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School
Mid Michigan Community College *
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Course
101
Subject
Geography
Date
Dec 6, 2023
Type
Pages
3
Uploaded by MagistrateNeutronFox27
1.
Based exclusively on the data provided and your graph, what conclusion would
you make regarding climate change?
b. Sea ice is expanding, which indicates a decrease in temperature
2.
What is slope of the line of best fit for this data?
d. 0.017 million square kilometers per year
3. Even though the above data is accurate, give and explain two reasons why this
dataset might lead you to an incorrect conclusion regarding global climate change.
1.
Unsure if information is by a main source and not a secondary.
2.
Data taken every two years instead of every year
3.
Data indicates global temperatures decreasing, when truly they are increasing.
Therefore, it may not be reliable.
4.
What is the slope of the line of best fit you estimated for this data set? Make sure
to show your work.
5-4.36/2012-1990=0.029
5.
What conclusion about climate change could you make from this dataset? How
does your result for the extended dataset compare to the results from the data
presented in the article (Part A)?
Ice coverage fluctuated over the years. Experiments may depict a small increase
in coverage as per the slope obtained. Possible for an increase in extreme
conditions in the ice covered region.
6. What is the slope of the line of best fit you estimated for this data set? Make sure to
show your work
15.58-16.13/1994-1980=-0.023
7. What conclusion on climate change could you make from this dataset? How does
your result for the North Pole compare to that of the South Pole (Part B)?
There is an increase in temperature, while ice is melting in the North pole. This is the
opposite for the South.
8. Examine and describe the ocean currents flowing in the Atlantic Ocean from the
equator to the North Pole starting from Brazil (6 08 54.55S 35 58 24.09W). Do these
currents reach the northern polar ice sheet? If the tropics become warmer, how would
this affect the northern ice sheet?
Yes, the Northern Ice sheet would certainly melt more.
9.
Examine and describe the ocean currents flowing in the Pacific Ocean from the
equator to the South Pole starting from Somalia (0 32 32.23N 44 09 15.47E). Do
these currents reach the southern polar ice sheet? If the tropics become warmer,
how would this affect the southern ice sheet?
No, I feel there would be no effect.
10.Based on your answer to questions eight and nine, explain why we see different
trends in the sea ice extent in the south (Part B) and north poles (Part C).
I believe this trend is seen because of current direction and temperature. As
previously implied, the Southern ice sheets expand and with no warm water
hitting the area doesn't melt. On the other hand, North ice sheets decrease as
warm waters impact the area.
11. How might the changes you saw in the previous exercises relate to global
albedo, sea level, ocean salinity, and temperature?
I feel albedo at the South pole would be more than the North pole. There is
higher ocean salinity at the South pole. Therefore, the North pole has a higher
sea level. In my opinion, temperatures will be higher near the North pole and
lower near the South pole.
12. Do you think any conclusions (if any) regarding climate change should be made
based on the data presented in this assignment?
No, I'm unsure if this information was gathered from a main source rather than a
secondary one. Furthermore, the data is only gathered every two years.
13. What data do you think are needed to make a conclusion regarding climate change?
Data should be collected every year instead of every two years. Also, more studies into polar ice
coverage, sea level, temperatures, and ocean salinity from many places in the world would be
great too.
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