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South Island High Country Flashcards | StudBud
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South Island High Country
South Island High Country
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Key facts
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Why is soil poor on the WHC?
Heavy rainfall means leaching is common
Slopes are too steep for the soil to form properly
Extreme wind takes the top soil away
Because the vegetation uses all the nutrients
2
What sort of vegetation is on the WHC as a result of high rainfall?
Scrubs and mosses
Tussock
There is none because it's too cold
Bush, ferns, beech trees
3
How much rain on average does the Mackenzie Basin receive?
100mm
600mm
1500mm
4000mm
4
What is a fohn wind?
Wind from the sea
Warm wind that descends on the rainshadow side of mountains
Wind that crosses mountains
Wind that goes a different way to normal
5
What is the mean average rainfall on the West Coast?
3250mm
7500mm
1000mm
4000mm
6
Where in a glacier is the most erosion occurring?
The ablation zone
The accumulation zone
The transportation zone
7
Which region has steep slopes, V-shaped valleys, high rainfall, and beech forests?
Eastern High Country
Mackenzie Basin
Western High Country
Southern Alps
8
How are V-shaped valleys formed?
Fast-flowing rivers cutting down river beds on steep slopes
Block mountains means erosion is concentrated in one area
Tectonic uplift caused a V shape
glaciers carving out valleys
9
What is the result of tectonic uplift and fluvial erosion?
U-shaped valleys
V-shaped valleys
Horn peaks
Glaciers
10
Which region has mountains, glaciers, permanent snow above 1800m and sparse vegetation?
Southern Alps
Western High Country
Eastern High Country
Mackenzie Basin
11
What is the mean average rainfall on the East Coast?
750mm
1500mm
3750mm
2000mm
12
What is a simple explanation of orographic rainfall?
rain from moist air forced to rise & cool over mountains
rain from air travelling over deserts
rain that falls as snow
rain that falls on the east of mountain ranges
13
Which area has a rainshadow?
Mackenzie Basin
Western High Country
Southern Alps
Canterbury Plains
14
What is the dominant wind direction?
South
North
West
East
15
What is the result of the Indo- Australian plate and the Pacific colliding?
New Zealand
The Southern Alps
Glaciers
Intermontane Basins
16
Which region experiences the most extreme winter and summer?
Eastern High Country
Western High Country
Mackenzie Basin
Southern Alps
17
What is terminal moraine?
The material left at the end of a glacier when it retreats
The material carried within a glacier as it moves
The material that is carried on top of a glacier as it moves
The material left on the sides of a glacier when it retreats
18
What is the result of the interaction between climate and high altitude?
Rain falls as snow and glaciers form
Rain falls on bare rock
Rain falls and washes glaciers away
No rain
19
Which region has rugged hills, U-shaped valleys, tussock and a rainshadow?
Mackenzie Basin
Eastern High Country
Western High Country
Southern Alps
20
Why does the soil in the EHC have a hard crust?
Because the rocks don't break down easily
Because of steep slopes and the cold climate
Because they are waterlogged
Because high temps and low rainfall means water evaporates
