Geosphere- Vegetation And Topography

Question 1

Why is vegetation important

Answer 1

Atmospheric composition
Slope stability
Soil quality

Question 2

Where is most carbon stored

Answer 2

Rocks

Question 3

4 factors that control the distribution of deserts (controls on rainfall)

Answer 3

Atmospheric circulation
Continental isolation
Rain shadow effects
Ocean circulation

Question 4

3 types of sediment transport (aeolian)

Answer 4

Suspension
Saltation
Creep

Question 5

What is the main type of transport in water

Answer 5

Suspension

Question 6

What is the main transport in air

Answer 6

Saltation

Question 7

Name 3 types of landforms found in deserts and dry land environments

Answer 7

Ventifacts 
Regs 
Yardangs
Inselbergs 
Ergs

Question 8

What are yardangs

Answer 8

Wind abraded ridges orientated with the prevailing winds

Question 9

What are inselbergs

Answer 9

Isolated mountains of resistant rock

Question 10

What are the controls of dune formation (3)

Answer 10

Sand supply, wind regime, vegetation

Question 11

Name 3 ways that the removal of vegetation impacts agriculture

Answer 11

Increased run off and erosion
Soil organic matter decline
Decrease in soil quality and fertility

Question 12

Name an impact of deforestation

Answer 12

Soil erosion
Loss of soil productivity
Loss of a carbon sink

Question 13

What are arroyos

Answer 13

Deep channels found in semi arid environments

Question 14

What are ephemeral rivers characterised by

Answer 14

Flashy flow regimes

Not stable