A vast majority of rivers originate in hills and mountains or are formed as a result of melting glaciers.Rain water and the melting snow fall down the mountains in the form of multiple streams that meet at a confluence where the water body becomes large and gets transformed into a river. The National Wild and Scenic Rivers System has only 13,413 river miles in it—less than one half of one percent of our rivers are protected through this designation. What is a River System? a group of rivers discharging water by way of a common flow or system of channels into a sea or lake. The Ganga is called the Bhagirathi above Devprayag and below this town, the Ganga. A river is a large, flowing body of water that usually empties into a sea or ocean. Rivers and streams drain water that falls in upland areas. On its perpetual journey, river water crosses land, hills and plains. Science expert Emerald Robinson explains what a river is and how the definition can mean many types of moving water. Flowing through the region of Chittagong and the Chittagong Hills, it cuts across the hills and runs rapidly downhill to the west and southwest and then to the sea. Water in a drainage basin usually ends up in the sea, but there are places where the water just evaporates, or flows into an inland lake. It is then taken from that place towards another river, a lake, a sea or the ocean. This mode of operation is a form of hydraulic capacitance in the river system. This is an example of a river system. The passage where the river flows is called the river bed and the earth on each side is called a river bank. This page was last changed on 13 April 2020, at 08:06. A river system is sometimes called a drainage system. The drainage pattern of an area is the result of the geological time period, nature, and structure of rocks, topography, slope, etc. In Bangladesh, it gets divided into two main distributaries … The company develops embedded system software consisting of run-time software, industry-specific software, simulation technology, development tools and middleware. A river is a stream of water that flows through a channel in the surface of the ground. A river system is a way of describing the larger networks of streams, lakes and rivers that are part of a larger river's network of tributaries and distributaries; for example, multiple rivers, including the Ohio, Red and Missouri rivers empty into the Mississippi River, serving as tributaries and are part of the Mississippi River's system. What Is the Definition of a River System? They provide people with a method of transport and water power. A river is a course of water that originates in the mountains and flows downwards until it reaches the sea. If a river is large, there’s a good chance that much of its water comes from tributaries. A river is a ribbon-like body of water that flows downhill from the force of gravity. For example, if a river's source suffers from a high level of pollution or a severe drought, the effect will be felt throughout the waterways and lands included in the river system. From an environmental standpoint, river systems are ecosystems that can suffer negative effects on things such as water quality and plant and animal life health if just one part of the system is polluted or damaged. This diagram shows some common characteristics of a river system. The relationship living organisms have with each other and with their environment is extremely complex. riverine Riverine means relating to, similar to, or formed by a river. Lake Chad, for example, is an example of an endorheic lake, which has no outlet to the sea. River, (ultimately from Latin ripa, “bank”), any natural stream of water that flows in a channel with defined banks. River systems can also be deposition, accumulating sediment within channels and on floodplains. The first three river systems together cover a drainage basin of about 1.72 million sq km, although only 7% of this vast basin lies within Bangladesh. A river is a naturally formed body of water that flows on a course. Water flow in rivers and streams is normally confined to channels  which are depressions or scours in the land surface that contain the flow. A river system consists of the main river (the trunk of the system) and primary, secondary, and later-order tributaries. The river source, also called the headwaters, is the beginning of a river. noun. The concept of channeled surface flow, however, remains central to the definition. River definition is - a natural stream of water of usually considerable volume. A river is a large natural stream of water that flows over land. A river begins on high ground or in hills or mountains and flows down from the high ground to the lower ground, because of gravity.A river begins as a small stream, and gets bigger the farther it flows. A tributary is a river that feeds into another river, rather than ending in a lake, pond, or ocean. A river can be wide and deep, or shallow enough for a person to wade across. There are four types of transportation : Traction - large, heavy pebbles are rolled along the river bed. Usually the bigger river gets to be the “main” river, but sometimes history or other factors come into play. Water in a drainage basin usually ends up in the sea, but there are places where the water just evaporates, or flows into an inland lake. A river is a moving body of water that flows from its source on high ground, across land, and then into another body of water, which could be a lake, the sea, an ocean or even another river. Every river is different, however, so not all rivers may look exactly like this illustration. The term ‘river health’, applied to the assessment of river condition, is often seen as being analogous with human health, giving many a sense of understanding. It is the whole natural water system in a drainage basin. The system has What is a River? These provide some defense against flooding, but are occaisionally breached in areas producing flood-plain splays—coarse fan-shaped deposit of sediment created during high flow events. Geomorphologists and hydrologists often view streams as part of drainage basins. Wind River is a world leader in embedded software for intelligent connected systems. Natural Levees—River may be immediately flanked by a buildup of sediment that forms natural levees. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the gradient of the land. A river system is a way of describing the larger networks of streams, lakes and rivers that are part of a larger river's network of tributaries and distributaries; for example, multiple rivers, including the Ohio, Red and Missouri rivers empty into the Mississippi River, serving as tributaries and are part of the Mississippi River's system. The Charles River Investment Management Solution (Charles River IMS) is designed to automate and simplify the institutional investment process across asset classes, from portfolio management and risk analytics through trading and post-trade settlement, with integrated compliance and managed data throughout. How to use river in a sentence. A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. Hai River system, extensive system of tributary streams in northern China that discharge into the sea through the Hai River. Every river is part of a larger system—a watershed, which is the land drained by a river and its tributaries. The system can be divided into four major networks: (1) brahmaputra-jamuna river system, (2) ganges-padma river system, (3) surma-meghna river system, and (4) chittagong region river system. Modern usage includes rivers that are multichanneled, intermittent, or ephemeral in flow and channels that are practically bankless. The river’s shape is defined by its waterbeds. In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. Near the Rajmahal hills, it turns into south-east direction and after flowing some distance in Murshidabad district of West Bengal, it enters Bangladesh. From its mouth at Paducah, Kentucky, to the Virginia headwaters of its own longest tributary, the Holston, the Tennessee travels 1,100 miles, falling two thousand feet in elevation along the way. You can think of rivers as drains, if you like: channels with fairly well defined banks, carved through millennia, that can be thin and shallow or very deep and wide. From Simple English Wikipedia, the free encyclopedia, https://simple.wikipedia.org/w/index.php?title=River_system&oldid=6898306, Creative Commons Attribution/Share-Alike License. In most cases, rivers will have a main source, such as snow melt from a mountain that flows down into multiple streams that then join together to form a river that runs into a much larger river. A river system is a way of describing the larger networks of streams, lakes and rivers that are part of a larger river's network of tributaries and distributaries; for example, multiple rivers, including the Ohio, Red and Missouri rivers empty into the Mississippi River, serving as tributaries and are part of the Mississippi River's system. A large river and its tributaries considered as a single entity. Rivers carry freshwater to people, plants, and animals all across Earth. These waterways are interconnected and the health of one of these rivers can have an impact on other waterways in the same river system. Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. Lake Chad, for example, is an example of an endorheic lake, which has no outlet to the sea. Fact Check: What Power Does the President Really Have Over State Governors? Rivers that flow directly into the main river are called primary tributaries, tributaries of primary tributaries are called secondary tributaries, and so forth. Starting in the mountains, the water is at first torrential because of rainfall and the melting of ice. Human beings have an impact on river ecosystems. Tony Wheeler/Lonely Planet Images/Getty Images. Bala Lake is a natural lake whose level was raised by a low dam and into which the River Dee flows or discharges depending upon flow conditions, as part of the River Dee regulation system. Together the channel and over bank settings comprise the "fluvial environment". Even though rivers hold only a tiny fraction of Earth’s total water, they have always been essential to human civilization. Will 5G Impact Our Cell Phone Plans (or Our Health?! Unfortunately, the meaning of ‘river health’ remains obscure. ), The Secret Science of Solving Crossword Puzzles, Racist Phrases to Remove From Your Mental Lexicon. Rivers are the main parts of the conveyor that carry water from the higher parts of Earth (the mountains and hills that we call uplands) to the lower parts (lakes and seas). This diagram shows some common characteristics of a river system. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. How do geographers decide which river is the “main” river and which is the “tributary” when they’re naming rivers? The name Hai properly belongs only to the short river that flows from Tianjin into the Bo Hai (Gulf of Chihli) at Tanggu, a distance of some 43 miles (70 km). Currently, 600,000-750,000 miles of our rivers lie behind an estimated 75,000 dams. This is the … It is the whole natural water system in a drainage basin . Of moving water water power downstream in different ways streams is normally confined to channels which are or... 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