EOSC 114EOSC 114 Volcanoes Worksheet-University of British Columbia

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EOSC114 Homework, Volcanoes (See footnote for an important copyright notice1) Introduction: (Why reading assignments? See the introduction of assignment 1.) Today we first read a short article in th... e prestigious journal Nature Geoscience. Then data cited in the article will be briefly considered, and data comparing volcanoes from a different article will be examined without reading that other article. Goals: After completing this assignment, you should be better able to: 1) Describe the kinds of data & observations that help estimate recurrence intervals and ejecta volumes of past very large volcanic eruptions. 2) Justify the need for further research about very large volcanic eruptions by referring to difficulties of obtaining data & observations described in the previous goal. 3) Examine and interpret data in a citation, without worrying about details of the entire cited article. 4) Obtain various details about any volcano on Earth, from a database of Earth’s volcanoes. 5) Characterize this scientific reading in terms of its type, reliability of sources and the authors’ intent. 6) Characterize the claims made by authors in terms of arguments and various types of supporting evidence. Instructions 1) First skim all questions to find out what to expect 2) Find the article at http://www.nature.com.ezproxy.library.ubc.ca/ngeo/journal/v8/n4/full/ngeo2403.html. You will have to log into the library with your CWL. If this link does NOT work directly, go to the UBC library website and search for the title “Tying Down Eruption Risk” and select the “Full Text Online” link for this article: Tying down eruption risk, Self, S. and R. Gertisser, Nature Geoscience, 04/2015, Volume 8, Issue 4. 3) Complete the worksheet during or after reading the article. 4) AFTER completing the worksheet, go online to our course website to submit your work. a) Time available for online submission is limited. Do the reading & worksheet BEFORE going online. b) Online questions are automatically gradable versions of SOME of these worksheet questions. c) Each student will get a different sub-set of these questions. 5) Important notes a) Many questions in this homework exercise are different from earlier versions of eosc114 homework1. b) THE MOST COMMON ERROR is not reading ONLINE questions carefully. Their order may differ from the work-sheet, answer options are randomized, AND each student gets a different subset of questions. Please work online carefully, with your worksheet beside you. c) Working with colleagues on homework is OK, but copying the work of others is cheating and will not help you succeed. See the Code of Conduct on our course’s Canvas website and UBC’s strict rules regarding academic integrity at http://www.calendar.ubc.ca/vancouver/?tree=3,54,111,959.1 d) Note there may be one or more questions about this assignment in future tests, quizzes or exams. Step 1: Processes and predictions.  What is the location of Tambora, Sumbawa Island, Indonesia? Enter the nearest whole number values with no decimals for LATITUDE [____________] degrees, and LONGITUDE [__________] degrees (the sign of your values will indicate north/south and east/west). This major eruption occurred in the year [_________], and resulted in roughly [___________] direct fatalities. How many years was this prior to the article’s publication [_________]? Finally, the article said this was probably [“similar to” / “smaller than” / “greater than”] the actual number of fatalities (choose one). 1 This worksheet copyright © 2019, F. Jones, L. Porritt and UBC. All rights reserved. That means re-distributing these materials to anyone or the web is against copyright law and UBC takes intellectual property rights seriously. See https://copyright.ubc.ca/guidelines-and-resources/faq/. [Show More]

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