Silting refers to the build-up of silt on the bottom of the harbor or port. This build-up or silting will reduce the effective depth of the harbor or port, and dredging will h…ave to be conducted to remove it to restore depth to the port..
Silting results from the emptying of a river or waterway into a bay where the port is located, or it could result from the action of tides and/or currents in the ocean. Any of these represent the action of moving water, and when water moves, it can carry with in any number of things, including fine sediment that settles out as silt. ( Full Answer )