Water Quantity and Water Use Flashcards
1
Q
Water Distribution
A
3% fresh water and 97% salt water
Fresh water 3%; 69% ice caps and glaciers, 30% ground water, 0.9% other, 0.3% surface water
Surface water 0.3%; 2% rivers, 11% swamps, 87% lakes
2
Q
Canada water quantity
A
20% of world’s fresh water
7% of the world’s renewable fresh water
3
Q
Evolution of water use
A
Water use has increased at twice the rate of population growth
4
Q
Water scarcity
A
Demand for water in all sectors exceeds available stock under agreement
700 million people in 43 countries face water scarcity