Combatting a lack of water

Question 1

Flooding

Answer 1

Method of rain collection

Question 2

Snowmelt

Answer 2

Source of water

Question 3

Aquifers

Answer 3

Rocks below the surface contain groundwater
Wells can be built to access them
For example, the Great Artesian Basin, Australia

Question 4

Rivers

Answer 4

Source of water

Possible diversion

Question 5

Pipelines and transfer schemes

Answer 5

Water carried from an area of low water scarcity to high
Usually contreversial due to cost and possibility for displacement
E.g. the Indian Gandhi Canal irrigating the Thar desert

Question 6

Resevoirs

Answer 6

Creation of artificial lake
Can evaporate - so Saudi Arabia covers reservoirs with palm leaves
E.g. Lake Mead, Mojave

Question 7

Desalinisation schemes

Answer 7

Extracts minerals from salty water
Useful for irrigation and consumption
E.g. Saudi Arabia = #1