on Antarctca near the soth pole 6. Compare figure 5.20 to figure 7.31. On the Ju
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on Antarctca near the soth pole 6. Compare figure 5.20 to figure 7.31. On the July isotherm map, why do the isotherms that are located immediately off the Washington, Oregon, and California coast bend south so abruptly? a. b. What is the temperature of the isotherm located at 40°N off of the west coast of North America in July? Looking in the same general location on the January isotherm map, in what direction (poleward or equatorward) is the same isotherm (the one you identified at 40°N in question 6 b) reside compared to July? c. Based on the correct answers to b and c, what can you conclude about the direction that all isotherms shift in summer vs. winter? d.Explanation / Answer
1. It is summer solistice in July in Northern Hemisphere. The northern hemisphere contains more landmass compared to the Southern Hemisphere, hence there will be uneven distribution of heat between land and water which results in uneven isotherm. The landmass present in the Northern hemisphere bend the isotherm towards the poles in Summer which is due to the fact that landmass have a higher sensitivity to temperature (heats quickly and cools quickly) than water.
2. 15 degree centigrade
3. The isotherm is bent equatorward (Southwards)
4. As said earlier, the isotherms in the northern hemisphere tend to bend more abruptly due to the presence of landmass. On the contrary, in the southern hemisphere, it is more uniform because, the southern hemisphere has more water percentage than landmass.
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