Carbon Transformations in Matter and Energy: A Simulation Study
Explore the dynamics of carbon pools and fluxes in an interactive simulation. Investigate how changes in initial settings affect pool sizes and observe the impact of varying fluxes on carbon transformations over time. Gain insights into net flux, patterns, and rules governing pool size changes in ecosystems.
- Carbon Transformations
- Simulation Study
- Ecosystem Dynamics
- Environmental Literacy
- Michigan State University
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Presentation Transcript
Carbon: Transformations in Matter and Energy Environmental Literacy Project Michigan State University Ecosystems Unit Activity 4.2 Carbon Pools and Constant Flux Simulation
Unit map You are here 2
Review of Tiny Pool and Flux Game What patterns did you find in the Tiny Pool and Flux Game? What is net flux?
Review of Tiny Pool and Flux Game What patterns did you find in the Tiny Pool and Flux Game? How do carbon fluxes change the size of carbon pools? What is net flux? 4
Introduction to Simulation Read the information about the simulation.
# Initial Setting (0 years) 1 year 5 years 20 years CO2 Pool Organic Pool Phs. Flux CR Flux CO2 Pool Org. Pool CO2 Pool Org. Pool CO2 Pool Org. Pool 1 500 kg 500 kg 50 kg/yr 50 kg/yr 2 500 kg 500 kg 50 kg/yr 70 kg/yr 3 4 5 6 7
Discussion What happens if you change the initial settings for pool size, but leave the fluxes the same? Why? What patterns did you notice as you ran the model?
Rules for pools and fluxes When opposing fluxes are equal, pool sizes don t change. When opposing fluxes are not equal, pool sizes change. How fast the pool sizes changes depends on the difference between the opposing fluxes. We call the difference the net flux. When the incoming fluxes are bigger than the outgoing fluxes, the net flux is positive and thepool grows. When the incoming fluxes are smaller than the outgoing fluxes, The net flux is negative and the pool shrinks.
