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What is a river?

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Parameters based on mathematical formulae or numerical data vary as well, depending on the database used by the theorist. Unless otherwise defined in a specific scheme "meandering" and "sinuosity" here are synonymous and mean any repetitious pattern of bends, or waveforms.

In some schemes, "meandering" applies only to rivers with exaggerated circular loops or secondary meanders; that is, meanders on meanders. Sinuosity is one of the channel types that a stream may assume over all or part of its course. All streams are sinuous at some time in their geologic history over some part of their length.

It includes the floodway, which consists of the stream channel and adjacent areas that carry flood flows, and the flood fringe, which are areas covered by the flood, but which do not experience a strong current.

ESTUARY 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 sea. Estuaries are thus subject to both marine influences, such as tides, waves, and the influx of saline water; and riverine influences, such as flows of fresh water and sediment. As a result they may contain many biological niches wi. As a result they may contain many biological niches within.

You appear to have the internet Homework question on rivers? Now you put on your glasses and tell me if South America is not connected to the Antarctic by an isthmus? Are white americans english people? Does anyone know what city this skyline is? This makes the river wider.

Estuary — Where a river reaches the ocean and the river and ocean mix. Estuaries are normally wide and flat.

Floodplain — The flat area around a river that often gets flooded when the level of water in the river is high. Mouth — The end of a river where it flows into the sea, another river or a lake. Silt — Small bits of dirt or sand that are carried along by a river. Source — The start of a river is its source. This could be a spring on a hillside, a lake, or a bog or marsh.

A river may have more than one source. Stream — A small river Tidal river — At the end of a river, near the ocean, water from the sea flows up the river when the tide comes in. Tributary — A smaller river or stream that joins a big river is called a tributary. Upstream — The opposite direction to the way the water in a river flows Watershed — Water flows down the side of hills into rivers. But, water that lands on opposite sides of the same hill might flow into different rivers.

The watershed is the boundary between two river basins. Access thousands of brilliant resources to help your child be the best they can be. What is a river? Rivers carry rainwater from hills downhill to other rivers, lakes or the ocean. The start of a river is called the source and the end is called the mouth. Many rivers and streams will join together before they reach the mouth of the river.

The smaller rivers and streams are called tributaries. A fast flowing river will carry soil and dirt from its banks and bed downstream and drop them when it gets wider and slows down.

When there is too much water in a river it floods and covers the area around it water. Sometimes this water is a deep as person or a house is tall. Floods cause a lot of damage but they also deposit nutrients from the water on the flooded land.

This makes land that floods good for farming on. Rivers can be difficult and dangerous to cross. Towns often grow up where there are bridges or safe places to walk across. The longest river in the world is the Nile in Africa. It is 4, miles long. The longest rivers in Britain are the Severn miles long and the Thames miles long. The river that carries the most water in the world is the Amazon in South America.

The Amazon carries , cubic metres of water into the sea every second. Water always flows downhill. When rain falls, it runs down the sides of hills into rivers in the bottom of the valleys between the hills.

Rain and rivers are part of the water cycle. When it rains some of the water is absorbed into the soil and helps plants to grow, some of the water sinks deep into the ground and some of it flows into rivers and down to the sea.

During the early industrial era, mills, shops, and factories were built near fast-flowing rivers where water could be used to power machines. Today steep rivers are still used to power hydroelectric plants and their water turbines. Follow me on Twitter mbarrow. This site uses cookies. See our Cookie Policy for information.

You may not redistribute, sell or place the content of this page on any other website or blog without written permission from the author Mandy Barrow. Transport Rivers provide travel routes for exploration, commerce and recreation.

Farming River valleys and plains provide fertile soils.


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Rivers A river is freshwater flowing across the surface of the land, usually to the sea. The River Channel. Rivers flow in channels. A river grows larger as it collects water from more tributaries along its The great majority of rivers eventually flow into a larger body of water.

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Rivers have also been used for a long time to help people work equipment. People would build mills to grind corn and grain near to rivers so that they could use a water wheel to work the mill. The bottom of the wheel would be put into the water, and when the water turned the wheel, the wheel would make the equipment in the mill turn and grind.

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Rivers carry water and nutrients to areas all around the earth. They play a very important part in the water cycle, acting as drainage channels for surface water. Rivers drain nearly 75% of the earth's land surface. Rivers provide excellent habitat and food for many of the earth's organisms. Many. A river is the cover letter for staff writer position that water takes as it flows downhill towards the homework. Rivers can be long or short, wide or narrow and they often homework together on their way downstream to make bigger rivers. Lots of animals live in or by rivers and people often find help .

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Nov 25,  · I need to write a sentence to explain each of the following terms associated with rivers: Tributary, source,interlocking spurs,meander,flood plain and estuary can i get some help Status: Resolved. The River Nile is in Africa. It originates in Burundi, south of the equator, and flows northward through northeastern Africa, eventually flowing through Egypt and finally draining into the Mediterranean Sea.