Pages in this set

Page 1

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Rivers
River -- Rivers begin in upland areas and make their way down to the sea. A
river starts and the source and meets the sea at its mouth. As the river travels
to the sea it channel and valleys change.
River Drainage Basin
Drainage Basin -- the area of…

Page 2

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Attrition -- Pebbles bashing into one another becoming more rounded and
smaller as they move down the river.
Changes in Characteristics
Upper Course Features
Discharge -- This is the amount of water passing a specific point at a given
time. It si measured in cubic metres per second. The discharge…

Page 3

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Meanders




Cross Section




Deposition
Erosion
Erosion
Deposition

Page 4

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Page 5

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Formation of Ox--bow Lakes
Ox--bow Lake -- Horse shoe shaped lake that is a cut off meander.
1. The erosion on the outside of the meander causes the arms of the lake to
get closer together and the neck to get smaller.
2. Eventually the river breaks through and the…

Page 6

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Deltas
Delta -- A low flat area of land that is formed at the mouth of a river and
formed by deposition.
Deltas are usually made up of fine sediment, which is deposited when the river
loses energy as it flows through the mouth and becomes part of the sea.…

Page 7

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Floodplains -- Flat area of land either side of a river channel in the Lower
course. Usually used a lot for agricultural use or building because it is so flat.
If a river floods, water will spill out over the surrounding land, the floodplain.
Friction will be increased and velocity…

Page 8

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Flooding
Causes of Flooding
Human causes Physical causes Ploughing up and down slopes instead of
around them channels the rainwater to the river faster.


Preventing the Effects of Flooding
The Met Office -- This predict the likelihood of a river flooding and gives
information to the public through forecasts and…

Page 9

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water can run very quickly into the river.

Page 10

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DEFRA ( The Department of Environmental, Food and Rural Affairs -- Holds
responsibility for deciding which areas are at risk of flooding and where to
spend on money ondefences.
Planning and Building
Before 2012 to build on floodplains you had to get planning permission and get
a Flood Risk Assessment…

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Pages in this set

Page 1

Preview of page 1
Rivers
River -- Rivers begin in upland areas and make their way down to the sea. A
river starts and the source and meets the sea at its mouth. As the river travels
to the sea it channel and valleys change.
River Drainage Basin
Drainage Basin -- the area of…

Page 2

Preview of page 2
Attrition -- Pebbles bashing into one another becoming more rounded and
smaller as they move down the river.
Changes in Characteristics
Upper Course Features
Discharge -- This is the amount of water passing a specific point at a given
time. It si measured in cubic metres per second. The discharge…

Page 3

Preview of page 3
Meanders




Cross Section




Deposition
Erosion
Erosion
Deposition

Page 4

Preview of page 4

Page 5

Preview of page 5
Formation of Ox--bow Lakes
Ox--bow Lake -- Horse shoe shaped lake that is a cut off meander.
1. The erosion on the outside of the meander causes the arms of the lake to
get closer together and the neck to get smaller.
2. Eventually the river breaks through and the…

Page 6

Preview of page 6
Deltas
Delta -- A low flat area of land that is formed at the mouth of a river and
formed by deposition.
Deltas are usually made up of fine sediment, which is deposited when the river
loses energy as it flows through the mouth and becomes part of the sea.…

Page 7

Preview of page 7
Floodplains -- Flat area of land either side of a river channel in the Lower
course. Usually used a lot for agricultural use or building because it is so flat.
If a river floods, water will spill out over the surrounding land, the floodplain.
Friction will be increased and velocity…

Page 8

Preview of page 8
Flooding
Causes of Flooding
Human causes Physical causes Ploughing up and down slopes instead of
around them channels the rainwater to the river faster.


Preventing the Effects of Flooding
The Met Office -- This predict the likelihood of a river flooding and gives
information to the public through forecasts and…

Page 9

Preview of page 9
water can run very quickly into the river.

Page 10

Preview of page 10
DEFRA ( The Department of Environmental, Food and Rural Affairs -- Holds
responsibility for deciding which areas are at risk of flooding and where to
spend on money ondefences.
Planning and Building
Before 2012 to build on floodplains you had to get planning permission and get
a Flood Risk Assessment…

Comments

No comments have yet been made