The SALTWATER SCOR Working Group 172 will meet in person in Glasgow on February 21-22, 2026. The meeting agenda will focus on advancing key research topics of the group, namely, intercomparison of saltwater intrusion processes in estuaries and tidal rivers, and impacts of open ocean and coastal processes on saltwater intrusion. Objective of this session is the detailed planning of the Working Group’s activities for 2026 and 2027, including outlining research initiatives, academic and training programas, and outreach and dissemination strategies.