Anthropogenic iron alters the spring phytoplankton bloom in the North Pacific transition zone - Nicholas J. Hawco; Tim M. Conway; Sacha N. Coesel; Benedetto Barone; Emily A. Seelen; Shun-Chung Yang; Randelle M. Bundy; Paulina Pinedo-Gonzalez; Xiaopeng Bian; Matthias Sieber; Nathan T. Lanning; Jessica N. Fitzsimmons; et al. (Proceedings of the National Academy of Sciences, 2025)