The mouth of a river where the tides still affect the water level, an important wetland resource.

a bay or inlet, often at the mouth of a river, in which large quantities of freshwater and seawater mix together. These unique habitats are necessary nursery grounds for many marine fishes and shellfishes.

A semi-enclosed coastal body of water within which seawater is measurably diluted with fresh water derived from land drainage.

a body of water where inflowing salt water from the ocean mizes with fresh water from streams, rivers, rainwater and runoff.

The tidal area at the mouth of a river where salinity increases towards the ocean.

a semi-enclosed body of water where freshwater meets and mixes with saltwater. Narragansett and Chesapeake Bays are both examples of estuaries.

a highly productive ecosystem formed where fresh water from rivers mixes with salt waters from oceans

place where fresh and sea waters mix.

A bay at the mouth of a river formed by subsidence of the sand or by a rise in sea level. Fresh water from the river mixes with and dilutes seawater in an estuary.

a semi-enclosed, tidal, coastal area where fresh water river flows mix with ocean water. Several estuary systems exist as part of the ecology of eastern North Carolina.

A partially enclosed body of water freely connected to the ocean and within which the seawater of the lower estuary is measurably diluted by mixing with freshwater and in the upper estuary where tidal fluctuations affect river water levels. Within the estuary, species such as salmon can find food, shelter and a seawater/freshwater acclimation holding area.

a place where fresh and salt water mix (e.g., a bay, salt marsh); a place where a river enters an ocean.

an ecosystem formed where a river meets the ocean. It has fluctuations in salinity due to tidal movement. A natural home of guppies.

Regions of interaction between rivers and nearshore ocean waters, where tidal action and river flow create a mixing of fresh water and saltwater. These areas may include bays, mouths of rivers, salt marshes, and lagoons. These brackish water ecosystems shelter and feed marine life, birds, and wildlife.

area of an inlet or river mouth that is influenced by the tides and also by fresh water from the land; area where fresh and salt waters mix.

Somewhat enclosed coastal area at the mouth of a river where nutrient rich fresh water meets with salty ocean water.

the area at the mouth of a river that is affected by the ebb and flow of tides

A region where salt water from the ocean is mixed with fresh water from a river or stream.

A place where freshwater and salt water meet (i.e. where a river meets the ocean or the Gulf of Mexico).

The part of the wide lower course of a river where its current is met and influenced by the tides.

A semi-enclosed body of water having a free connection with the open ocean and within which seawater is measurably diluted with fresh water.

A body of water along a coastline, open to the ocean but diluted by fresh water.

A bay open to the ocean at one end and receiving fresh water from a river at the other. Hence, mixing of fresh and salt water occurs (brackish).

The tidal section of a river which is influenced by inputs of freshwater and tidal movements

A partially enclosed area where the fresh water of rivers mixes with tidal salt water.

The inlet of the sea (the place where the ocean and the river meet)

Tidal area where a river reaches the sea

Any confined coastal water body which acts as a transition zone between fresh and salt water.

regions of interaction between rivers and near-shore ocean waters, where river flow and tidal action mix fresh and salt water

An inlet in which seawater and river water mix, created when a coastal valley is flooded because of either rising sea level or land subsidence.

a) A seaward end or the widened funnel-shaped tidal mouth of a river valley where fresh water comes into contact with seawater and where tidal effects are evident (e.g., a tidal river, or a partially enclosed coastal body of water where the tide meets the current of a stream). b) A portion of an ocean or an arm of the sea affected by fresh water. c) A drowned river mouth formed by the subsidence of land near the coast or by the drowning of the lower portion of a non-glacial valley due to the rise of sea level. Compare – Lagoon. (modified from Jackson, 1997).

Estuary - A water passage, such as the mouth of a river, where the tide meets the current of a stream.

A semi_enclosed water body, open to the sea, in which seawater is significantly diluted by fresh water from the land.

es-chew-ary A wide tidal mouth of a river.

Partially enclosed coastal area at the mouth of a river where its fresh water, carrying fertile silt and runoff from the land, mixes with salty seawater.

Areas of interaction between rivers and nearshore lake waters, where seiche activity and river flow create a mixing of lake and river water. These areas may include bays, mouths of rivers, marshes, and lagoons. These ecosystems shelter and feed fish, birds, and wildlife. Most importantly, Great Lakes estuaries provide habitat for wildlife and for young-of-the-year and juvenile fish.

A water passage where salt water meets fresh water. Estuaries often contain salt-marshes and other wetlands, which are important habitat for many species.

near or at the mouth of a river, where the tide meets the current and the fresh and salt waters mix

where salt and fresh waters mix in a semi-enclosed body of water, as in a river entering the sea.

The broad lower course of a river that is encroached on by the sea and affected by the tides.

a coastal area where saltwater from the ocean mixes with freshwater from rivers, rainfall and upland runoff.

the wide part of a river where it nears the sea; fresh and salt water mix

a body of water at the end of a river where freshwater and seawater mix

a body of water formed along coastal areas where freshwater flows in the ocean, creating an aquatic environment with a mixture of fresh and saline water

a body of water formed when freshwater from rivers and streams mix with salt water from the sea

a body of water in which fresh water from rivers mixes with salt water from the ocean

a body of water, open at one end to the ocean, in which salt water from the ocean mixes with freshwater draining from land

a body of water partially surrounded by land where fresh water from a river mixes with salt water

a body of water partly surrounded by land where fresh water from rivers and streams runs into and mixes with salt water from the ocean

a body of water that is partially surrounded by land, where a river or stream enters the ocean or other body of salt water

a body of water where salt water and freshwater meet and mix

a body of water with both fresh and salt water

a coastal area where fresh water from rivers and streams mixes with salt water from the ocean

a coastal body of water that connects a watershed to the open ocean

a meeting place

an area in which river water mixes with water from a large lake or an ocean

an area of water where the river meets the sea, and fresh and salt water mix together

an area where fresh water and salt water come together

an area where freshwater empties into and mixes with saltwater

an area where freshwater meets salt water such as a bay, the mouth of a river, a salt marsh or a lagoon

a natural area where two bodies of chemically distinct water intermix

an enclosed body of water that has an open connection to the sea and is measurably diluted by fresh water from the surrounding land

an inlet where a river meets the sea

a partially enclosed body of water formed where fresh water from rivers and stream flows into the ocean and mixes with salty seawater

a partially enclosed body of water formed where freshwater from rivers and streams flows into the ocean, mixing with the salty sea water

a partially enclosed body of water formed where freshwater from rivers, streams, and groundwater flows to the ocean, mixing with the salty seawater

a partially enclosed body of water that has an open connection with the ocean and is diluted by fresh water that feeds into it

a partially enclosed body of water where river water meets and mixes with ocean water

a place of transitions rivers to seas

a place where an oceans salt water mixes with the fresh water from rivers and the land

a place where a river meets a sea - an area where fresh water and salt water mix

a place where freshwater from a river mixes with saltwater from the ocean

a place where fresh water from rivers and runoff

a place where freshwater meets salt water, and is home to an extraordinary diversity of life

a place where salty water from the ocean mixes with fresh water from the land and creates a unique and special place for marine species to live, feed, and reproduce

a place where seawater is measurably diluted by freshwater from land drainage

a place where the fresh water of a river mixes with the salt water of the sea

a region along a coastline where a river empties into the ocean

a semi-enclosed body of water where freshwater from the rivers meets and mixes with the saltwater from the ocean

a semi-enclosed coastal body of water having free connection to the open sea at least intermittently, and within which the salinity is measurably different from the salinity in the adjacent open sea

a semi-enclosed coastal body of water that connects to the open sea

a semi-enclosed coastal body of water that contains a mixture of fresh water from tributaries and salt water from the ocean

a semi-enclosed coastal body of water that has a measurable salinity gradient from its freshwater drainage to its ocean entrance

a semi-enclosed coastal body of water that has a river entering the system at one end and an open connection to ocean waters at the other end

a semi-enclosed coastal body of water where the ocean's salt water meets fresh water)

a semi-enclosed coastal body of water which has a connection with the open sea and within which seawater mixes with fresh water from associated rivers and creeks

a semi-enclosed coastal body of water which has free connection with the sea, thus is strongly affected by the tidal action

a semi-enclosed coastal body of water with a free connection to the open sea and within which sea water is diluted by fresh water

a semi-enclosed marine embayment that is diluted with fresh water, normally entering it by one or more streams

a semi-enclosed waterbody at the downstream end of a freshwater system, that is subject to marine, freshwater and terrestrial influences, and experiences periodic fluctuations and gradients in salinity

a tidal body of water that is fed by both salt and fresh water sources

a transitional zone between a freshwater river and the open sea

a water passage where many different rivers meet

a wetland ecosystem when a freshwater river mixes with a saltwater body

A semi-enclosed water body where land-derived fresh water mixes with sea-water.

A place where fresh (non-salty) water enters the sea, such as at a river mouth.

A partially enclosed coastal embayment where fresh water and salt water meet and mix.

The portion of a river or coastal wetland affected by the rise and fall of the tide, containing a mixture of fresh and salt water.

Mouth of a river where its fresh water mixes with salt water and is affected by tides.

defined as a body of water partially enclosed by land, where freshwater from rivers mix with the ocean water.

a partially enclosed body of water where fresh water and salt water meet.

Areas where fresh water from rivers and salt water from near-shore ocean waters are mixed. These areas may include bays, mouths of rivers, salt marshes, and lagoons. These water ecosystems shelter and feed marine life, birds, and wildlife.

the interface where a river meets the sea, where aquatic and marine life meet terrestrial life in marshes and wetlands, and were fresh water still can be influenced by tides. Estuaries can be defined by a salinity gradient that ranges from ocean salinity of 35.0 ppt (parts per thousand) to fresh water with salinity of less than 0.5 ppt.

The mouth of a river where its currents meet the ocean’s tides.

mouth of a river where tidal effects are felt and usually contains brackish water.

A partially enclosed coastal water body open to the ocean, characterised by tidal effects and the mixing of freshwater and seawater.

Generally the broad portion of a river or stream near its outlet that is influenced by the marine water body into which it flows. The demarcation line is generally the mean tidal level (UN, 1997).

The tidal mouth of a river, where the tide meets the current of fresh water; more commonly, an arm of the sea at the lower end of a river.

A water body where salt and fresh water meet resulting in brackish water. These areas usually have associated marshlands and are critical nursery and feeding habitat for a variety of marine species.

Place where the mouth of a river reaches the ocean.

ES-tu-air-ee An area where fresh water in a river meets salty water of an ocean. 881

A confined coastal water body with an open connection to the sea and a measurable quantity of salt in its waters. Estuaries are of particular ecological value and significance because they provide important natural values concerning, for example, fish and wildlife habitat, flood protection, and the maintenance of water quality. The Connecticut River estuary and other Connecticut estuaries contribute to the ecological health of Long Island Sound.

Widening area of a river where it's currents are met by the tides, resulting in an area of mixed salt and fresh water.

the place where fresh water and salt water meet.

A semi-enclosed coastal waterbody such as a bay, mouth of a river, salt marsh, or lagoon, where freshwater and saltwater mix. These waters support a rich and diverse ecology.

A partly enclosed coastal body of water, open to the ocean so that fresh and salt water are mixed.

(s chew airy) - a passage where the tide meets a river current.

the mouth of the river where fresh water and salt water mix; influenced by tides.

A partly enclosed coastal body of water where seawater and freshwater meet and mix

A coastal body of water that is semi-enclosed, openly connected with the ocean, and mixes with freshwater drainage from land.

An enclosed body of water where river water mixes with salty ocean water.

Semi-enclosed body of water where freshwater and saltwater meet

That part of the mouth or lower course of a river where sea water mixes with fresh water.

An estuary is where a river meets the sea or ocean.

Compare? A complex ecosystem between a river and near-shore ocean waters where fresh and salt water mix. These brackish areas include bays, mouths of rivers, salt marshes, wetlands, and lagoons and are influenced by tides and currents. Estuaries provide valuable habitat for marine animals, birds, and other wildlife.

Semi-enclosed coastal bodies of water in which the ocean water is significantly diluted by fresh water from land runoff.

where the river and sea meet and the fresh water from the river mixes with the sea water.

A semi-enclosed body of water that has a free connection with the open sea and within which seawater (from the ocean) is diluted measurably with freshwater that is derived from land drainage (i.e., from the Connecticut River).

A partly enclosed bay where salty ocean water is mixed with freshwater.

That portion of a stream influenced by the tide of the body of water into which it flows; an arm of the sea at a river mouth.

the open mouth of a river, where fresh water and sea water mix

Where the ocean and rivers meet and mix, creating a semi-enclosed body of water that has a free connection with the open sea and within which seawater is diluted measurably with freshwater that is derived from land drainage. Estuaries are very important for fish and shellfish production, especially in providing nursery habitat.

Where fresh water meets salt water.

A bay or drowned valley where a river empties into the sea.

body of water at the lower end of a river which is connected to the ocean and semi-enclosed by land. In an estuary, sea water is measurably diluted by freshwater from the land.

A semi-enclosed coastal body of water which has a free connection with the open sea and where fresh water derived from land drainage (usually mouths of rivers) is mixed with seawater; often subject to tidal action and cyclic fluctuations in salinity.

The mouth of a river where it meets the sea and where freshwater from the river mixes with the salty water of the sea. [more

The region where a river meets the marine environment. It is characterized by variable salinity and often by high biological productivity. eutrophication: Increased primary production caused by the anthropogenic enrichment of a water body with nutrients. (see also primary production and nutrients).

A semienclosed body of water that has a free connection with the open sea and within which seawater (from the ocean) is diluted measurably with freshwater that is derived from land drainage (i.e. the Chesapeake Bay). Brackish estuarine waters are decreasingly salty in the upstream direction and vice versa. The ocean tides are projected upstream to the fall lines.

point at which a river begins to meet the sea.

A semi-enclosed coastal body of water that has a free connection with the open sea. It is strongly affected by tidal action, and within it sea water is mixed, and usually measurably diluted, with fresh water. Fresh-Water Estuary A condition similar to a salt-water estuary except that the semi-enclosed body of fresh water has a free connection with a larger body of fresh water. An example is an area where a river empties into a large lake and there is considerable mixing between the two water bodies at the point of connection.

An area partly enclosed by land, where saltwater and freshwater meet.

A body of water rich in plant and animal life that forms a transition zone between freshwater from rivers and full-strength salt water

thin zone along a coastline where freshwater system(s) and river(s) meet and mix with a salty ocean (such as a bay, mouth of a river, salt marsh, lagoon).

A semi-enclosed body of water where salt water and fresh water mix.

The lowermost point of a river system that is a mixture of fresh water and sea water.

place where fresh water enters sea (e.g., at river mouth)

A partially enclosed area where freshwater from a river or stream comes into contact with salty oceanic water. It is characterized by water with salt content between that of fresh and marine environments, tidal effects, and populations of animals and plants that are distinct from either the freshwater or oceanic environments. Estuaries are among the most diverse and biologically productive ecosystems on Earth.

The widening, tidal part of a river.

A semi-enclosed body of water where fresh and salt water mix.

1. The part of the wide lower course of a river where its current is met by the tides. 2. An arm of the sea that extends inland to meet the mouth of a river.

Special environments at the mouth of coastal rivers where fresh water meets sea water. These brackish water ecosystems shelter and feed marine life, birds and wildlife.

an arm of the sea that extends inland to meet the mouth of a river, usually characterized by tidal changes and rich diversity of aquatic life.

the area where a river meets the sea, a wide wet tidal area

A semi-enclosed coastal body of water which has a free connection with the open sea. The seawater is usually measurably diluted with freshwater. The part of the river that is affected by tides. The zone or area of water in which freshwater and saltwater mingle and water is usually brackish due to daily mixing and layering of fresh and salt water.

the point in which the mouth of the river and a body of saltwater meet is an estuary. It harbors a mass of marine life.

The area where fresh and salt water mix at the mouth of a river, used as rearing and feeding habitat by many fish species and other animals.

A partially enclosed body of water where saltwater from the sea mixes with freshwater from rivers, streams and creeks. These areas are subject to tidal forces, like the sea, but are sheltered from the full force of ocean winds and waves by the coastline, marshes, and wetlands.

the part of a river where it's current meets with and is effected by the ocean's tides; - an arm, or inlet of the sea..

partly enclosed coastal body of water in which river water is mixed with seawater. In a general sense, the estuarine environment is defined by salinity boundaries rather than by geographic boundaries.

a water passage where the tide meets a river current; especially : an arm of the sea at the lower end of a river

A site where fresh water and salt water meet.

(1) The part of a river that is affected by tides. (2) The region near a river mouth in which the fresh water of the river mixes with the salt water of the sea

A partially enclosed, coastal water body where ocean water is diluted by out-flowing fresh water.

a partially enclosed area of water and soft tidal shore and its surroundings, with interchange with the saline water of the sea and receiving fresh water from rivers, land run-off or seepage.

a semi-enclosed body of water with a source of fresh water and and an outlet to the ocean

A tidal bay formed from the drowning of a non-glaciated river valley juxtaposed to the ocean.

A body of water semi-enclosed by land, connected with the open ocean, and within which salt water is usually diluted by freshwater derived from the land. The estuary includes: (a) estuarine water; (b) tidelands; (c) tidal marshes; and (d) submerged lands. Estuaries extend upstream to the head of tidewater, except for the Columbia River Estuary, which by definition is considered to extend to the western edge of Puget Island.

that part of a river, stream or body of water having unimpeded connection with the open sea, where sea water is measurably diluted with freshwater derived from land drainage.

an environment where terrestrial, freshwater, and seawater (saline) habitats overlap

the part of a river where fresh water meets the sea and is affected by tides

a bay or river system open to the ocean at one end and receiving fresh water at the other. In a estuary, fresh and salt water mix producing brackish water

The area where a river meets the sea. This is where salty and fresh water mix.

A semi-enclosed body of water which has a free connection to the open sea and within which seawater is measurably diluted by fresh water derived from land drainage.

n. An area where fresh water comes into contact with seawater, usually in a partly enclosed coastal body of water; a mix of fresh and salt water where the current of a stream meets the tides; estuarine– adj.

The mouth of a river where the salty ocean tide meets the current of a stream.

(ess - choo - air - ee) The part of the wide lower course of a river where its current is met by the tides.

a semi-enclosed area where fresh and salt water meet and mix

That portion of a river channel occupied at times or in part by both sea and river flow in appreciable quantities.  The water usually has brackish characteristics.

(Estuaire) The seaward end of a river where fresh water comes into contact with seawater and where marine phenomena predominate over fluvial phenomena.(Translation Bureau. Termium. Department of Public Works and Government Services Canada, 1999.)

Coastal area at the mouth of a river where its fresh water mixes with salt water from the marine environment.

A coastal water resource where fresh water from rivers mixes with salt water from the ocean.

In hydrologic terms, the thin zone along a coastline where freshwater systems and rivers meet and mix with a salty ocean (such as a bay, mouth of a river, salt marsh, lagoon).

a place where fresh and salt water mix, such as a bay, salt marsh, or where a river enters an ocean.

A semi-enclosed body of water where saltwater mixes with fresh water such as the Chesapeake Bay.

The part of a river in which water levels are affected by sea tides, and where fresh water and salt water mix.

semi-enclosed, tidal, coastal body of water open to the sea in which fresh and salt water mix

A partially closed coastal body of water where freshwater and saltwater mix.

An arm of the sea at the mouth of a river. Usually an estuary is characterized by a two-layer flow, where the top layer consists of fresh water flowing downstream and the bottom layer consists of salt water flowing upstream from the sea.

A partly enclosed coastal waterbody open to the ocean, characterised by tidal effects and the mixing of freshwater and seawater.

where river currents meet and are influenced by oceanic tides

Region of interaction between rivers and near-shore ocean waters, where tidal action and river flow mix fresh and salt water. Such areas include bays, mouths of rivers, salt marshes, and lagoons.

Any semi-enclosed coastal water, open to the sea, having a high fresh water drainage and with marked cyclical fluctuations in salinity. As a tideless sea, the Black Sea does not have estuaries, but its open limans are sometimes referred to as estuaries or estuary-type limans.

The part of the wide, lower course of a river where the current is met by tides of the ocean.

a body of water where freshwater and salt water meet and mix

1. The portion of a river that is affected by tides. 2. A semi-enclosed body of water where the salinity of ocean water is measurably reduced by freshwater input. Estuaries are very important nursery regions for many coastal ocean species of fish and invertebrates.

An area where a river flows into the ocean, bringing freshwater and saltwater habitat together. Estuaries are among the most productive ecosystems on Earth.

An estuary is where a river meets the seas. Some beluga whales visit estuaries seasonally to breed and feed.

(adj estuarine)- the area where river water meets and dilutes salt water of the sea.

A coastal, semi-enclosed body of water where saltwater from the sea mixes with freshwater from land drainage.

a broad mouth of a river into which the tide flows, especially an inlet of the sea at the lower part of a river; formed or deposited in an estuary. [AHDOS

The area where the fresh water fro...

An estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open seaPritchard, D. W. (1967) What is an estuary: physical viewpoint. p. 3–5 in: G. H. Lauf (ed.)