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Lecture 1

106 Lecture 1: Week 1

Geological Sciences and Geological Engineering
Course Code
GEOL 106
John Hanes

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Monday Class 2015-02-11
John A. Hanes
Civilization exists by geological consent, subject to change without notice. – William Durant (Historian)
Why has there been an increase in the impact of natural hazard events?
Partly because population growth – more people experience the events (2011 we passed 7 billion people in
the world)
Over the past few numbered years the population growth has been growing exponentially
1800 <1 billion
1900 1.6 billion
1950 2.5
2000 6.0
2010 ~7.0
Local Scale
Quebec oil tank collision
Regional Scale:
Oil extraction
Aral Sea – 4th largest body of water
1960, desert was irrigated to grow cotton
Water was extracted from Amu Darya and Syr Darya rivers
Result in shrinkage of Aral Sea
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