Daisyworld Model

James Lovelock, Andrew Watson, Dave Bice, Dept. of Geosciences, Penn State University

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The simulation exercise uses a STELLA-based model called Daisyworld to explore concepts associated with Earth's energy balance and climate change. Students examine the evolution of a simplified model of an imaginary planet with only two species of life on its surface -- white and black daisies -- with different albedos. The daisies can alter the temperature of the surface where they are growing.

Subject: Geoscience:Atmospheric Science:Climate Change, Environmental Science:Global Change and Climate:Climate Change:Climate feedbacks, Global change modeling, Environmental Science:Global Change and Climate:Climate Change, Geoscience:Atmospheric Science:Climate Change:Global change modeling, Climate feedbacks, Geoscience:Atmospheric Science:Climatology :Solar radiation, Climate sensitivity and feedbacks, Geoscience:Atmospheric Science:Climatology
Grade Level: College Upper (15-16), College Lower (13-14)