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WHAT IS IT?

ForestFires
by Justin Hartsfield

Simulates the cycle of forest fires. Trees change from living to burning to burnt back to living again.

HOW TO USE IT

Hit Reset to set the forest up.
Hit go to start and stop the simulation.

ADJUSTING PARAMETERS

numTrees = the number of trees that will be generated in the forest when you hit reset.

burningTreeProbability = the probability that a tree generated will begin in the "burning" state.

deadTreeProbability = the probability that a tree generated will begin in the "burnt/dead" state

deadOverridesBurning = when on, if a tree is selected to begin as both "burning" and "burnt" the tree will be set to "burnt"

fireDuration = the number of cycles a tree will remain in the "burning" state before changing to the "burnt" state.

fireResistenceProbability = the probability that the forest resists the transmisison of the fire from one tree to another.

regenerationTime = the number of cycles a tree remains in the "burnt" state before reverting back to the "living" state.

fireJumpRange = the maximum distance a "burning" tree can spread its fire.

lightening = when on, selects a tree at random and sets it to the "burning" state if it is currently in the "living" state.

lighteningFrequency = the number of cycles that pass between lightening strikes.

dieSpawn = when on, each tree moves one patch at random upon regeneration.

CREDITS AND REFERENCES

Credit to Dr. Carter for his wealth model. I used it to study how netlogo works and to learn basic syntax for this model.

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