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Lookup NU author(s): Professor Hayley Fowler
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2025 The Authors. To mark the 40th anniversary of the British Hydrological Society, a landmark Discussion Meeting was held at the Royal Society in June 2024, bringing together a transdisciplinary community, including hydrologists, policymakers and practitioners, to reflect on four decades of progress and chart future directions for hydrology. This special issue presents a collection of papers from that meeting, addressing advances in data, modelling, forecasting and decision-making in the context of intensifying climate and hydrological extremes. Key themes include the need for open, reproducible science, greater integration of machine learning, AI and convection-permitting models and a shift towards transdisciplinary, co-produced knowledge that better supports adaptation, resilience and policy impact. The issue highlights the critical roles of education, collaboration and equity in shaping a hydrology that is not only technically advanced but socially and environmentally responsive to the challenges of the 21st century. This article is part of the discussion meeting issue 'Hydrology in the 21st century: challenges in science, to policy and practice'.
Author(s): Fowler HJ, Coxon G, White CJ
Publication type: Review
Publication status: Published
Journal: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Year: 2025
Volume: 383
Issue: 2302
Online publication date: 31/07/2025
Acceptance date: 14/07/2025
ISSN (print): 1364-503X
ISSN (electronic): 1471-2962
Publisher: Royal Society Publishing
URL: https://doi.org/10.1098/rsta.2024.0299
DOI: 10.1098/rsta.2024.0299
Data Access Statement: This article has no additional data
