Geography 1400F/G Lecture Notes - Lecture 4: Taylor Dome, Lithosphere, Ower

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Important aspect of unit: understanding past climatic changes to appreciate the significance of future climate change. An important aspect of understanding anthropogenic climate change is understanding how humans have changed the carbon cycle. Biogeochemical cycles repeated movements of elements essential to life (e. g. carbon, nitrogen and phosphorous) through reservoirs" (or sinks): *** in short, elements cycle through air, water, living things, soils, & rocks *** Residence time: average amount of time that element resides in a given reservoir water pollution & consumption. + gas, some of which gets trapped in pockets or reservoirs. 5 explosive industrial growth rise of auto-based societies e. g. us 1969-95: & time-space compression" (& industrial relocation) agro-industrial revl"ns animal traction >> combustion engine synthetic fertilizer petro-ag-chemicals factory farms. Modern agriculture has become the art of turning oil into food. ". Us energy sources, 1850-2005 nat"l gas oil coal. Fossil energy: the "lifeblood" of the global economy. 2013: 400 ppm combining w/ o2 to generate energy.

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