theme 2.1 rivers Flashcards

Shaping the landscape - rivers

1
Q

What is the drainage basin?

A

The catchment area of the river

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2
Q

What is the source?

A

The start of a river, on high ground

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3
Q

What is a tributary?

A

A smaller river that leads into a bigger river

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4
Q

What is a confluence?

A

Where two rivers meet

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5
Q

What is the watershed?

A

The edge of a basin

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6
Q

What is the mouth?

A

Where a river meets the sea

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7
Q

What is the water cycle?

A

Evaporation (liquid water becomes water vapor) -> transportation (the movement of water vapor) -> condensation (water vapor becomes liquid water) -> precipitation (water droplets falling as rain, snow, sleet or hail)

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8
Q

What is interception?

A

Water is stored on the branches and leaves of vegetation

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9
Q

What is transpiration?

A

Water vapor is released through the stomata (pores) in the leaves

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10
Q

What is throughflow?

A

Water flows horizontally through the soil into the river

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11
Q

What is percolation?

A

Water flows vertically through the soil and rocks

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12
Q

What is infiltration?

A

Water seeps into the ground

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13
Q

What is groundwater flow?

A

Water flows horizontally through the rock into the river

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14
Q

What is evaporation?

A

Water turns from water droplets into water vapor

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15
Q

what is erosion?

A

the wearing away of land and rock over time

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16
Q

what is transport?

A

sediment being carried from one place to another by a river

17
Q

what is discharge?

A

the amount of water that passes a particular point in a river

18
Q

what is the load?

A

the material carried by a river

19
Q

what is deposition?

A

when the river drops some of its load

20
Q

what is vertical erosion?

A

downward erosion

21
Q

what are interlocking spurs?

A

the pieces of land that interlock along a rivers course, they form V-shaped valleys

22
Q

what is a gorge?

A

a steep sided valley formed by the retreat of a waterfall

23
Q

what is a plunge pool?

A

the pool at the bottom of a waterfall

24
Q

what is lateral erosion?

A

the horizontal erosion of the river banks that creates meanders

25
Q

what is a floodplain?

A

the area of flat land around a river that floods when a river bursts its banks

26
Q

what is an oxbow lake?

A

a C shaped lake formed when a meander is cut off