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G101_EarthSystemConclusions

G101_EarthSystemConclusions - Our Physical Environment...

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1 Our Physical Environment: Earth system links and the anthrosphere Geog101 Andrew Oliphant Net radiation at top of atmosphere Global surface temperature Mean June pressure fields Tectonic architecture Global landforms
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2 Annual Precip Global climates Global deserts Global vegetation types The anthrosphere Who speaks for the Earth? (Carl Sagan) Throughout this course we have witnessed the inextricable links between humans and the physical environment of our home planet – Release of CO2, and other pollutants affect the balance of the climate system – Pumping of aquifers, release of pollutants into waterways affect the hydrologic system – Damming of rivers, building of seawalls affects natural systems of erosion, transportation and deposition – Fires, deforestation and agriculture affect the sensitive balance of ecosystems and soils… Recent temperature change, sea level rise and decline of snow and ice
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3 Desertification and deforestation Soil degradation
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