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A breachway is the shore along a channel, or the whole area around the place where a channel meets the ocean. The Rhode Island coastline has many breachways on its map. Today's permanent breachways have rock jetties that line the sides of the channel to protect against erosion or closing of the waterway. The water channels usually lead to salt water ponds.
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Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging, but many soils need artificial drainage to improve production or to manage water supplies.
A flood is an overflow of water that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Human changes to the environment often increase the intensity and frequency of flooding, for example land use changes such as deforestation and removal of wetlands, changes in waterway course or flood controls such as with levees, and larger environmental issues such as climate change and sea level rise. In particular climate change's increased rainfall and extreme weather events increases the severity of other causes for flooding, resulting in more intense floods and increased flood risk.
A river delta is a landform shaped like a triangle, created by the deposition of sediment that is carried by a river and enters slower-moving or stagnant water. This occurs when a river enters an ocean, sea, estuary, lake, reservoir, or another river that cannot carry away the supplied sediment. It is so named because its triangle shape resembles the Greek letter Delta. The size and shape of a delta are controlled by the balance between watershed processes that supply sediment, and receiving basin processes that redistribute, sequester, and export that sediment. The size, geometry, and location of the receiving basin also plays an important role in delta evolution.
In geography and geology, fluvial processes are associated with rivers and streams and the deposits and landforms created by them. When the stream or rivers are associated with glaciers, ice sheets, or ice caps, the term glaciofluvial or fluvioglacial is used.
A jetty is a structure that projects from land out into water. A jetty may serve as a breakwater, as a walkway, or both; or, in pairs, as a means of constricting a channel. The term derives from the French word jetée, "thrown", signifying something thrown out.
In physical geography, a channel is a landform on which a relatively narrow body of water is situated, such as a river, river delta or strait. While channel often refers to a natural formation, the cognate term canal denotes a similar artificial structure.
River engineering is a discipline of civil engineering which studies human intervention in the course, characteristics, or flow of a river with the intention of producing some defined benefit. People have intervened in the natural course and behaviour of rivers since before recorded history—to manage the water resources, to protect against flooding, or to make passage along or across rivers easier. Since the Yuan Dynasty and Ancient Roman times, rivers have been used as a source of hydropower. From the late 20th century, the practice of river engineering has responded to environmental concerns broader than immediate human benefit. Some river engineering projects have focused exclusively on the restoration or protection of natural characteristics and habitats.
Weekapaug is a census-designated place in southern Washington County, Rhode Island, part of the town of Westerly, Rhode Island. The population was 425 at the 2010 census.
A stream is a continuous body of surface water flowing within the bed and banks of a channel. Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long, large streams are usually called rivers, while smaller, less voluminous and more intermittent streams are known as streamlets, brooks or creeks.
A river is a natural flowing watercourse, usually a freshwater stream, flowing on the earth's land surface or inside caves towards another waterbody at a lower elevation, such as an ocean, sea, bay, lake, wetland, or another river. In some cases, a river flows into the ground or becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to by names such as creek, brook, and rivulet. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities, a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and Northeast England, and "beck" in Northern England. Sometimes a river is defined as being larger than a creek, but not always; the language is vague.
A river mouth is where a river flows into a larger body of water, such as another river, a lake/reservoir, a bay/gulf, a sea, or an ocean. At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carrying capacity of the water. The water from a river can enter the receiving body in a variety of different ways. The motion of a river is influenced by the relative density of the river compared to the receiving water, the rotation of the Earth, and any ambient motion in the receiving water, such as tides or seiches.
Outflow channels are extremely long, wide swathes of scoured ground on Mars. They extend many hundreds of kilometers in length and are typically greater than one kilometer in width. They are thought to have been carved by huge outburst floods.
Winnapaug Pond is a breached saltwater lagoon in Westerly, Rhode Island, United States, connected to Block Island Sound by the Weekapaug Breachway, which was constructed during the mid-1950s. The 2.5-mile (4.0 km) lake is separated from the Atlantic by a large sandbar. The Atlantic side of the sandbar is lined by beaches, including Misquamicut Beach, Atlantic Beach, and Westerly Town Beach. In 2010, its overall water quality was assessed as "good". Winnapaug is relatively small and shallow, and is favorable for kayaking. It is one of nine coastal lagoons, referred to as "salt ponds" by locals, in southern Rhode Island.
Trustom Pond is a closed lagoon in South Kingstown, Washington County, Rhode Island, United States. It is one of nine coastal lagoons in southern Rhode Island. It has a surface area of 800 acres (320 ha), and is the only undeveloped salt pond in the state. The pond averages 1.3 feet (0.40 m) deep, and has a salinity level of 5 parts per thousand. It is non-tidal, except when breached by storms. The water directly receives about 219,844,022 US gallons (832,200 m3) of precipitation per year, with an estimated 796,215 US gallons (3,014 m3) in daily groundwater flow. No streams flow into the pond, though a nearby stream "captures water that otherwise would have flowed to Trustom Pond".
Ninigret is a coastal lagoon in Charlestown, Rhode Island, in the United States, located at 41°22′45″N71°38′43″W. It is the largest of the nine lagoons, or "salt ponds", in southern Rhode Island. It is utilized for recreational activities, as well as oyster and quahog harvesting. Found along its shores are "extensive" archaeological remains. Ninigret Pond, like others in the region, was "formed after the recession of the glaciers 12,000 years ago". The pond is situated on low-lying ground, and as such, it is considered particularly vulnerable to storm surge flooding. It is connected to Green Hill Pond via a small channel.
Quonochontaug is a coastal lagoon in the towns of Charlestown and Westerly, both in Washington County, Rhode Island, United States. It is the most saline of nine such lagoons in southern Rhode Island.
Galilee is a fishing village on Point Judith within the town of Narragansett, Rhode Island, USA, and is notable for being home to the largest fishing fleet in Rhode Island and for being the site of the Block Island Ferry. The village is directly across the harbor from Jerusalem, Rhode Island. Galilee, Rhode Island is named after the Biblical Galilee, which was the original home region of Jesus Christ, who grew up in Nazareth, a village in the Galilee region of Israel on the Sea of Galilee. Four of Jesus' disciples, Andrew, Peter, James and John, were fishermen from Galilee.
Charlestown Breachway State Beach is a seaside public recreation area on Block Island Sound in the town of Charlestown, Rhode Island. It is located on the east side of the manmade channel that connects Ninigret Pond with the Atlantic Ocean.
An aqueduct is a watercourse constructed to carry water from a source to a distribution point far away. In modern engineering, the term aqueduct is used for any system of pipes, ditches, canals, tunnels, and other structures used for this purpose. The term aqueduct also often refers specifically to a bridge carrying an artificial watercourse. Aqueducts were used in ancient Greece, ancient Near East, and ancient Rome. The simplest aqueducts are small ditches cut into the earth. Much larger channels may be used in modern aqueducts. Aqueducts sometimes run for some or all of their path through tunnels constructed underground. Modern aqueducts may also use pipelines. Historically, agricultural societies have constructed aqueducts to irrigate crops and supply large cities with drinking water.
Hipparchus is an impact crater in the Phaethontis quadrangle of Mars, located at 44.8° S latitude and 151.4° W longitude. It is 93 kilometers in diameter. It was named after the ancient Greek astronomer Hipparchus in 1973.