The EGU General Assembly 2025 is just around the corner! It will take place on 27 April – 2 May 2025, with more than 19,000 presentations (orals, posters, and PICOs) that will be delivered and viewed both on-site in Vienna (Austria Center Vienna) and virtually (through Zoom & Gather Town). The Hydrological Sciences Division offers a myriad of interesting sessions, as well as networking e ...[Read More]
History of Hydrology@EGU2025 and beyond

You are certainly aware of the continued efforts of a group of hydrologists, with the lead of Keith Beven, to shed light on the history of hydrology, including the History of Hydrology Wiki . Looking back to those who shaped our science, the questions they addressed and those that remain open is essential to understand the role of hydrology in earth system sciences, in the development of field res ...[Read More]
Mapping the Future of Freshwater: An Interview with Niko Wanders on the World Water Map Project
Back in 2022, two hydrologists and water resources specialists from University of Utrecht launched the World Water Map in collaboration with the National Geographic Society and ESRI. Based on the outputs of their global hydrological model PCR-GLOBWB, the team of Marc Bierkens and Niko Wanders map global water resources and identify the regions most at risk of water scarcity. The maps combine stat ...[Read More]
Hortonian overland flow: when theory becomes reality
Hortonian overland flow – if you have ever followed a hydrology class, you have certainly come across this jargon: this is the name of a hydrological process – when rainfall flows off at the terrain surface because the rainfall intensity is so high that not all the water can infiltrate into the soil (rainfall intensity is higher than infiltration capacity). Almost every hydrological m ...[Read More]