@article{hahner2026representing,
  title = {Representing the Surface Ocean in ECMWF's data-driven forecasting system AIFS},
  author = {Sara Hahner and Lorenzo Zampieri and Jean-Raymond Bidlot and Philip Browne and Matthew Chantry and Mariana C. A. Clare and Harrison Cook and Peter Dueben and Rachel Furner and Sarah Keeley and Josh Kousal and Simon Lang and Christian Lessig and Gert Mertes and Kristian Mogensen and Gabriel Moldovan and Charles Pelletier and Florian Pinault and Ana Prieto Nemesio and Baudouin Raoult and Irina Sandu and Mario Santa Cruz and Jakob Schloer and Steffen Tietsche and Hao Zuo},
  year = {2026},
  eprint = {2604.25559},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.25559},
}