Lab 9

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School

Georgia State University *

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1112

Subject

Geography

Date

Oct 30, 2023

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docx

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Lab 9 Q1. Assuming you are a student at Georgia State University, what is the climate type of Atlanta, Georgia? Cfa- Mild temperate, fully humid, hot summer Q2: How does the temperature range (i.e., difference in temperature between hottest month and coldest month) generally change when moving from the Equator to the Arctic Circle and what is the primary cause of this change? Q3: During what season do Ciudad Bolivar (Aw), Belize City (Am), Mexico City (Cwb), Winnipeg (Dfb), Fairbanks (Dfc), and Barrow (ET) receive a large proportion of their precipitation? Q4: During what season do Los Angeles (Csa), San Francisco (Csb), and Vancouver (Cfb) receive a large proportion of their precipitation? Q5: What feature brings a lot of rainfall to the Caribbean in the summer (June-August)? Q6: What features were more likely to traverse across the Canada in the summer (June-August) — and produce rainfall — as opposed to traversing across Canada in the winter (December- February)? Q7: Based on the climographs for the near-present situation, what do you think was the climate type and biome for the location of Atlanta 21,000 years ago? Q8: Why would you assume that Atlanta would have received much less precipitation 21,000 years ago compared to today? Q9: What was the general trend in the surface temperature from 1979 to the present?

Q10: What do you think caused the Earth’s temperature to trend in that direction? Q11: What phenomenon caused the anomalously warm years listed above? Q12: How does the trend in the temperatures in the middle troposphere compare to the trend in the surface temperatures? Q13 : What caused the lower stratosphere to be relatively warm in 1982/1983 and 1991/1992? Q14: How does the trend in the temperatures in the lower stratosphere compare to the trend in the surface temperatures (and the trend in the middle troposphere)? Q15: What do you think caused the cooling trend in the lower stratosphere? You did a lab earlier in the semester that focused on stratospheric ozone. If you do not remember what you learned in that lab, then you should revisit it so that you can answer this question. Q16: Based on your inspection of the radiative forcings in the graphic above, what forcing agent has been the most responsible for global warming over the past several decades? Q17: What effect of the increased accumulation of energy by the oceans is seen in the image above to the far right? Q18: What other impact have increased CO 2 concentations had on the oceans? Therefore, in addition to CO 2 being the major cause of the recent global

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