Earth’s Dynamic Ocean and Atmosphere

Earth’s Dynamic Ocean and Atmosphere II Worksheet

From Visualizing Earth Science, by Merali, Z., and Skinner, B. J, 2009, Hoboken, NJ: Wiley. Copyright 2009 by Wiley. Adapted with permission.

Part 1

Figures 1 and 2 depict two important features of the world ocean. Figure 1 shows one way in which the ocean basins filled with water and Figure 2 represents one of the many mineral sources contributing to ocean salinity.

Figure 1 Figure 2

Explain the origin of ocean water in 150 words.
Discuss the particular way in which Figure 2 contributes to the salinity of seawater. What is the current theory on the evolution of the world ocean?

Part 2

This critical thinking question is from Chapter 12 in your textbook:

In May 1990, a container ship called Hansa Carrier encountered a storm in the North Pacific at about 48° north latitude, and lost 21 containers overboard, five of which contained 80,000 Nike shoes. The shoes carried serial numbers that identified them as being from the containers. By the end of 1990, shoes were washing up on Vancouver Island, British Columbia, and Oregon. By the winter of 1991, shoes were appearing on Hawaiian beaches.

Using Figure 12.11 in the textbook. Answer the following questions:

Which ocean currents were most likely to have transported the shoes?
Locate and describe one other surface current in the world ocean.

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