Earth as a System: Energy π, Matter & Life
Earth as a System: Energy π, Matter & Life
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This lecture delves into the Earth's five interdependent spheres, exploring their energy flow and the effects of changes within them. It examines the significant role of solar energy, its uneven heating, and consequent impact on climate systems. The discussion extends to vital biogeochemical cycles like water, carbon, nitrogen, and oxygen, underlining their necessity for life. Addressing human influences, the lecture highlights issues like fossil fuel use, deforestation, and pollution, while...