Dolly Bar
Dolly Bar is a sandbar that forms at the entrance of a river or harbor, causing a shallow and dangerous channel for ships to navigate. It is typically caused by the accumulation of sediment carried by the river or ocean currents, and can shift and change location over time. Dolly Bars can pose a significant hazard to maritime traffic, as ships may run aground or become stuck in the shallow waters. In order to mitigate the risk, dredging may be necessary to remove the sediment and deepen the channel. Additionally, navigational aids such as buoys and beacons may be installed to help guide ships safely through the area.
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