Select one: a. The ball moves back to the initial equilibrium point, since the f
ID: 289438 • Letter: S
Question
Select one:
a. The ball moves back to the initial equilibrium point, since the forcing process is reversible.
b. It will behave chaotic, sometimes it stays where it is and sometimes it goes back to the initial point.
c. The ball does not respond and stays in the right valley. It does not go back to the initial equilibrium point.
d. The ball moves a bit to the left (colder) in the right valley, but stays in the valley. It does not go back to the initial equilibrium point.
Tipping point temperature Positive forcing temperature Positive forcing temperatureExplanation / Answer
Climate forcing is defined as the rate of change of temperature due to the absorption of solar radiation due to the presence of greenhouse gases. Hence, this change cannot be reversible. In the graph it has been shown that the addition of a positive feedback moves the ball towards the right in order to be in equilibrium. In reality this is obvious because therefore would be a shift in the temperature(increase specifically) due to the addition of the positive feedback. But if the positive feedback is subtracted, one cannot decrease the temperature rapidly and hence it has to be a gradual process where the temperature has to be bought down in order to place the ball(in this question) in equilibrium. Therefore if the positive feedback is subtracted, the case would always have a metastable condition and hence the ball would always wobble around from the left to the right and vice versa.So, the correct option to this question would be (b) where the ball is in a chaotic postion.
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