SettingsRivers
Anabranch
An anabranch is a section of a river or stream that diverts from the main channel or stem of the watercourse and rejoins the main stem downstream.
An anabranch is a section of a river or stream that diverts from the main channel or stem of the watercourse and rejoins the main stem downstream.
Avulsion (river)
In sedimentary geology and fluvial geomorphology, avulsion is the rapid abandonment of a river channel and the formation of a new river channel.
In sedimentary geology and fluvial geomorphology, avulsion is the rapid abandonment of a river channel and the formation of a new river channel.
Baer's law
In geology, Baer's law, named after Karl Ernst von Baer, says that, because of the rotation of the earth, in the Northern Hemisphere, erosion occurs mostly on the right banks of rivers and in th...
In geology, Baer's law, named after Karl Ernst von Baer, says that, because of the rotation of the earth, in the Northern Hemisphere, erosion occurs mostly on the right banks of rivers and in th...
Blackwater river
A blackwater river is a river with a deep, slow-moving channel that flows through forested swamps and wetlands.
A blackwater river is a river with a deep, slow-moving channel that flows through forested swamps and wetlands.
Braided river
A braided river is one of a number of channel types and has a channel that consists of a network of small channels separated by small and often temporary islands called braid bars or, in British...
A braided river is one of a number of channel types and has a channel that consists of a network of small channels separated by small and often temporary islands called braid bars or, in British...
Channel types
A wide variety of river and stream channel types exist in limnology.
A wide variety of river and stream channel types exist in limnology.
Crevasse splay
A crevasse splay is a sedimentary feature which forms when an overloaded stream breaks a natural or artificial levee and deposits sediment on a floodplain.
A crevasse splay is a sedimentary feature which forms when an overloaded stream breaks a natural or artificial levee and deposits sediment on a floodplain.
Current (stream)
A current, in a river or stream, is the flow of water influenced by gravity as the water moves downhill to reduce its potential energy.
A current, in a river or stream, is the flow of water influenced by gravity as the water moves downhill to reduce its potential energy.
Discharge (hydrology)
In hydrology, discharge is the volume rate of water flow, including any suspended solids, dissolved chemical species and/or biologic material, which is transported through a given cross-sectiona...
In hydrology, discharge is the volume rate of water flow, including any suspended solids, dissolved chemical species and/or biologic material, which is transported through a given cross-sectiona...
Distributary
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel.
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel.
Drainage basin
A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another ...
A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another ...
Drainage density
Drainage density is the total length of all the streams and rivers in a drainage basin divided by the total area of the drainage basin.
Drainage density is the total length of all the streams and rivers in a drainage basin divided by the total area of the drainage basin.
Drainage divide
A drainage divide, water divide, divide or watershed is the line separating neighbouring drainage basins.
A drainage divide, water divide, divide or watershed is the line separating neighbouring drainage basins.
Drainage system (geomorphology)
In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular drainage basin.
In geomorphology, a drainage system is the pattern formed by the streams, rivers, and lakes in a particular drainage basin.
Entrenched river
An entrenched river is a river that is confined to a canyon or gorge, usually with a relatively narrow width and little or no flood plain, and often with meanders worn into the landscape.
An entrenched river is a river that is confined to a canyon or gorge, usually with a relatively narrow width and little or no flood plain, and often with meanders worn into the landscape.
Environmental flow
Environmental flow refers to the amount of water needed in a watercourse to maintain healthy ecosystems.
Environmental flow refers to the amount of water needed in a watercourse to maintain healthy ecosystems.
Ephemeral
Ephemeral things (from Greek εφήμερος – ephemeros, literally "lasting only one day") are transitory, existing only briefly.
Ephemeral things (from Greek εφήμερος – ephemeros, literally "lasting only one day") are transitory, existing only briefly.
Flood control channel
Flood control channels are a series of large and empty (except when a flood is actually present) open-air channels that extend a ways below the street levels of some larger cities, so that if an...
Flood control channels are a series of large and empty (except when a flood is actually present) open-air channels that extend a ways below the street levels of some larger cities, so that if an...
Flood pulse concept
The flood pulse concept is an important part of the river flood plain ecosystems around the world.
The flood pulse concept is an important part of the river flood plain ecosystems around the world.
Flood-meadow
A flood-meadow (or floodmeadow) is an area of grassland or pasture beside a river, subject to seasonal flooding.
A flood-meadow (or floodmeadow) is an area of grassland or pasture beside a river, subject to seasonal flooding.
Ford (crossing)
A ford is a shallow place with good footing where a river or stream may be crossed by wading or in a vehicle.
A ford is a shallow place with good footing where a river or stream may be crossed by wading or in a vehicle.
Frazil ice
Frazil ice is a collection of loose, randomly oriented needle-shaped ice crystals in water.
Frazil ice is a collection of loose, randomly oriented needle-shaped ice crystals in water.
G. H. Dury
George H. Dury devised a model showing the relationship between river discharge and other stream variables.
George H. Dury devised a model showing the relationship between river discharge and other stream variables.
GH Dury
GH Dury devised a model showing the relationship between river discharge and other stream variables.
GH Dury devised a model showing the relationship between river discharge and other stream variables.
Glaciolacustrine deposits
Sediments deposited into lakes that have come from glaciers are called glaciolacustrine deposits.
Sediments deposited into lakes that have come from glaciers are called glaciolacustrine deposits.
Hack's law
Hack's law is an empirical relationship between the length of streams and the area of their basins.
Hack's law is an empirical relationship between the length of streams and the area of their basins.
Haraz River
Haraz is a river in Mazandaran Province, northern Iran that flows northward from foot of Mount Damavand across Larijan, through Amol city, and finally to the Caspian Sea between Mahmood Abad an...
Haraz is a river in Mazandaran Province, northern Iran that flows northward from foot of Mount Damavand across Larijan, through Amol city, and finally to the Caspian Sea between Mahmood Abad an...
Harmonised monitoring scheme
The Harmonised monitoring scheme is a long term river water quality monitoring scheme in the UK. The term is also used to refer to the long term data sets produced by the scheme.
The Harmonised monitoring scheme is a long term river water quality monitoring scheme in the UK. The term is also used to refer to the long term data sets produced by the scheme.
Helicoidal flow
Helicoidal flow is the cork-screw-like flow of water in a meander.
Helicoidal flow is the cork-screw-like flow of water in a meander.
Ice circle
An ice disc, ice circle, or ice pan is a natural phenomenon that occurs in slow moving water in cold climates.
An ice disc, ice circle, or ice pan is a natural phenomenon that occurs in slow moving water in cold climates.
Integrated catchment management
Integrated catchment management is a subset of environmental planning which approaches sustainable resource management from a catchment perspective, in contrast to a piecemeal approach that arti...
Integrated catchment management is a subset of environmental planning which approaches sustainable resource management from a catchment perspective, in contrast to a piecemeal approach that arti...
International Rivers
International Rivers is a non-profit, non-governmental, environmental and human rights organization based in Berkeley, California, United States.
International Rivers is a non-profit, non-governmental, environmental and human rights organization based in Berkeley, California, United States.
Ithaca Creek
Ithaca Creek is a waterway in the Enoggera Catchment, in the western suburbs of Brisbane, Queensland, Australia.
Ithaca Creek is a waterway in the Enoggera Catchment, in the western suburbs of Brisbane, Queensland, Australia.
Kirtankhola
Kirtankhola is a river that starts from Sayeshtabad in barisal district and ends into the Gajalia near Gabkhan khal.
Kirtankhola is a river that starts from Sayeshtabad in barisal district and ends into the Gajalia near Gabkhan khal.
Lay Mro
Lay Mro>lemro>laymyomyit>is a river on the side of which is the ancient Arakan kingdom, Mrauk-U Township, in Rakhine state, Myanmar situated.
Lay Mro>lemro>laymyomyit>is a river on the side of which is the ancient Arakan kingdom, Mrauk-U Township, in Rakhine state, Myanmar situated.
Lock (water transport)
A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways.
A lock is a device for raising and lowering boats between stretches of water of different levels on river and canal waterways.
Log jam
A log jam is an accumulation of Large Woody Debris (logs more than four inches in diameter and over six feet long) that can span an entire stream or river channel.
A log jam is an accumulation of Large Woody Debris (logs more than four inches in diameter and over six feet long) that can span an entire stream or river channel.
Lotic ecosystem
A lotic ecosystem is the ecosystem of a river, stream or spring.
A lotic ecosystem is the ecosystem of a river, stream or spring.
Main river
Main rivers are a statutory type of watercourse in England and Wales, usually larger streams and rivers, but also include some smaller watercourses.
Main rivers are a statutory type of watercourse in England and Wales, usually larger streams and rivers, but also include some smaller watercourses.
Main stem
In rivers and hydrology, the main stem is defined as the principal channel within a given drainage basin, into which all of the tributary streams in a drainage basin flow.
In rivers and hydrology, the main stem is defined as the principal channel within a given drainage basin, into which all of the tributary streams in a drainage basin flow.
Mouth (water stream)
Mouth is a part of a stream where it pours into another stream, river, lake, reservoir, sea, or ocean.
Mouth is a part of a stream where it pours into another stream, river, lake, reservoir, sea, or ocean.
Mud Creek (Henry County Illinois)
Mud Creek is a rural creek that forms from a small canal that connects the Hennepin Canal and the Green River in Eastern Henry County, Illinois and flows southeast for about 15 miles to west of ...
Mud Creek is a rural creek that forms from a small canal that connects the Hennepin Canal and the Green River in Eastern Henry County, Illinois and flows southeast for about 15 miles to west of ...
Myu River
Myu River (or Mayu River) is in Rakhine State, Myanmar.
Myu River (or Mayu River) is in Rakhine State, Myanmar.
Nagar River
Nagar River is in the Bogra District of Bangladesh: The Nagar is a branch of the Karatoya and serves as the boundary between the Sibganj and Bogra thanas, for about seven miles.
Nagar River is in the Bogra District of Bangladesh: The Nagar is a branch of the Karatoya and serves as the boundary between the Sibganj and Bogra thanas, for about seven miles.
Ordinary high water mark
Ordinary high water mark refers to the highest level reached by a body of water that has been maintained for a sufficient period of time to leave evidence on the landscape.
Ordinary high water mark refers to the highest level reached by a body of water that has been maintained for a sufficient period of time to leave evidence on the landscape.
Oxbow lake
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake.
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake.
Perennial stream
A perennial stream or perennial river is a stream or river that has continuous flow in parts of its stream bed all year round during years of normal rainfall.
A perennial stream or perennial river is a stream or river that has continuous flow in parts of its stream bed all year round during years of normal rainfall.
Qua Iboe River
Qua Iboe River or Kwa Ibo River is a river in Nigeria.
Qua Iboe River or Kwa Ibo River is a river in Nigeria.
Rapid
A rapid is a section of a river where the river bed has a relatively steep gradient causing an increase in water velocity and turbulence.
A rapid is a section of a river where the river bed has a relatively steep gradient causing an increase in water velocity and turbulence.
Reach (geography)
A reach in geography can mean several things.
A reach in geography can mean several things.
Rejuvenation (river)
A river is said to be rejuvenated when the base level that it is flowing down to is lowered.
A river is said to be rejuvenated when the base level that it is flowing down to is lowered.
Relief ratio
The relief ratio is a number calculated to describe the Grade (slope) of a river or stream.
The relief ratio is a number calculated to describe the Grade (slope) of a river or stream.
Revetment
Revetments, or revêtements (the original French word, meaning something to re-cloth or re-cover), have a variety of meanings in architecture, engineering and art history.
Revetments, or revêtements (the original French word, meaning something to re-cloth or re-cover), have a variety of meanings in architecture, engineering and art history.
Rheophile
A rheophile is an organism that prefers to live in fast moving water.
A rheophile is an organism that prefers to live in fast moving water.
Riffle
A Riffle is a short, relatively shallow and coarse-bedded length of stream over which the stream flows at lower velocity and higher turbulence than it normally does in comparison to a pool.
A Riffle is a short, relatively shallow and coarse-bedded length of stream over which the stream flows at lower velocity and higher turbulence than it normally does in comparison to a pool.
Riffle-pool sequence
In a flowing stream, a riffle-pool sequence (also known as a pool-riffle sequence) develops as a stream's hydrological flow structure alternates from areas of relatively shallow to deeper water.
In a flowing stream, a riffle-pool sequence (also known as a pool-riffle sequence) develops as a stream's hydrological flow structure alternates from areas of relatively shallow to deeper water.
Riparian zone restoration
Riparian Zone Restoration is the ecological restoration of Riparian zone habitats of streams, rivers, springs, lakes, floodplains, and other hydrologic ecologies.
Riparian Zone Restoration is the ecological restoration of Riparian zone habitats of streams, rivers, springs, lakes, floodplains, and other hydrologic ecologies.
River
rivers are highly unnatural and can kill people at will by farting watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river.
rivers are highly unnatural and can kill people at will by farting watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river.
River channel migration
River channel migration is the lateral motion of an alluvial river channel across its floodplain due to processes of erosion of and deposition on its banks and bars.
River channel migration is the lateral motion of an alluvial river channel across its floodplain due to processes of erosion of and deposition on its banks and bars.
River ecosystem
River ecosystems are prime examples of lotic ecosystems.
River ecosystems are prime examples of lotic ecosystems.
River engineering
River engineering is the process of planned human intervention in the course, characteristics or flow of a river with the intention of producing some defined benefit.
River engineering is the process of planned human intervention in the course, characteristics or flow of a river with the intention of producing some defined benefit.
River mile
In the United States, a River mile is a measure of distance in miles along a river from its mouth.
In the United States, a River mile is a measure of distance in miles along a river from its mouth.
River morphology
The terms river morphology and its synonym fluvial geomorphology are used to describe the shapes of river channels and how they change over time.
The terms river morphology and its synonym fluvial geomorphology are used to describe the shapes of river channels and how they change over time.
River mouth
Mouth is a part of a stream where it flows into another stream, river, lake, reservoir, sea, or ocean.
Mouth is a part of a stream where it flows into another stream, river, lake, reservoir, sea, or ocean.
River source
The source or headwaters of a river or stream is the furthest place in that river or stream from its estuary or confluence with another river, as measured along the course of the river.
The source or headwaters of a river or stream is the furthest place in that river or stream from its estuary or confluence with another river, as measured along the course of the river.
Riverscape
A riverscape or river landscape comprises the features of the landscape which can be found along a river.
A riverscape or river landscape comprises the features of the landscape which can be found along a river.
Salt tide
Salt tide is a phenomenon in which the lower course of a river, with its low altitude with respect to the sea level, becomes salty when the discharge of the river is low during dry season, usual...
Salt tide is a phenomenon in which the lower course of a river, with its low altitude with respect to the sea level, becomes salty when the discharge of the river is low during dry season, usual...
Shut-in (river)
A shut-in is an Ozark term for a river that's naturally confined within a deep, narrow channel.
A shut-in is an Ozark term for a river that's naturally confined within a deep, narrow channel.
Sinuosity
Sinuosity or sinuosity index is a measure of deviation of a path between two points from the shortest possible path.
Sinuosity or sinuosity index is a measure of deviation of a path between two points from the shortest possible path.
Source (river or stream)
The source or headwaters of a river or stream is the place from which the water in the river or stream originates.
The source or headwaters of a river or stream is the place from which the water in the river or stream originates.
Spring creek
A spring creek is a type of free flowing river whose name derives from its origin: an underground spring or set of springs which produces sufficient water to consistently feed a unique river.
A spring creek is a type of free flowing river whose name derives from its origin: an underground spring or set of springs which produces sufficient water to consistently feed a unique river.
Stepped profile
A stepped profile is a description of the height of a river above sea-level with distance from its source.
A stepped profile is a description of the height of a river above sea-level with distance from its source.
Stream bed
A stream bed is the channel bottom of a stream, river or creek; the physical confine of the normal water flow.
A stream bed is the channel bottom of a stream, river or creek; the physical confine of the normal water flow.
Stream capture
Stream capture, river capture, or stream piracy is a geomorphological phenomenon occurring when a stream or river drainage system or watershed is diverted from its own bed, and flows...
Stream capture, river capture, or stream piracy is a geomorphological phenomenon occurring when a stream or river drainage system or watershed is diverted from its own bed, and flows...
Stream gradient
Stream gradient is the grade (slope) measured by the ratio of drop in a stream per unit distance, usually expressed as feet per mile or metres per kilometre.
Stream gradient is the grade (slope) measured by the ratio of drop in a stream per unit distance, usually expressed as feet per mile or metres per kilometre.
Stream restoration
Stream restoration or river restoration, sometimes called river reclamation in the UK, describes a set of activities that help improve the environmental health of a river or stream.
Stream restoration or river restoration, sometimes called river reclamation in the UK, describes a set of activities that help improve the environmental health of a river or stream.
Subterranean river
A subterranean river is a river that runs wholly or partly beneath the ground surface – one where the riverbed does not represent the surface of the Earth.
A subterranean river is a river that runs wholly or partly beneath the ground surface – one where the riverbed does not represent the surface of the Earth.
Tidal river
A tidal river is a river, or more typically a stretch of a river, whose flow and level is influenced by tides.
A tidal river is a river, or more typically a stretch of a river, whose flow and level is influenced by tides.
Total dissolved solids
Total Dissolved Solids is a measure of the combined content of all inorganic and organic substances contained in a liquid in: molecular, ionized or micro-granular suspended form.
Total Dissolved Solids is a measure of the combined content of all inorganic and organic substances contained in a liquid in: molecular, ionized or micro-granular suspended form.
Tributary
A tributary or affluent is a stream or river that flows into a main stem (or parent) river or a lake.
A tributary or affluent is a stream or river that flows into a main stem (or parent) river or a lake.
Upland and lowland (freshwater ecology)
In studies of the ecology of freshwater rivers, habitats are classified as upland and lowland.
In studies of the ecology of freshwater rivers, habitats are classified as upland and lowland.
Urban stream
An urban stream is a formerly natural waterway that flows through a heavily populated area.
An urban stream is a formerly natural waterway that flows through a heavily populated area.
Water-meadow
A water-meadow (also water meadow or watermeadow) is an area of grassland subject to controlled irrigation to increase agricultural productivity.
A water-meadow (also water meadow or watermeadow) is an area of grassland subject to controlled irrigation to increase agricultural productivity.
Whippany River Watershed Action Committee
The Whippany River Watershed Action Committee is a member-based, non-profit, 501(c)(3) organization which identifies and implements projects to preserve and protect water and the surrounding nat...
The Whippany River Watershed Action Committee is a member-based, non-profit, 501(c)(3) organization which identifies and implements projects to preserve and protect water and the surrounding nat...
Whitewater
Whitewater, usually spelled white water in both American and British English, is formed in a rapid, when a river's gradient increases enough to disturb its laminar flow and create turbu...
Whitewater, usually spelled white water in both American and British English, is formed in a rapid, when a river's gradient increases enough to disturb its laminar flow and create turbu...
Wild river
A Wild River (United States, Australia, & New Zealand) or Heritage River (Canada) is a river or a river system designated by a government to be protected and kept "..almost untouched by de...
A Wild River (United States, Australia, & New Zealand) or Heritage River (Canada) is a river or a river system designated by a government to be protected and kept "..almost untouched by de...
Winterbourne (stream)
A winterbourne is a stream or river that is dry through the summer months.
A winterbourne is a stream or river that is dry through the summer months.
World Commission on Dams
The World Commission on Dams (WCD) was formed in April 1997, to research the environmental, social and economic impacts of the development of large dams globally.
The World Commission on Dams (WCD) was formed in April 1997, to research the environmental, social and economic impacts of the development of large dams globally.
World Rivers Day
World Rivers Day has been endorsed by various agencies of the United Nations and is intended to complement the broader efforts of the United Nations Water For Life Decade.
World Rivers Day has been endorsed by various agencies of the United Nations and is intended to complement the broader efforts of the United Nations Water For Life Decade.
Yazoo stream
A yazoo stream is a hydrologic term for any tributary stream that runs parallel to, and within the floodplain of, a larger river which the stream eventually joins.
A yazoo stream is a hydrologic term for any tributary stream that runs parallel to, and within the floodplain of, a larger river which the stream eventually joins.