Graphical abstract showing phosphate discharged from the Susquehanna River to the Chesapeake Bay could be derived by desorpti

Phosphate discharged from the Susquehanna River to the Chesapeake Bay could be derived, in part, by desorption from legacy sediments accumulated in impoundments along the lower reaches of the river owing to increasing pH of the river water over recent decades.
Legacy sediment as a potential source of orthophosphate: Preliminary conceptual and geochemical models for the Susquehanna River, Chesapeake Bay watershed, USA