Dynamic Sediment Environments
- Most contaminants strongly associated with solids
- Contaminant dynamics largely defined by sediment dynamics
- Historically contaminated sediments often associated with net depositional environments, but….
- Sediment environment may have changed
- Removal of hydraulic barriers (e.g. dams)
- Capping may have changed bed depth relative to equilibrium surface
- Sediments may still be subject to episodic erosional events