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- Abandoned canal
- Abandoned watercourse
A former stream or distributary no longer carrying flowing water, but still evident due to lakes, wetland, topographic or vegetation patterns.
- Abandoned well
A diverging branch flowing out of a main stream and rejoining it downstream.
An area where vessels may anchor.
A conduit used to carry water.
An elevation, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for most surface navigation.
A coastal indentation between two capes or headlands, larger than a cove but smaller than a gulf.
Coastal indentations between two capes or headlands, larger than a cove but smaller than a gulf.
An open body of water forming a slight recession in a coastline.
A wetland characterized by peat forming sphagnum moss, sedge, and other acid-water plants.
An artificial watercourse.
- Canal bend
A conspicuously curved or bent section of a canal.
- Canal tunnel
A tunnel through which a canal passes.
- Canalized stream
A stream that has been substantially ditched, diked, or straightened.
The deepest part of a stream, bay, lagoon, or strait, through which the main current flows.
A place where two or more streams or intermittent streams flow together.
- Coral reef(s)
A surface-navigation hazard composed of coral.
A small coastal indentation, smaller than a bay.
- Crater lake
A lake in a crater or caldera.
- Crater lakes
Lakes in a crater or caldera.
A horizontal flow of water in a given direction with uniform velocity.
A channel formed as a result of a stream cutting through a meander neck.
A branch which flows away from the main stream, as in a delta or irrigation canal.
A small artificial watercourse dug for draining or irrigating the land.
- Ditch mouth(s)
An area where a drainage ditch enters a lagoon, lake or bay.
A waterway between two piers, or cut into the land for the berthing of ships.
- Docking basin
A part of a harbor where ships dock.
- Drainage canal
An artificial waterway carrying water away from a wetland or from drainage ditches.
- Drainage ditch
A ditch which serves to drain the land.
A funnel-shaped stream mouth or embayment where fresh water mixes with sea water under tidal influences.
- Fishing area
A fishing ground, bank or area where fishermen go to catch fish.
Ponds or enclosures in which fish are kept or raised.
A long, narrow, steep-walled, deep-water arm of the sea at high latitudes, usually along mountainous coasts.
Long, narrow, steep-walled, deep-water arms of the sea at high latitudes, usually along mountainous coasts.
- Former inlet
An inlet which has been filled in, or blocked by deposits.
A type of hot spring with intermittent eruptions of jets of hot water and steam.
A mass of ice, usually at high latitudes or high elevations, with sufficient thickness to flow away from the source area in lobes, tongues, or masses.
A large recess in the coastline, larger than a bay.
A haven or space of deep water so sheltered by the adjacent land as to afford a safe anchorage for ships.
The source and upper part of a stream, including the upper drainage basin.
- Hot spring(s)
A place where hot ground water flows naturally out of the ground.
A dome-shaped mass of glacial ice covering an area of mountain summits or other high lands; smaller than an ice sheet.
- Icecap depression
A comparatively depressed area on an icecap.
- Icecap dome
A comparatively elevated area on an icecap.
- Icecap ridge
A linear elevation on an icecap.
A narrow waterway extending into the land, or connecting a bay or lagoon with a larger body of water.
- Intermittent lake
- Intermittent lakes
- Intermittent oxbow lake
- Intermittent pond
- Intermittent ponds
- Intermittent pool
- Intermittent reservoir
- Intermittent salt lake
- Intermittent salt lakes
- Intermittent salt pond(s)
- Intermittent stream
- Intermittent wetland
- Irrigation canal
A canal which serves as a main conduit for irrigation water.
- Irrigation ditch
A ditch which serves to distribute irrigation water.
- Irrigation system
A network of ditches and one or more of the following elements: water supply, reservoir, canal, pump, well, drain, etc..
A shallow coastal waterbody, completely or partly separated from a larger body of water by a barrier island, coral reef or other depositional feature.
Shallow coastal waterbodies, completely or partly separated from a larger body of water by a barrier island, coral reef or other depositional feature.
A large inland body of standing water.
- Lake bed(s)
A dried up or drained area of a former lake.
- Lake channel(s)
That part of a lake having water deep enough for navigation between islands, shoals, etc..
Large inland bodies of standing water.
- Lost river
A surface stream that disappears into an underground channel, or dries up in an arid area.
- Mangrove swamp
A tropical tidal mud flat characterized by mangrove vegetation.
- Marine channel
That part of a body of water deep enough for navigation through an area otherwise not suitable.
A wetland dominated by grass-like vegetation.
An area of open ground overlaid with wet peaty soils.
- Mud flat(s)
A relatively level area of mud either between high and low tide lines, or subject to flooding.
A navigable narrow part of a bay, strait, river, etc..
- Navigation canal(s)
A watercourse constructed for navigation of vessels.
- Navigation channel
A buoyed channel of sufficient depth for the safe navigation of vessels.
One of the major divisions of the vast expanse of salt water covering part of the earth.
An area of breaking waves caused by the meeting of currents or by waves moving against the current.
- Oxbow lake
A crescent-shaped lake commonly found adjacent to meandering streams.
A small standing waterbody.
Small standing waterbodies.
A small and comparatively still, deep part of a larger body of water such as a stream or harbor; or a small body of standing water.
A turbulent section of a stream associated with a steep, irregular stream bed.
A small, narrow, deep, steep-sided stream channel, smaller than a gorge.
A straight section of a navigable stream or channel between two bends.
A surface-navigation hazard composed of consolidated material.
An artificial pond or lake.
An open anchorage affording less protection than a harbor.
A salt flat or salt encrusted plain subject to periodic inundation from flooding or high tides.
- Salt evaporation ponds
Diked salt ponds used in the production of solar evaporated salt.
- Salt lake
An inland body of salt water with no outlet.
- Salt lakes
Inland bodies of salt water with no outlet.
- Salt marsh
A flat area, subject to periodic salt water inundation, dominated by grassy salt-tolerant plants.
- Salt pond
A small standing body of salt water often in a marsh or swamp, usually along a seacoast.
- Salt ponds
Small standing bodies of salt water often in a marsh or swamp, usually along a seacoast.
A large body of salt water more or less confined by continuous land or chains of islands forming a subdivision of an ocean.
- Seaplane landing area
A place on a waterbody where floatplanes land and take off.
- Section of bank
- Section of canal
- Section of harbor
- Section of intermittent stream
- Section of lagoon
- Section of lake
- Section of reef
- Section of stream
- Section of wadi
- Section of waterfall(s)
A surface-navigation hazard composed of unconsolidated material.
The low part of an underwater gap or saddle separating basins, including a similar feature at the mouth of a fjord.
A long arm of the sea forming a channel between the mainland and an island or islands; or connecting two larger bodies of water.
A place where ground water flows naturally out of the ground.
A relatively narrow waterway, usually narrower and less extensive than a sound, connecting two larger bodies of water.
A body of running water moving to a lower level in a channel on land.
- Stream bank
A sloping margin of a stream channel which normally confines the stream to its channel on land.
- Stream bend
A conspicuously curved or bent segment of a stream.
- Stream mouth(s)
A place where a stream discharges into a lagoon, lake, or the sea.
Bodies of running water moving to a lower level in a channel on land.
- Sulphur spring(s)
A place where sulphur ground water flows naturally out of the ground.
A wetland dominated by tree vegetation.
- Tidal creek(s)
A meandering channel in a coastal wetland subject to bi-directional tidal currents.
- Tidal flat(s)
A large flat area of mud or sand attached to the shore and alternately covered and uncovered by the tide.
- Underground irrigation canal(s)
A gently inclined underground tunnel bringing water for irrigation from aquifers.
- Underground lake
A standing body of water in a cave.
A valley or ravine, bounded by relatively steep banks, which in the rainy season becomes a watercourse; found primarily in North Africa and the Middle East.
- Wadi bend
A conspicuously curved or bent segment of a wadi.
- Wadi junction
A place where two or more wadies join.
- Wadi mouth
The lower terminus of a wadi where it widens into an adjoining floodplain, depression, or waterbody.
Valleys or ravines, bounded by relatively steep banks, which in the rainy season become watercourses; found primarily in North Africa and the Middle East.
- Water tank
A contained pool or tank of water at, below, or above ground level.
A natural, well-defined channel produced by flowing water, or an artificial channel designed to carry flowing water.
A perpendicular or very steep descent of the water of a stream.
A natural hole, hollow, or small depression that contains water, used by man and animals, especially in arid areas.
A cylindrical hole, pit, or tunnel drilled or dug down to a depth from which water, oil, or gas can be pumped or brought to the surface.
Cylindrical holes, pits, or tunnels drilled or dug down to a depth from which water, oil, or gas can be pumped or brought to the surface.
An area subject to inundation, usually characterized by bog, marsh, or swamp vegetation.
A turbulent, rotating movement of water in a stream.