September 2026 

In this issue we are delighted to introduce you to the recently appointed IAHS Chair, Melody Sandells. We also present complete listings for recent issues of the Journal, together with synopses of key papers, including multiple Open Access and free-to-view featured articles.
Additionally, collections of published papers continue to grow in our recent very successful Special Issues, showcasing hydrological research in water security and land–atmosphere interactions, as well as a comprehensive survey of the history of hydrology. Be sure to explore our featured articles; in each issue of HSJ, the Co-editors select one article of particular interest to receive six months’ free access. Read it all here.