Interconnected riverine-lacustrine systems as sedimentary repositories: Case study in southeast Michigan using 210Pb and 137Cs-based sediment accumulation and mixing models

► Systematic establishment of chronologies on river channel sediments. ► Pb-210 and Cs-137 as tracers of soil and sediment erosion and sediment focusing. ► Accelerated erosion due to urbanization reflected in Pb-210 and Cs-137 inventories. ► Modeling the Pb-210 data to obtain reliable chronologies. ► Sediment accumulation and mixing rates using Pb-210 and Cs-137.