Midterm2004

Midterm2004 - ESM 203: Earth System Science Jeff Dozier Tom...

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ESM 203: Earth System Science Midterm 2004 Jeff Dozier Assigned November 4, due 9:30a.m. November 9 Tom Dunne (e-mail to Damon) Damon Turney The Midterm Examination counts 25% of your course grade. Answer all four questions. The exam is open-book. Please type your answers, although you may handwrite equa- tions and diagrams if you wish. So that we can separate the exams for grading, please use one side of the paper only, start the answer to each of the four questions on a new page, and make sure you name is on every page ( View->Header and Footer in Microsoft Word). You do not have to repeat the question in your answer; just use the number and letter designations. You may use your notes, assigned readings, or other material. You may not use each other, so please do not discuss the exam with anyone else. You should refrain from even discussing the course at all, with anyone, between this afternoon and Tuesday morning. Some of the questions are straightforward, and ask you essentially to re-explain what we covered in class. Others questions are more mature, and require you to apply what you have learned to something we did not explicitly teach you. Read the questions carefully and write succinct, focused answers. Some of the questions may tempt you to diverge into questions of ideology. Avoid this by concentrating on the technical or management issue being raised. Try to be complete but concise. Do not bury your answer, which might be correct, too deeply. If you have questions about the interpretation of the material, you may email Jeff and Tom. If we think you have thereby identified something about the exam that is unclear, we will post the answer to the rest of the class.
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(1) Earth’s Temperature in a Nuclear Winter (or after an Asteroid Impact) Our old friend, the Harte Energy-Balance Model of Earth-Surface Temperature (from Homework 1), can be used to investigate the effect of a catastrophe that puts large amounts of dust and soot into the stratosphere and upper troposphere. Two possibilities come to mind: all-out nuclear war involving combatants with large ar- senals and the means to deliver them, or an asteroid hitting Earth, which is a gener- ally accepted explanation for the sudden extinction of many species about 65 million
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This note was uploaded on 08/06/2008 for the course ESM 203 taught by Professor Dozier,dunne during the Fall '07 term at UCSB.

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Midterm2004 - ESM 203: Earth System Science Jeff Dozier Tom...

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