1.31-River Dee Case Study Flashcards Preview

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Flashcards in 1.31-River Dee Case Study Deck (9)
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1

where is the river Dee?

an upland area of Snowdonia
north Wales

2

Is annual precipitation high or low here?

high

3

What direction does the river Dee start flowing in?

south easterly, eroding this heavily glaciated upland landscape formed of igneous and metamorphic rocks

4

What what happens near Chester?

the river meanders across a wide floodplain, eroding softer rocks and depositing sediment

5

why does the river Dee become straight?

a section is artificially straightened giving it a man-made landscape

6

how is the Wirral estuarine lands cape formed?

by further deposition occurring

7

What human activity is causing change in the river Dee?

channelisation increases discharge and velocity

a series of reservoirs were built

earth embankment protected agricultural land and properties preventing further development of the floodplain landscape

8

What physical factors cause change in the river Dee?

a 1m sea level rise will replace marshy landscapes

a rise in sea level will destroy rhe estuary landscape

9

How was the river Dee formed? (complete summary)

The river Dee is an upland area in Snowdonia

Annual precipitation is very high

The river flows south easterly eroding upland landscapes of igneous and metamorphic rocks

near Chester the river Dee meanders across a wide floodplain, depositing sediment

a section is artificially straightened giving it a man-made landscape

further deposition forms the Wirral estuarine