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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 Presentation
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ENVE3503 Environmental EngineeringPopulation Growth
Exponential Growth
Exponential Growthexponential growth model, withX0 = 1 = 0.69 d-1104857652428826214413107265536327681638481924096204810245122561286432168421
The Death Term
Limits to Exponential Growth(non-renewable and renewable resources)http://wildgoosechasing.blogspot.com/2007/12/experts-world-population-will-explode.html
Logistic Growth (limitation by non-renewable resources)
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)
The Monod Model (limitation by renewable resources)Substrate ConcentrationGrowth Rate
The Monod Model (limitation by renewable resources)
The Yield Coefficient (linking substrate depletion and growthBiomass, SubstrateTime
Life at carrying capacity Consider the differences in life at carrying capacity for non-human and human populations.
A catastrophe of Malthusian proportion How may humans experience misery and vice in a catastrophe of Malthusian proportions?
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
IPAT: the elephant in the global living room
IPAT and the environmental engineerthetechnologicalsolution
IPAT and us thesocialsolution
Farmer Bean and Her PigsDrawings by Bill Sproule