Landscapes and physical processes Flashcards

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1
Q

Urbanisation (Flooding)

A

expansion of towns and cities
leads to ground being covered

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2
Q

Vegetation (Flooding)

A

different types intercept different amounts of rainfall
removal of vegetation

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3
Q

Geology (Flooding)

A

increased groundwater flow
a rock may not be porous

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4
Q

Climate (Flooding)

A

increased amounts of rainfall
seasonal rainfall
storm event

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5
Q

The speed at which water moves through drainage basins can vary due to:

A

quantity of rainfall
quantity of vegetation cover
size of drainage basin

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6
Q

Flows and stores of water

A

water moves through a drainage basin
flows from one store to another

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7
Q

Infiltration

A

movement of water into the soil

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8
Q

Intended human activity

A

management strategies
reduce erosion from river and coastal landforms

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9
Q

Extreme weather events (Climate)

A

a powerful storm can change the appearance of a storm overnight
More severe the storm, the more destructive the waves get

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9
Q

rivers (Climate)

A

more water that is flowing in the river, higher the erosion rates will be

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10
Q

Coasts (Climate)

A

the prevailing winds affects the angle at which the waves break on to the coastline

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11
Q

What factor affect the rates of landform change in river and coastal landscape

A

Geology
Climate
Human activity

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12
Q

Rock pools

A

are small hollows in rocks found at the coastline

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13
Q

Beaches and Spits

A

Both beaches and spits are formed when the swash is stronger than backwash

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14
Q

Arches and Stacks

A

weathering erodes the roof of the arch
the roof collapses to leave a pillar of rock

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15
Q

bay

A

is formed due to softer, less resistant rock which erodes quicker

16
Q

Headland

A

is an area of land that juts into the sea

17
Q

The processes that erode the cliff are

A

Hydraulic action
Abrasion:
Solution:

18
Q

Rockfalls and Landslides

A

once rock has been eroded from the upper cliff, the material moves down, resulting in mass movement

19
Q

Coastal landscapes: slope and coastal processes

A

coastline is shaped over time by (Slope processes)
a cliff may retreat through weathering

20
Q

Floodplains

A

when the river floods, it becomes covered with water
the material makes the soil fertile

21
Q

Meanders

A

are usually found in the middle and lower courses
bends in the river
Caused by both erosion and deposition

22
Q

Gorge

A

is a steep sided narrow valley
is formed when a waterfall collapses and retreats

23
Q

Differential erosion

A

where waterfalls form due to a change in rock structure
which leads to erosion of river bed

24
Q

Glacial Erosion

A

waterfalls have formed due to the erosive power of a glacier
Glaciers carve steep valleys into the landscape

25
Q

waterfalls and plunge pools

A

can be formed by Glacial erosion or Differential erosion

26
Q

V-shaped valleys

A

found in the upper course of a river valley
usually found when the river is small

27
Q

Erosional processes of the river bed include:

A

Attrition
Abrasion

28
Q

Erosional processes

A

Abrasion
Hydraulic action
Solution

29
Q

River landscapes

A

River landscapes change due to fluvial erosion, transportation, and deposition

30
Q

Impact of human activity on Snowdonia

A

increase house prices
increase in rural homes (activity)
footpath erosion

31
Q

How are physical landscapes affected by Human Activity

A

Visitors bring benefits to rural economies
Visitor pressure may affect landscape

32
Q

Examples of distinctive landscape

A

Physical features- (Mud flats, Wide valley floor)
Land use- tourism
Vegetation (Sand dune)

33
Q

What makes a landscape distinctive

A

Upland and lowland areas
River and coastal landscapes