Drainage System Flashcards

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1
Q

Where does a river start

A

It’s source usually in high ground

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2
Q

Boundary of the drainage basin

A

Watershed

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3
Q

What is the end of a river called

A

Mouth of the river

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4
Q

Mouth

A

Where the river ends and joins the sea or a larger lake

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5
Q

Tributary

A

A smaller stream that flows I to a bigger one

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6
Q

What is the point where a smaller river joins a larger river called

A

A confluence

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7
Q

Drainage basin

A

The area drained by a river and it’s tributaries

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8
Q

What does channel mean

A

River flows into it

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9
Q

What is the side of the river called

A

Banks

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10
Q

The river bed is

A

The bottom of the river

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11
Q

What feeds the river

A

Surface runoff through flow and ground water

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12
Q

What is the difference between through flow and ground water

A

Through flow is when water flows sideways through the SOIL.Groundwater flows impermeable rock won’t let it sink any further

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13
Q

What does impermeable mean

A

Doesn’t let water pass through it

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14
Q

What 3 things can rain become when it falls

A

Surface runoff
Infiltration into Through flow
Groundwater

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