"Physical‑Biogeochemical Coupling in the Baltic Sea: How Joint Assimilation of Chlorophyll‑a and SST Reshapes Thermal Structure and Ecosystem Representation " - Interactive discussionhttps://egusphere.copernicus.org/preprints/2026/egusphere-2026-3657/2026-07-27T09:31:26+02:00Copernicus Publications