Water Resources

Question 1

Definition of water security and the source

Answer 1

Adequate quantities of acceptable quality water for sustainable livelihoods, human well-being, and socio-economic development (Grey and Sadoff, 2007)

Question 2

Water scarcity

Answer 2

Demand for water is greater than its availability

Question 3

What are water towers?

Answer 3

mountain regions that store and release fresh water

Question 4

How many people live on the Mekong Delta?

Answer 4

18 million

Question 5

How much has the mekong delta susbsided?

Answer 5

18cm over 25 years

Question 6

How is annual mean precipitation change worldwide?

Answer 6

Increasing in most regions and decreasing over a smaller area, particularly in the tropics

Question 7

What is driving changes in precipitation?

Answer 7

Increased GHG emissions leads to increase in the atmospheres water holding capacity as air is wamer

Question 8

meteorological drought

Answer 8

Periods of persistant low precipitation

Question 9

hydrological drought

Answer 9

defecits in soil moisture, streamflow and water storage

Question 10

Agricultural and ecological droughts

Answer 10

Increased atmospheric evaporative demand increases plant water stress