Throughflow, GWF and Channel flow

Question 1

What is throughflow?

Answer 1

movement of water downslope through the soil

Question 2

What does water move through in the soil?

Answer 2

natural pipes or small tubes called percolines

Question 3

What can cause percolines?

Answer 3

• roots
• animals burrowing
• layers of soil

Question 4

What allows throughflow to occur?

Answer 4

capillary action, gravity (to some extent)

Question 5

How does surface soil differ from soil further down?

Answer 5

surface soil is less compact, newer and has larger particle size

Question 6

How might throughflow differ in different depths of soil?

Answer 6

faster through soil closer to the surface

Question 7

What are aquitards?

Answer 7

areas of bedrock with low permeability

Question 8

What are aquicludes?

Answer 8

areas of bedrock with no permeability

Question 9

How might aquicludes impact aquifers?

Answer 9

prevent them from being recharged easily

Question 10

How might channel flow link to overland flow?

Answer 10

if capacity of river is exceed, water flows onto surface of land