Monday, November 23, 2009

Water Questions 2





  1. List the main reasons for water scarcity
    The main reasons for water scarcity are variations in climate, land degradation, water pollution, and population growth.

  1. What is drought? What type of hardships do you think that a drought could cause if you were living in a village in a poor country such as Etheopia?

Drought is a time when it doesn't rain, if you live in Etheopia in a small village where a drought occurred, so they might not have mush water with them , so people can die.



3.How does land degradation affect the supply of fresh water?

Land degradation decreases infiltration, so we cant store water down at the aquifer.



4. a.) What is El Nino?

When a warming in temperature occurs



b.) Why does Eil Nino often cause drought in Australia?

Because Austrailia is in the pacific ocean



5. Observe the map showing the global effects of El Nino in 1982-83



a.) What effects does El Nino have on the availability of fresh water?

It causes drought.



b.) Name the countries and describe the problems that arose from decreased rainfall caused by El Nino.

Drought

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