River Mersey Flashcards Preview

Geography - Water & Carbon > River Mersey > Flashcards

Flashcards in River Mersey Deck (13)
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1
Q

What type of rainfall?

A

relief as on mountains

2
Q

What is rainfall?

A

Above UK average, 926 mm per year

3
Q

How long does it flow for from its source?

A

70 miles

4
Q

What type of slopes are in the east?

A

steep slopes - Pennines / permeable / peat moorland / low population density

5
Q

Where is there a reservoir?

A

Ridgegate - stores water so impacts on natural flows of water

6
Q

Whats rock like to the west?

A

most permeable - heavy built area

7
Q

How many homes at risk of flooding?

A

300 homes at risk of 1% annual flood

8
Q

What have they improved?

A

flood warning systems

9
Q

What do flood alleviation channels do?

A

take water out of river, hold it for a while and then put it back

10
Q

What have they been trying to generate?

A

extra space for water

11
Q

Highest river level reached?

A

3.64 metres in 2000

12
Q

What creates a smoother flow of water?

A

waters being channelised

13
Q

How have they planned land use?

A

golf courses on flood plains not homes and becoming aware