LIFESCI 2H03 Lecture Notes - Daisyworld, Gaia Hypothesis, Global Cooling
11 Jun 2013
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Document Summary
More greenhouse gases when earth was cooler due to its activity. As the sun was gaining strength, the emergence of life regulate the amount of carbon dioxide in the atmosphere. Used in virtually every field of inquiry. The essentials of a system system: an entity composed of diverse but interrelated parts. The state of a system set of important attributes that characterize the system at a particular time. Any change that is occur can be measured. Couplings links allowing the flow of information from one component to the next. Feedback loops feedback: self-perpetuating mechanism of change and of response to that change. Equilibrium state conditions of the system that: will not change unless disturbed. When stable: modest disturbances followed by system response tend to return to the system to its equilibrium. Perturbation volcanic eruption: impact on global surface temperatures, global cooling due to sulphuric dust forcing: change in system over long time scale.
