The Interconnected Earth System
Explore how the Earth System operates through reservoirs, flux processes, and feedback loops. Discover the connections between Cryosphere, Geosphere, Hydrosphere, Biosphere, and Atmosphere, and learn about human-caused impacts on the environment.
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Presentation Transcript
How the Earth System is Connected
The Earth System Reservoirs or spheres realms of matter that reside on Earth Cryosphere: ice Geosphere: rocks/sediment Hydrosphere: liquid Biosphere: living organisms Atmosphere gases
The Earth System Flux process that moves matter from one reservoir to another Cryosphere: ice Geosphere: rocks/sediment Example: Evaporation moves water from oceans to atmosphere Hydrosphere: liquid Biosphere: living organisms Atmosphere gases
The Earth System Flux process that moves matter from one reservoir to another Cryosphere: ice Geosphere: rocks/sediment Question: What is one example of a human-caused flux? Hydrosphere: liquid Biosphere: living organisms Atmosphere gases
The Earth System Feedback loop change in one aspect of a system will eventually modify what was originally changed. Example: Initial change: Earth s temperature increases Secondary change: Polar ice caps melt Tertiary change: Earth becomes less reflective and absorbs more heat
The Earth System Feedback loop change in one aspect of a system will eventually modify what was originally changed. Another way to look at it as a true loop : Earth s temperature increases Earth becomes less reflective & absorbs more heat Polar ice caps melt
The Earth System This is a positive feedback loop meaning initial change is enhanced or increase in temperature eventually enhances (increases) temperature. Earth s temperature increases Earth becomes less reflective & absorbs more heat Polar ice caps melt
The Earth System Negative feedback loops work like thermostats. Can you complete this negative feedback loop? Earth s temperature decreases Earth s temperature increases Evaporation increases Cloud coverage ?
The Earth System Initial temperature increase results in temperature decrease via cloud coverage. Earth s temperature decreases Earth s temperature increases Cloud coverage increases cooling the Earth s surface Evaporation increases
