A report on Stream

Aubach (Wiehl) in North Rhine-Westphalia, Germany
Rocky stream in Italy
Frozen stream in Enäjärvi, Pori, Finland
Stream near Montriond in southeastern France
Wyming Brook in Sheffield, UK
A small stream in Lake Parramatta, Sydney
Stream with low gradient surrounded by natural riparian vegetation (Rhineland-Palatinate)
A low level stream in Macon County, Illinois, US
Small tributary stream, Diamond Ridge, Alaska, US
Creek in Perisher Ski Resort, Australia
Stream in Southbury, US
Australian creek, low in the dry season, carrying little water. The energetic flow of the stream had, in flood, moved finer sediment further downstream. There is a pool to lower right and a riffle to upper left of the photograph.
Stream in Alberta
A small, narrow stream flowing down a tiny dell in Pennsylvania.

Continuous body of surface water flowing within the bed and banks of a channel.

- Stream
Aubach (Wiehl) in North Rhine-Westphalia, Germany

37 related topics with Alpha

Overall
The Amazon River (dark blue) and the rivers which flow into it (medium blue).

River

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The Amazon River (dark blue) and the rivers which flow into it (medium blue).
The start of a mountain stream.
Melting toe of Athabasca Glacier, Jasper National Park, Alberta, Canada
The Colorado River at Horseshoe Bend, Arizona
The Porvoo River (Porvoonjoki) in the medieval town of Porvoo, Finland
Nile River delta, as seen from Earth orbit. The Nile is an example of a wave-dominated delta that has the classic Greek letter delta (Δ) shape after which river deltas were named.
A radar image of a 400 km river of methane and ethane near the north pole of Saturn's moon Titan
River meandering course
Flash flooding caused by a large amount of rain falling in a short amount of time
The mouth of the River Seaton in Cornwall after heavy rain caused flooding and significant erosion of the beach.
Frozen river in Alaska
Leisure activities on the River Avon at Avon Valley Country Park, Keynsham, United Kingdom. A boat giving trips to the public passes a moored private boat.
Watermill in Belgium.
River bank repair

A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river.

Vivari Channel in Albania links Lake Butrint with the Straits of Corfu.

Channel (geography)

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Type of landform consisting of the outline of a path of relatively shallow and narrow body of water or of other fluids , most commonly the confine of a river, river delta or strait.

Type of landform consisting of the outline of a path of relatively shallow and narrow body of water or of other fluids , most commonly the confine of a river, river delta or strait.

Vivari Channel in Albania links Lake Butrint with the Straits of Corfu.
Wooden pilings mark the navigable channel for vessels entering Lake George from the St. Johns River in Florida.

A stream channel is the physical confine of a stream (river) consisting of a bed and stream banks.

Diagram of a river's left and right banks

Bank (geography)

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Land alongside a body of water.

Land alongside a body of water.

Diagram of a river's left and right banks
A sloping sandy point bar (close side) and the vegetation-stabilized cut bank (far side) on the Namoi River in New South Wales, Australia. These two constitute the banks of the river.
A man-made lake in Keukenhof with grass banks
An eastern bank of the Pielisjoki in Joensuu, Finland

In limnology (the study of inland waters), a stream bank or river bank is the terrain alongside the bed of a river, creek, or stream.

The Aubach (Wiehl) in Germany (Watercourse)

Body of water

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Any significant accumulation of water on the surface of Earth or another planet.

Any significant accumulation of water on the surface of Earth or another planet.

The Aubach (Wiehl) in Germany (Watercourse)
A fjord (Lysefjord) in Norway
River Gambia, Niokolokoba National Park
Port Jackson, Sydney, New South Wales
The Canal Grande in Venice, one of the major water-traffic corridors in the city. View from the Accademia bridge.
A tide pool in Santa Cruz, California with sea anemones and sea stars
A weir in Toledo, Spain. Weirs are frequently used to change the height of a riverlevel, prevent floodings, and measure water discharge.

A body of water does not have to be still or contained; rivers, streams, canals, and other geographical features where water moves from one place to another are also considered bodies of water.

A stream bed armored with rocks

Stream bed

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A stream bed armored with rocks
The old bed of the Mississippi River near Kaskaskia, Illinois, left behind after the river shifted
A woman digs in a dry stream bed in Kenya to find water during a drought.

A stream bed or streambed is the channel bottom of a stream or river, the physical confine of the normal water flow.

A well-preserved natural riparian strip on a tributary to Lake Erie

Riparian zone

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A well-preserved natural riparian strip on a tributary to Lake Erie
Thick riparian vegetation along the Pisuerga River in Spain
Riparian zone along Trout Creek in the Trout Creek Mountains, part of the Burns Bureau of Land Management District in southeastern Oregon. The creek provides critical habitat for trout.
250px
alt=A rocky, brown stream bank mostly bare of vegetation, with a few aspen trees in the background|Cottonwood Creek riparian area in southeastern Oregon before restoration, 1988
alt=The same stream bank lined with short grasses, with more aspen trees in the background|Cottonwood Creek riparian area during recovery, 2000
alt=The same stream bank lined with higher grasses that obscure most of the water, with a thicker aspen grove behind|Cottonwood Creek riparian area after restoration, 2002

A riparian zone or riparian area is the interface between land and a river or stream.

The daylighted Saw Mill River in Getty Square, Yonkers, New York, had been covered by a parking lot

Daylighting (streams)

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Daylighting can be defined as "opening up buried watercourses and restoring them to more natural conditions".

Daylighting can be defined as "opening up buried watercourses and restoring them to more natural conditions".

The daylighted Saw Mill River in Getty Square, Yonkers, New York, had been covered by a parking lot
A short stretch of Lower Marin Creek in UC Village in Albany, California has been daylighted
The historic stream network in Vancouver, B.C.
Hastings Creek Restored at Creekway Park. Vancouver, B.C.
Daylighted Stream at Spanish Banks, Vancouver, B.C.
After: East Credit Tributary stream restoration
After: Cheonggyecheon creek fully restored

An alternative definition refers to "the practice of removing streams from buried conditions and exposing them to the Earth's surface in order to directly or indirectly enhance the ecological, economic and/or socio-cultural well-being of a region and its inhabitants”. The term is used to refer to the restoration of an originally open-air watercourse, which had at some point been diverted below ground, back into an above-ground channel. Typically, the rationale behind returning the riparian environment of a stream, wash, or river to a more natural state is to reduce runoff, create habitat for species in need of it, or improve an area's aesthetics. In the UK, the practice is also known as deculverting.

The Nam Khan flows into the Mekong at Luang Prabang in Laos.

Tributary

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The Nam Khan flows into the Mekong at Luang Prabang in Laos.
At Harpers Ferry, West Virginia, looking downstream, the Shenandoah River (bottom right) meets the Potomac River, which flows from bottom left to top right. So the Shenandoah is a right tributary of the Potomac, not a left tributary.
The basin of the Amazon River is a system made up of many tributary streams. The streams shown on the map besides the Amazon are tributaries of the Amazon.
The Benue River is fed by multiple tributaries originating in the Adamawa Plateau; many of the highest tributaries are seasonal streams. The Benue is itself a major tributary of the Niger.
Huai River (itself a tributary of the Yangtze) and tributaries
Jialing River (itself a tributary of the Yangtze) and tributaries
The Liao River is a much simpler example of a river basin with tributaries. The main tributaries noted on this map are the Hun River, Taizi River, Dongliao River, Xinkai River, Xiliao River, Xar Moron River and the Laoha River. The Xiliao River's tributaries are the Xar Moron and Laoha rivers.
The Mekong is a trans-boundary river, originating in the Tibetan Plateau. Its upper tributary river systems (e.g. the Salween River) are restricted to narrow gorges, but the tributaries that feed its lower reaches (e.g. the Mun River) cover larger areas.
The water basin of the Wabash River; the other rivers (not including the Ohio River) are tributaries of the Wabash River. The Vermillion River (and its forks) is a highlighted example of a tributary of the Wabash River. The Wabash River is also a tributary of the Ohio River, which in turn is a tributary of the Mississippi River.
The Yamuna is the second-largest tributary river of the Ganges and the longest tributary in India. It flows almost parallel to the Ganges about its right bank for {{convert|1376|km}} before merging with it at the Triveni Sangam, Allahabad.

A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake.

Lake Toba in North Sumatra, Indonesia is the largest volcanic lake in the world

Lake

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Area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake.

Area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake.

Lake Toba in North Sumatra, Indonesia is the largest volcanic lake in the world
Lake Sevan is the largest body of water in Armenia and the Caucasus region. It is one of the largest freshwater high-altitude (alpine) lakes in Eurasia.
Peyto Lake in Alberta, Western Canada
Oeschinen Lake in the Swiss Alps
Lake Tahoe on the border of California and Nevada
Atro/Attar Lake and pass, Ishkoman Valley, Gilgit-Baltistan
There are some 187,888 lakes in Finland larger than 500 square metres. Isojärvi is Finland's 97th-largest lake.
The shores of Lake Peipus, the fifth-largest lake in Europe, near the town of Kallaste in Estonia
The Seven Rila Lakes are a group of glacial lakes in the Bulgarian Rila mountains.
The crater lake of Mount Rinjani, Indonesia
Lake Kaniere is a glacial lake in the West Coast region of New Zealand.
The Nowitna River in Alaska. Two oxbow lakes – a short one at the bottom of the picture and a longer, more curved one at the middle-right.
These kettle lakes in Alaska were formed by a retreating glacier.
Ice melting on Lake Balaton in Hungary
Lakes can have significant cultural importance. The West Lake of Hangzhou has inspired romantic poets throughout the ages, and has been an important influence on garden designs in China, Japan and Korea.
Lake Mapourika, New Zealand
Five Flower Lake in Jiuzhaigou, Sichuan
Lake Teletskoye, Siberia
Lake of Flowers (Liqeni i Lulëve), one of the Lurë Mountains glacial lakes, Albania
Cross sectional diagram of limnological lake zones (left) and algal community types (right)
Ephemeral 'Lake Badwater', a lake only noted after heavy winter and spring rainfall, Badwater Basin, Death Valley National Park, 9 February 2005. Landsat 5 satellite photo
Badwater Basin dry lake, 15 February 2007. Landsat 5 satellite photo
Titan's north polar hydrocarbon seas and lakes, as seen in a false-color Cassini synthetic aperture radar mosaic
The Caspian Sea is either the world's largest lake or a full-fledged sea
Round Tangle Lake, one of the Tangle Lakes, 2,864 feet (873 m) above sea level in interior Alaska

Lakes can be contrasted with rivers or streams, which usually flow in a channel on land.

Sandbar between St Agnes and Gugh on the Isles of Scilly, off the coast of Cornwall, England, United Kingdom

Shoal

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Natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material and rises from the bed of a body of water to near the surface.

Natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material and rises from the bed of a body of water to near the surface.

Sandbar between St Agnes and Gugh on the Isles of Scilly, off the coast of Cornwall, England, United Kingdom
A tidal sandbar connecting the islands of Waya and Wayasewa of the Yasawa Islands, Fiji
Sandbar between Nosy Iranja Be and Nosy Iranja Kely (Nosy Iranja, Madagascar)
Amanohashidate in Miyazu, Kyoto Prefecture, Japan
White Island in Camiguin, Philippines
A sandbar off Suffolk County, Long Island, New York, USA, August 2006.
The Doom Bar sand bank extends across the River Camel estuary in Cornwall, England, UK
Shoals in the Mississippi River at Arkansas and Mississippi, USA.

They can develop where a stream, river, or ocean current promotes deposition of sediment and granular material, resulting in localized shallowing (shoaling) of the water.