“…Flocs are highly porous, low density, fragile structures that aggregate, disaggregate, and settle in a variety of environments, including estuaries [1 , 5 , 6] . Flocs contribute to, and facilitate, the exchange and transport of contaminants and pollutants, erosional processes and alternations in fluvial geomorphology in estuarine environments [7] , [8] , [9] , [10] , [11] .…”