Freshwater SciencePublished 30 July 2024Quantifying particulate organic matter: source composition and fluxes at the river-estuary interfaceFlorian Ferchiche · Camilla Liénart · Karine Charlier · Alexandra Coynel · Laureline Gorse-Labadie · Nicolas SavoyeFrontiers in Freshwater Sciencedoi 10.3389/ffwsc.2024.1437431