Agata Łuszczyńska

II LO im. Stefana Batorego

Climat Modelling

Question 1:

• The temperature of the Earth is not constant. It depends on many factors such as the distance to the Sun, weather conditions.

• The factors that affect the Earth temperature:

- distance of Earth to the Sun

- concentration of CO₂

- air composition

- ice cover

- cloud cover

- sea currents

- winds

- volcanic activity

Question 2:

• The factors affecting the rate at which the energy arrives at the Earth:

• distance of Earth to the Sun

• Earth's albedo

• the tilt of the axis of Earth

Question 3:

• A 5% increase in solar radiation will result in a rise in Earth's temperature

• The temperature rise will indicate an increase in outgoing radiation as the outgoing radiation is proportional to the Earth's temperature in the fourth power.

Question 4:

• The Earth's temperature rises for about4 years and then it slowly stabilizes and the rise is very small.

• It comes to and equilibrium of about 286,47 K after 13 years

Question 5:

• The equilibrium is still the same even if I use different time intervals

• If I use a smaller increasement, there are more calculations

Question 6:

• If I increase the rate of incoming radiation to 1,08 then the equilibrium will be at 288,49 K indicating a rise in temperature.

If I decrease the rate to 0,95 the equilibrium will be 279,39 K indicating a fall in temperature

• It clearly shows the trend in the temperature change and is easy to read.

Question 7:

• Because it is easy to predict the temperature trend from the graph.

• The assumptions that we made for the model:

• there is no change in the production of greenhouse gases

• there is no change in the effect of the greenhouse effect

• the Earth is equally warm on all of it's surface

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