GGR288H5 Study Guide - Final Guide: Edwards Aquifer, Aquifer, Overdrafting

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Published on 14 Apr 2013
School
UTM
Department
Geography
Course
GGR288H5
Professor
GGR288-2010 Exam Answers
1)
a. Why is Mexico (the country) faced with a water shortage that is predicted to become worse in 25-40 years?
QUALITY:
septic tanks
not many public sewage systems. In 2002 only about 27% of the waste water was treated
low groundwater quality
from 122 countries Mexico is ranked 106 in its water quality eg. it is very low
high phosphorus and arsenic in many lakes
high dissolved oxygen
QUANTITY:
groundwater over exploitation
annual precipitation very low
Mexico ranked 94 out of 182 countries for natural water availability
increase in industrialization has put stress on aquifers
b. Mexico City has a severe water shortage problem. Why?
lower decreased water supply
high population growth around a small reservoir of water
weak sewage system
Overdrafting or over use eg. Ogallala river
low precipitation
c. What is Mexico City doing to provide water to its citizens?
It is estimated that there are some 1,200 water utilities throughout the country providing 83.3% of the
population with drinking water
2)
a. What do the Dublin Principles say about how we should regard water?
Water is a resource that has now become an economic commodity
Water has an economic value in all its uses, and should be recognised good.
b. Discuss the positive and negative aspects of privatization of water supplies.
POSITIVE
Public water agencies have been unable to satisfy the most basic needs for water for all humans;
private water companies build, own, and operate water systems around the world with annual
revenues of approximately $300 billion
NEGATIVE
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Document Summary

In 2002 only about 27% of the waste water was treated. From 122 countries mexico is ranked 106 in its water quality eg. it is very low. High phosphorus and arsenic in many lakes. Mexico ranked 94 out of 182 countries for natural water availability. Increase in industrialization has put stress on aquifers: mexico city has a severe water shortage problem. High population growth around a small reservoir of water. Overdrafting or over use eg. ogallala river. Water is a resource that has now become an economic commodity. Water has an economic value in all its uses, and should be recognised good. Discuss the positive and negative aspects of privatization of water supplies. Public water agencies have been unable to satisfy the most basic needs for water for all humans; Private water companies build, own, and operate water systems around the world with annual revenues of approximately billion.

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