Earth Science

Question 1

This NASA video shows one example of how humans have impacted the oceans. Discuss at least two other examples of how human activities impact oceans. You might consider fisheries, oil exploration, transportation, dams, global climate change, shoreline development, etc. Be sure to explain how these activities affect the oceans.

QUESTION 2

When you are at the beach, you notice that the waves seem to “break” at the same point as they come towards shore. Explain what is happening beneath the surface to cause the waves to break at this point.

QUESTION 3

Examine the chart below. At what latitudes do we find the maximum salinity? Briefly explain what contributes to high salinities here versus polar and equatorial regions.

QUESTION 4

Discuss two reasons why summer temperatures in coastal locations in Southern California are cooler than coastal locations at the same latitude in Georgia.

QUESTION 5

You are part of a research team investigating past climates. You are looking for areas to drill sediment cores to see what kind of sea creatures lived over the past several million years. Where would you most likely find undisturbed layers of sediments—off the coast of the Pacific Northwest or off the coast of New England? Explain your answer (Hint: see Figure 9.16).

Your response should be at least 150 words in length.

 

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