We talked about her research on using data and models for hydro-biogeochemical processes, river water quality, climate change, and research communication. Her research sits at the intersection of hydrology, ecology, and biogeochemistry. We discussed her research and her efforts to promote women in hydrological sciences. You can …
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“What if …?” – Creativity in flood risk management using counterfactual scenarios
Floods are among the most devastating natural hazards, claiming lives and damaging infrastructure. The question of how we can be prepared for these extreme events quickly reaches an almost philosophical level: First of all, what is an extreme event? Second, how can we know what the future will bring? For the last century hydrologists have relied on statistical concepts, which are based on observed streamflow, to assess flood hazard but this approach opens many other questions: Do we believe that …
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Are you our next HS Early Career Scientist Representative?
It’s time to grow the Early Career Scientists (ECS) team of the Hydrological Sciences Division! We’re looking for the next ECS representative to contribute to coordinating social media, our newsletter, online campfires, our podcast series, and to join our fantastic blog team. Interested? Keep reading to find out more! What do ECS teams do? EGU’s scientific activities are organised by 22 scientific divisions. The Hydrological Sciences (HS) Division is among the largest. From organising online events like webinars and campfires …
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Looking Back at IAHS2025 in Roorkee: Hydrologists Assemble in India
Between October 5 – 10, 2025, the XIIth Scientific Assembly of the International Association of Hydrological Sciences (IAHS) took place in Roorkee, India. Overall, more than 600 hydrologists assembled on the campus of the Indian Institute of Technology (IIT) to share their latest progress, discuss with their colleagues, nurture connections, and celebrate hydrology as a discipline. Here’s a look back! The Scientific Assembly of the IAHS at IIT Roorkee With over 12 000 members from 150 countries, IAHS is the …
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Recent awardees
The 2025 Henry Darcy Medal is awarded to
Jan Seibert for pioneering work promoting Open Science with hydrological models, and building bridges between experimentalists and modellers, between physical and conceptual approaches, and to citizen science.
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The 2025 John Dalton Medal is awarded to
Paolo D'Odorico for outstanding scholarship on water and its ties to environmental justice, energy, and food security.
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- 2025
- Arne Richter Award for Outstanding Early Career Scientists
The 2025 Arne Richter Award for Outstanding Early Career Scientists is awarded to
Frederik Kratzert for outstanding research in hydrological modelling and open science, particularly through Artificial Intelligence-based approaches in large-sample hydrology studies.
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The 2024 Henry Darcy Medal is awarded to
Alberto Guadagnini for his advancements in the frontiers of hydrology through development and application of quantitative, process-based, flow and chemical transport models in subsurface water bodies under uncertainty.
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The 2024 John Dalton Medal is awarded to
Paul D. Bates for outstanding contributions to the modeling of flood hydrology from the local to the global scale.
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- 2024
- Division Outstanding Early Career Scientist Award
The 2024 Division Outstanding Early Career Scientist Award is awarded to
Andrea Cominola for outstanding research on data-driven behavioural modelling in coupled human-water systems.
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Amirhossein Ershadi Ensemble Surrogate Modeling of Advective-Dispersive Transport with IntraParticle Pore Diffusion for Column-Leaching Tests
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Anastasia Vogelbacher Heatwave occurrence worldwide: A comprehensive analysis integrating land properties, climate variables and groundwater depth
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Anastasios Perdios Climate Risk and Vulnerability Assessment (CRVA) for the Port of Heraklion in Greece
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Franziska Clerc-Schwarzenbach What is more important for model calibration: information on the discharge dynamics or information on the discharge volume?
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Mirjam Scheller Combining citizen science data and the hierarchical structuring of temporary streams to reconstruct the patterns of channel wetting and drying
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Patrick Sogno Exploring Trends, Patterns, and Drivers of African Surface Water Dynamics
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Rui Guo Past and future changes of streamflow in the European Alps
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Sarah Hanus Glaciers – an overlooked water balance component in global hydrological modelling
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- 2024
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2024 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Simon P. Heselschwerdt Projected shifts and dynamics in blue and green water resources availability
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Current issue of the EGU newsletter
In our October Issue we are feeling the spooky season as we talk with Elizabeth Case, a 'hauntologist' who studies the ghosts of glaciers, Asmae Ourkiya investigates a recent study of the shadows left behind on the climate from a massive eruption in Indonesia, we hear from Peter Alexander, who shares his experience of doing research in an autocratic regime in the Global South, we share all the upcoming webinars planned for November (there are a lot!), and don't miss our announcement of a new Emergency Support policy, to help researchers in the Earth, planetary and space sciences who have been affected by disaster, crisis or conflict.
All this and much more, in this month's Loupe!
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Current issue of the HS division newsletter
What is new in the Hydrological Sciences Division in October? This month we're sharing dates for the upcoming abstract submissions for the GA 2026, Artist in Residence applications, voting for the EGU elections and the IAHS Academy. We also highlight some new blogposts from ours and other divisions!
Have an excellent October!
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