enve3503 – environmental engineering population growth
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ENVE3503 – Environmental Engineering Population Growth. The Sorcerer’s Apprentice. 1048576 524288 262144 131072 65536 32768 16384 8192 4096 2048 1024 512 256 128 64 32 16 8 4 2 1. Exponential Growth. Exponential Growth. 1048576 524288 262144 - PowerPoint PPT PresentationTRANSCRIPT
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ENVE3503 Environmental EngineeringPopulation Growth
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Exponential Growth
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Exponential Growthexponential growth model, withX0 = 1 = 0.69 d-1104857652428826214413107265536327681638481924096204810245122561286432168421
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The Death Term
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Limits to Exponential Growth(non-renewable and renewable resources)http://wildgoosechasing.blogspot.com/2007/12/experts-world-population-will-explode.html
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Logistic Growth (limitation by non-renewable resources)
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http://www.cbc.ca/gfx/images/news/photos/2008/06/27/f-un-food-distribution-584.jpgLimits to Exponential Growth(non-renewable and renewable resources)
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The Monod Model (limitation by renewable resources)Substrate ConcentrationGrowth Rate
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The Monod Model (limitation by renewable resources)
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The Yield Coefficient (linking substrate depletion and growthBiomass, SubstrateTime
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Life at carrying capacity Consider the differences in life at carrying capacity for non-human and human populations.
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A catastrophe of Malthusian proportion How may humans experience misery and vice in a catastrophe of Malthusian proportions?
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Soiling the global nest What is the role of the environmental engineer in restoring the Earths carrying capacity?
Can you think of an example where this has been accomplished?carrying capacity, K
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IPAT: the elephant in the global living room
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IPAT and the environmental engineerthetechnologicalsolution
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IPAT and us thesocialsolution
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Farmer Bean and Her PigsDrawings by Bill Sproule