IAHR

Accelerating water engineering and science for resilient societies and healthy environments.

The International Association for Hydro-Environment Engineering and Research (IAHR) is a worldwide independent organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. IAHR stimulates and promotes both research and its application, and by
doing so contributes to sustainable development, a holistic approach to water resources management, the protection of the environment, and a better water future for all.

03/06/2026

📰 A new issue of the Journal of Ecohydraulics is out! https://www.iahr.org/index/detail/2405

This issue highlights the interdisciplinary power of ecohydraulics, bringing together engineering, biology, and geoscience to solve critical challenges for a sustainable future.

🔍Research Articles:

➜ Drivers of aquatic macroinvertebrate communities across European cities | Vladimíra Dekan Carreira, Krzysztof Achtenberg, Cristina Antunes, Robrecht Debbaut, Dagmar Haase, Szymon Jusik, Krister Karttunen, Joana Martelo, Silvia Martín Muñoz, Rui Rebelo, Bernardo Rocha, Jonas Schoelynck, Jan Staes, Krzysztof Szoszkiewicz, Doerthe Tetzlaff, Kati Vierikko, Maria Magdalena Warter, Thilo Wellmann & Pedro Pinho

➜ Beavers as water bioengineers: effects on the bank roughness in the early years of new settlement in Tuscany | F. Preti, R. Saracino, Andrea Volpe Signorile, A. Dani, C. Pucci & M. Rillo Migliorini Giovannini

➜ Repeatability and reliability of the provoked escape response test for estimating fish maximum swimming speeds | Daniel Nyqvist, Muhammad Usama Ashraf, Alfredo Schiavon, Alessandro Candiotto, Adriano Palazzi, Marco Parolini & Claudio Comoglio

➜ Quantifying fish posture and fine-scale movement in flowing water: an enriching approach for ecohydraulic experimentation | Robert Naudascher, Luiz G. M. Silva, Markus Holzner, Robert M. Boes & Roman Stocker

➜ Flow, refuge, and invasion: common carp (Cyprinus carpio) behaviour under simulated hydropeaking conditions | Ana L. Quaresma, Daniel Mameri, Isabel Boavida & Filipe Romão

➜ A mathematical model to understand the vertical velocity distribution for two layered submerged flexible vegetation | Ainal Hoque Gazi

How to access:
🆓 for IAHR Members: Log in to the IAHR website for full access.
Non-Members: Visit the Taylor & Francis Online portal.

Learn More: https://www.iahr.org/index/detail/2405

26/05/2026

💧 Missed the Training Course on Numerical Modeling of Outfall Systems and Discharges: practical aspects? Watch it on demand! https://www.iahr.org/video/collection?id=169

Nearly 400 participants from across the globe joined this deep dive into outfall systems as a key role in discharging the wastewater into ambient waters. Mastering their design through advanced numerical modeling is essential to mitigating environmental impacts and ensuring sustainable water management.

📚 Key Topics Included:
➜ Advanced Simulation: LES, non-Boussinesq simulations, and multi-fidelity modeling.
➜ Environmental Context: Integrated catchment modeling for overflow abatement and shallow water simulations.
➜ Regulatory Insights: Overview of Australian methodologies and global guidelines.

Don't miss this opportunity to advance your career and contribute to sustainable hydro-environmental solutions!

🎥 Watch the recordings: https://www.iahr.org/video/collection?id=169

25/05/2026

📢 A new issue of the International Journal of River Basin Management is out! https://www.iahr.org/index/detail/2396

The issue showcases the wide range of topics considered by JRBM, as river basin management calls for a holistic approach, combining expertise from technical and social sciences.

📚 The Journal of River Basin Management (JRBM) plays a specific role in promoting a cross-sectorial approach encompassing all aspects of river and floodplain management, with a global perspective. Calling for an integrated approach to water resources management.

🔍 These 12 research papers include topics such as:

➜ The transport of natural and non-natural materials along rivers
➜ investigations on the use of hydroinformatics for predicting future changes in water quality and quantity
➜ Streamflow variations
…& more!

This research papers highlight the need to connect basic research with application, but also to involve society as a whole to plan future management strategies that guarantee a sustainable future for our river basins

📖 IAHR members can access this issue for free via the IAHR platform, and non-members can also find it through the publishing partner.

💧 Check out the latest issue here: https://www.iahr.org/index/detail/2396

22/05/2026

🌍 Attend the 9th IAHR Global Water Security Webinar: Climate Resilience and Hydro-Environmental Modelling! https://www.iahr.org/index/detail/2374

Following the success of the previous 8 webinars on global water security, each attracting a global audience of several thousand page views, the IAHR Technical Committee on Global Water Security is now organizing the 9th webinar on “Climate Resilience and Hydro-Environmental Modelling” on 22 June 2026.

🗓️ Date: Monday, 22 June 2026
⏰ Time: 07:00 New York | 12:00 London | 13:00 Madrid | 19:00 Beijing

This webinar will be chaired by Professor Qiuwen Chen, Co-Chair of the IAHR Technical Committee on Global Water Security.

Keynote Speakers

➜ Joseph Hun-wei Lee (Macau University of Science and Technology and China Three Gorges University) will present “Hydrodynamics for Climate Resilience: Global Challenges and Emerging Technologies”

➜ Reza Ahmadian (Cardiff University, Professor of Water and Environmental Engineering; Co-Chair of IAHR GWS TC) will present “Hydro-environmental modelling for Water Security: combining physical understanding with data-driven intelligence”

Don't miss this opportunity to engage with leading global insights on climate resilience and smart water management.

🔗 More info here: https://www.iahr.org/index/detail/2374

21/05/2026

📣 Attend the Session on Trends and solutions for a Water-Secure Future which will be held in Madrid next Thursday 28 May https://lnkd.in/eurWWuid

This session is an open event enabling exchange with city water leaders, leading solution providers, global experts and the latest science and innovation to contribute to those critical pathways towards a more resilient and sustainable water resources for cities, their populations and environments.

📅Date: Thursday, 28 May 2026
📍Venue: Auditorium Botín Foundation, C/ Castelló 18 C, Madrid, Spain
Format: In person only

📑 Programme

1️⃣ Public Management of the Urban Water Cycle

➜ 16:00 - 16:15: "Spain Water and the new Wastewater Directive 2024/3019" | Carlos López Monllor. CEDEX

➜ 16:15 - 16:30: "Innovation supporting urban water cycle management" | Jaime Flores, Deputy Director R&D and Antonio Lastra, Head of Innovation Development Area, Canal de Isabel II. Madrid Water Public Utility: 175 Year

2️⃣ Water Resilience in Urban Planning

➜ 16:30 - 16:45: "City Water Resilience Case Studies" | Almudena Barona, Associate Director. Water Business Leader. Arup

➜ 16:45 - 17:00: "The Water Cycle in Madrid Nuevo Norte" | Jorge Serrano Leal, Technical Director, Crea Madrid Nuevo Norte

3️⃣ Technological Innovation

➜ 17:00 - 17:15: "Technological and operational innovation for the reduction of water losses and the preservation of water resources" | Luis Navarro Perez De Ontiveros, Director of Hydraulic Efficiency. Veolia

➜17:15 - 17:30: "The Digital Journey for Urban Water Utilities: From Data to Decisions" | Luis Campos Román, Head Water in Cities. DHI

➜17:30 - 18:00: Panel Discussion

💧 Join municipal leaders, top experts, and global solution providers to map out the critical paths for resilient, sustainable, and water-secure cities.

Register to attend here: https://lnkd.in/eHuFgJ3j

20/05/2026

📚Interested in discovering how the lattice-Boltzmann method can enhance your fluid flow simulations compared to traditional CFD approaches? https://www.iahr.org/index/detail/2354

Attend the Webinar on the Water Monograph Application of the Lattice-Boltzmann Method in Hydraulics! And discover when to use the LB method based on your application needs and computational resources in our next interactive session.

📅 When? Monday, 02 June 2026 | 15:00 -16:00 h CEST

Join us for an insightful session exploring how the lattice-Boltzmann method impacts fluid flow simulations—and how hydraulic engineering and code implementation must adapt.

🎙️Speakers: Vladimir Nikora and Jos Derksen
👨‍💼Moderator: Damien Violeau

Register FREE at: https://www.iahr.org/index/detail/2354

DOWNLOAD the monograph at: https://www.iahr.org/library/infor?pid=39998

19/05/2026

🌊 Countdown to the 9th IAHR Europe Congress! 💧

We are thrilled to share an exclusive interview with Dr. @‌Anders Andersson, Congress Co-Chair! https://lnkd.in/e8Yqh6sU

In conversation with Ana Margarida Bento (Editor of Newsflash Europe), Dr. Andersson dives deep into the evolving world of Ecohydraulics. As Europe accelerates its green energy transition, Dr. Andersson explains how hydropower must evolve to balance renewable energy flexibility with ecological sustainability.

🔍Key Highlights:

➜ Vision for 2026: Creating a forum where scientists, engineers, and policymakers join forces to shape the future of hydraulic research.
➜ Technical Shifts: The transformation from 2D to 3D modeling and the exciting potential of "Digital Twins" for our river systems.
➜ Sustainability: Using field measurements and numerical simulations to improve fish migration and river health.
➜ Next Gen: A dedicated focus on empowering early-career researchers at the Luleå congress.

"Together, we can advance knowledge and solutions for the sustainable use of water... that support both people and nature."

➡️ Read the full interview at: https://lnkd.in/e8Yqh6sU

14/05/2026

Excited to see Aiecon Engineering Consultant joining the International Association for Hydro-Environment Engineering and Research (IAHR) as a new Institute Member! https://www.iahr.org/index/detail/2381

With more than 35 years of experience in civil and water engineering, Aiecon continues to contribute to critical areas including flood protection, storm drainage, groundwater management, marine and coastal engineering, and water supply systems. Their expertise in dam design, BIM, and GIS-driven project management reflects a strong commitment to innovation and sustainable infrastructure.

Congratulations to the Aiecon team on this milestone. Looking forward to seeing your continued impact within the global hydro-environment engineering community. 🌍💧

13/05/2026

📌Download the detailed program of the 9th IAHR Europe Congress https://www.ltu.se/en/research/research-subjects/fluid-mechanics/iahr-europe-congress/program

The countdown is on for the 9th IAHR Europe Congress in Luleå, Sweden, from June 9–12, 2026! Under the central theme, “Innovating Hydro-Environment Engineering for a Sustainable Future: Arctic Waters and Beyond,” the Congress will bring together the world's leading minds to address pressing global water challenges.

The detailed program of this 9th edition is now available on the Congress website.

📅 Plan Your Schedule:
➜ Pre-Congress (June 8): Master classes and early sessions will take place at the Luleå University of Technology (LTU) campus.
➜ Main Congress (June 9–12): The technical program moves to Kulturens hus in the heart of Luleå's city centre.

📥 What’s inside the detailed program?
➜ Comprehensive overviews of cutting-edge technical sessions.
➜ Special sessions, high-level panels, and master classes.
➜ Keynote speakers and networking events under 24 hours of Arctic daylight.

See you in Luleå! 🌊

🔗 View the schedule overview and download your full copy here: https://www.ltu.se/en/research/research-subjects/fluid-mechanics/iahr-europe-congress/program

12/05/2026

🌊We are honored to welcome CESEL S.A. as a new Institute Member! https://www.iahr.org/index/detail/2375

CESEL S.A. is a consulting firm with 50 years of experience providing multidisciplinary engineering consulting services. Their headquarters are in Peru, and they have branches and offices in several Latin American countries.

💧Its high technical level, experience and business capacity are reflected in the development of multiple consulting services, such as studies, designs, assembly and works supervision, project management, construction management, factory inspections, environmental studies, etc.

More info: https://www.iahr.org/index/detail/2375

➡️ Interested in joining IAHR as an Institute Member? https://www.iahr.org/institute-member/register-one

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