Environmental Oceanography: Topics and Analysis
For Students

Issues Questions

Please read each question below and type your response into each corresponding box. When you are finished, fill out your name, e-mail address, and instructor's e-mail at the bottom of this form, and click submit to send a copy to your instructor.


1:  Do you agree? Why or why not?

2:  Does the 1944 treaty provide a justifi able subsidy favoring cargo ships, which use untaxed fuel, over trucks that carry goods from country to country, using fuel taxed in the country of origin? Why or why not?

3:  Convert 4.5% to parts per million (hint: a 1% concentration is equal to 10,000 ppm).

4:  By what proportion does the sulfur in bunker fuel exceed the sulfur content in on-road diesel?

5:  At a sulfur content of 4.5%, how much sulfur, by weight, is contained in a tonne of bunker fuel (one tonne 1,000 kg)?

6:  The atomic weight of sulfur is 32, and that of oxygen is 16. What is the combined atomic weight of SO2, which is produced when sulfur is burned along with the bunker fuel?

7:  How much SO2 is produced when a tonne of bunker fuel is burned?

8:  Would you favor an international tax on bunker fuel to compensate for its environmental impact or even banning it outright? Why or why not?

9:  How does the use of cheap, polluting, untaxed bunker fuel by marine cargo vessels contribute to the loss of jobs in developed countries as manufacturing shifts to developing countries?

10:  Some port cities like Gothenburg, Sweden and Long Beach, CA have begun to offer cargo ships the opportunity to hook into electricity supplies on shore so that they can turn off their engines while loading and unloading freight. Would you favor international regulations to make this a requirement rather than an option? Why or why not?

11:  Describe the nature of “black water” and “grey water” discharged from cruise ships into the coastal waters of Alaska.

12:  What proportion of sewage samples taken from the cruise ship met standards?

13:  How did cruise ships as of 2001 avoid regulation?

14:  How much money did cruise ships bring to southern Alaska communities as of 2001?

15:  What tax was to be imposed to pay for Alaska’s proposed regulation?

16:  How much were cruise ships set to invest per ship to meet the proposed Alaska regulations?

17:  At the end of the program, what did the Coast Guard cite the fi rst cruise ship to leave Juneau for?

18:  What is the most common pollution problem linked to cruise ships according to Captain Powers?

19:  How are offenses most often detected?

20:  What does Powers recommend that concerned cruise ship passengers do to record dumping abuses by cruise lines?

21:  Would this kind of environmental impact affect your decision on whether to take a cruise? Why or why not? Assess your response in terms of critical thinking. Did your fi rst impressions contain any logical fallacies?

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