The IAHS community is more than 12,000 strong with members in over 150 countries contributing to the extensive programme of conferences and workshops, online discussions and IAHS publications
IAHS is one of the eight constituent associations of IUGG
IAHS has proudly and successfully coordinated two Scientific Decades, which, amongst other things, set the research agenda worldwide through collaborative forces. The third Scientific Decade 2023–2032 of IAHS launches a topic for collaborative efforts in hydrological sciences: HELPING, created through a participatory community process and by applying strategic planning. The third IAHS Scientific Decade is dedicated to local solutions under the global water crisis. The name HELPING, stands for Hydrology Engaging Local People IN one Global world. The HELPING Theme and Working Groups are now available for you to view and join. If you're curious about the IAHS Scientific Decades and want to learn more, don't hesitate to get in touch with us. Our team is passionate about what we do, and we'd love to share the details with you. Just drop us an email at [email protected], and let's embark on this scientific journey together. Your quest for knowledge starts here!
The International Conference "Sediment and Pollutants Transport in River Catchments: Radionuclides and Fingerprinting Techniques Applications for Assessment, Monitoring, and Risk Prevention" will be held in Astana, the capital of Kazakhstan, at the Kazakhstan Branch of Lomonosov Moscow State Univers....
We are proud to celebrate the remarkable achievement of Professor Günter Blöschl, former IAHS President, who was awarded the prestigious Stockholm Water Prize by His Majesty the King of Sweden on Wednesday 27 August in recognition of his outstanding contributions to hydrological science. ....
IAHS is pleased to announce that the 2025 Tison award goes to RuiRui Xu, Dexun Qiu and ChangXue Wu (China) for the paper: Xu, R., Qiu, D., Wu, C., Mu, X., Zhao, G., Sun, W., & Gao, P. (2023). Quantifying climate and anthropogenic impacts on runoff using the SWAT model, a Budyko-based a....
In this issue of the HSJ Digest, learn more about video abstracts and free access to HSJ, and discover a range of Open Access articles together with the editors’ selection of highly topical research from the latest three issues of the Journal. In our regular ‘Meet the Editor’ slot,....
As we mark the end of Prof. Berit Arheimer’s distinguished presidency, we warmly thank her for her leadership and dedication to the International Association of Hydrological Sciences (IAHS) since 2021. Berit, a Professor in Hydrological Research at the Swedish Meteorological and Hydrologica....
As we bid a heartfelt thank you to Prof. Berit Arheimer for her outstanding leadership over the past four years, we are pleased to officially welcome Prof. Salvatore Grimaldi as the new President of the International Association of Hydrological Sciences (IAHS). His term will run through to 2029. ....
We are pleased to invite you to the upcoming webinar “Future of Sociohydrology”, organised as part of the Early Career Researcher (ECR) program for the 2nd International Sociohydrology Conference, to be held in Tokyo this July. This webinar aims to spotlight the voices of early career....
The winner of the 2025 IAHS Falkenmark Award for best PhD thesis has been announced as Dr Vinícius Bogo Portal Chagas from Brazil for his PhD thesis entitled "Hydrological extremes in Brazil: Large-scale patterns, mechanisms, and change". He has provided significant contributions to the under....
IAHS and HSJ to join Bluesky for Hydrological Science Communication The evolving landscape of social media presents IAHS with an important opportunity to reflect on how we engage with our global community. As part of our commitment to adapt our digital presence in line with IAHS values, strategic....
We are pleased to reaffirm that the Hydrological Sciences Journal (HSJ) is the official journal of the International Association of Hydrological Sciences (IAHS). Published since 1956, the Hydrological Sciences Journal (HSJ) is a globally recognised, peer-reviewed journal dedicated to the ad....
The XIIth IAHS Scientific Assembly will take place 5-10 October 2025 in Roorkee, India. Preparation is continuing at full speed. The Scientific Assembly will be jointly organised by the Indian Institute of Technology Roorkee, in coordination with the National Institute of Hydrology Roorkee, Irrigation Research Institute Roorkee and CBRI–Central Building Research Institute (CBRI) Roorkee, four leading institutions in the field of water resources in India. The Assembly will experiment with an innovative new format aiming to underline the importance of the discipline of Hydrology and to increase the visibility of the next generation of hydrologists. Read more.
Hydrological Sciences Journal (HSJ) is the official Journal of the IAHS and provides a forum for original papers and for the exchange of information and views on significant developments in hydrology worldwide. It is published by Taylor & Francis and available online and in print format. IAHS also publishes three book series: 1.Benchmark Papers in Hydrology series that collects together, by theme, the seminal scientific papers that provided the foundation for modern hydrology; 2.Red Books or Proceedings and Reports series and from volume 369 (2015) the new online open-access proceedings journal, Proceedings of the IAHS, PIAHS; 3.Blue Books or Special Publications series. Details of all books can be found here.
The IAHS Digital Water Globe (DWG) is an innovative tool specially designed for, and by, IAHS members. Here you can give visibility to (un)published results, research sites and find peers for collaborating around the world. The Digital Water Globe will exploit the potential of an innovative digital arena for IAHS-community building, data/knowledge exchange and science communication in action. We invite you to view and contribute to the Digital Water Globe!
Click an icon on the spinning globe to explore case studies, scientific profiles, IAHS publications and data across the globe.