Soil Moisture Budget/ Water Balance:

Question 1

What’s stage 4?

Answer 1

Soil moisture recharge

Question 2

What happens at stage 4?

Answer 2

The soil water starts to be recharged

Question 3

Whats stage 1?

Answer 3

Soil moisture surplus

Question 4

What happens at stage 1?

Answer 4

Soil water store is full which gives a surplus of soil moisture for plants and runs off into streams

Question 7

What happens at stage 5?

Answer 7

The soil water is now full

Question 8

what’s stage 5?

Answer 8

Field capacity has been reached

Question 9

What’s stage 3?

Answer 9

Soil moisture deficiency

Question 10

What happens at stage 2?

Answer 10

Plant must rely on stored water which is gradually used up

Question 11

What happens at stage 3?

Answer 11

Plants must have adaptations to survive for long periods or land must be irrigated

Question 14

What’s stage 2?

Answer 14

Soil moisture use

Question 15

Why is it useful?

Answer 15

They can help to highlight river basin management challenges

Question 16

What can it help detect?

Answer 16

Periods when there’s likely to be water deficiency or drought

Periods when flooding is likely to occur

The best time for irrigation

Long term changes in the storage capacity of the drainage basin

Question 17

What are the two lines representing?

Answer 17

Monthly precipitation and potential evapotranspiration