Rivers - Glossary Flashcards

1
Q

What is a source?

A

The point at which the river begins.

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2
Q

What is a mouth?

A

The end of a river and the point at which it flows into the sea or a lake.

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3
Q

What is tributary?

A

A smaller river that flows into a larger river.

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4
Q

What is a confluence?

A

The point at which two rivers or streams meet.

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5
Q

What is a river basin?

A

The area around a river which drains into it.

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6
Q

What is a watershed?

A

A large area of land that has many water systems.

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7
Q

What is a channel?

A

This is the outline of the river, the shape in which it flows.

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8
Q

What is a floodplain?

A

A flat area of land around a river that is prone to flooding.

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9
Q

What are sediments and silts?

A

Tiny specks of sand found suspended in water and transported before deposition.

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10
Q

What is a delta?

A

A large, shallow body of water formed when mass deposition results in sediment build up.

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11
Q

What is a load?

A

These are the objects which a river is carrying. Could be large rocks or or tiny sediment.

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12
Q

What is a V-shaped valley?

A

A natural feature formed by a river as it erodes downwards and sideways.

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13
Q

What is a meander?

A

A bend in a river.

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14
Q

What is an oxbow lake?

A

Formed when a meander cuts itself off which leaves a crescent shaped scar on land

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15
Q

What is volume?

A

The amount of water carried in a river.

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16
Q

What is velocity?

A

The speed at which the water is flowing.

17
Q

What is a river bed?

A

The bottom of the river.

18
Q

What is a river bank?

A

The sides of the river.

19
Q

What is erosion?

A

A natural processes by which water eats and wears away at land.

20
Q

What is transportation?

A

The carrying of material that has been eroded.

21
Q

What is deposition?

A

The dropping off of material that has been transported.