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class 2 - OCE1001 Elementary Oceanography Fall 2011 Reading...

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OCE1001 Elementary Oceanography Fall 2011
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2 Reading Assignment Chapter 4: pages 115-116; 125-128 Chapter 16: Climate Change
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Why Study Oceanography? 1. World population growth, climate change 2. Need more resources, energy 3. Urbanization of the world, contamination problems
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Population Explosion 1960: empirical equation proposed by von Forester 2010: Predicted = 9.5 billion Actual = 6.8 billion 1989: Predicted = 4.9 billion Actual = 5.2 billion
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(end of the world?)
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Historical Population Growth 6.96 billion 8-31-11
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World Population Growth Population growth video… World annual growth rate ~1.2% (~2% in 1960‟s) Doubling time <60 years “Rule of 70” World population = 6,959,041,214 Aug. 31, 2011 http://www.census.gov/main/www /popclock.html
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Exponential Growth Start with $1 Double your money once per day How many days will it take to reach $1 million dollars?
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20 Largest Countries 16/20 developing countries
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Urbanization and “Megacities” “Megacity” = >10 million people 1950: 1 megacity; New York Today: 17 megacities, 14 coastal, 11 in Asia 2030: 2 out of 3 people will be urban
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