The farthest point above the mouth of a river that can be navigated by ships.


Related Terms

HEADWATERS

The source of a stream or river

ICE JAM

An accumulation of broken river ice or sea ice caught in a narrow channel

ICE BRIDGE

1. Surface river ice of sufficient thickness to impede or prevent navigation. 2. An area of fast ice between the mainland and nearby inhabited islands used in winter as a means of travel

BAR PILOT

A bar pilot guides ships over the dangerous sandbars at the mouth of rivers and bays.

SKIFF

A small boat, traditionally a coastal or river craft, for leisure or fishing, with a single person or small crew. Sailing skiffs have developed into high performance competitive classes.

LEFT BANK

The bank of a stream or river on the left of an observer facing downstream

LIMAN CURRENT

Formed by part of the Tsushima Current and river dis- charge in Tatar Strait, the coastal Liman Current flows southward in the western part of the Sea of Japan. During winter, it may reach as far sout

TO DREDGE

To remove sediment from harbor or river bottoms for safety purposes and to allow for deeper vessels.

BAR BUOY

A buoy marking the location of a bar at the mouth of a river on approach to a harbor

BATTURE

An elevation of the bed of a river under the surface of the water; sometimes used to signify the same elevation when it has risen above the surface

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