Systems - Dr. Sarah Cadieux PDF

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Dr. Sarah Cadieux...

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Eaes 01.13 Hypothesis – a tentative idea to an explanation (untested but is testable) Theory – a well-tested and widely accepted view that is accepted by the scientific community Systems Thinking     

Hydrosphere – Clouds, Rain, Fire Hydrants Atmosphere – Air we breathe, wind Geosphere – earth Biosphere – People, trees, plants All systems interact with eachother

Describe a bathtub as a system –     

Hollow tub Faucet with two functions: cold/hot A drain Drain plug to hold all water in tub Two handles there to adjust the water temperature to your liking

Resevoir – the tub, what you hold the water with, what you fill Flux – things that come in and out Open system – flow in, and flow out Closed system – when no arrows lead to anything afterwards Balancing feedback loops (negative) – holding a system to an equilibrium state and make it more stable – maintaining Reinforcing Feedback Loops (positive) – tend to move a system away from equilibrium and make it more unstable – increasing the effect Influencing the climate        

Wild fires and climate change intersect Smoke (flux) Weather patterns Winds shifting Wild fire season is longer Burning fossil fuels Burn more land, change landscape, co2 in atmosphere Feedback loop...