Disaster costs keep rising and are likely going to hit the state and local level more intensely in coming years, as FEMA changes it’s funding scheme. Funding for disaster preparedness is a lot lower and has a lot less public support than funding for disaster relief. Is that true for you (that it’s easier to justify funding relief)? Studies show that for every $1 spend on preparedness, is worth roughly $15 in reduced damage. How might we go about changing perception on this issue?Therefore, if you print it out in black and white please refer back to the electronic copy to avoid confusion. This Lab Assignment is to be mailed to your Instructor at the contact address recorded in the Syllabus. Make sure that you use additional postage if needed. There is no online assessment for the Topographic Maps Lab. Complete the entire assignment and mail to your instructor postmarked by the assignment deadline. You should make an extra copy to practice on and mail in a clean and neat version for grading. Make sure to include your name on every page and staple all of the pages together. Please take advantage of all of the resources available to you. Be sure to read the corresponding lecture which contains directions to work out the solutions to the problems below. You should also review the instructional videos located in the unit content area within the course for additional assistance. Finally, check the Topographic Map Unit Discussion forum and the tutor talk area for additional resources and hints. 3.8.1 Topographic Maps Lab NOTE: For all of the following figures, assume North is up. 1. (10 pts) The following topographic map (Map 3.1) is from a coastal area and features an interesting geological hazard in addition to the Ocean. Using a contour interval of 40 meters, label the elevation of every contour line on the map below. (Note: elevation is meters above sea level, which makes sea level = m). shoreline Map 3.1 Author: Brad Deline Source: Original Work License: CC BY-SA 3.0 Page 54 3:51 Lull LTE web.ung.edu 59/358 INTRODUCTORY GEOLOGY TOPOGRAPHIC MAPS 2. (10 pts) Imagine you are a geologist for the United States Geological Survey. You are tasked with creating your own coastal Topographic map, so you hike around the area with a GPS receiver (Global Positioning System) and every so often you record your position along with the elevation in meters at that point, which results in the following map (Map 3.2). Complete Map 3.2 by adding in the contour lines using a contour interval of 100 meters. Draw the contour lines so that they are continuous (do not die off), and either continue off the map or form an enclosed circle (look at the topographic map in the problem 1 for an example). More often than not, your contour lines will fall between the GPS points on your map, so do your best to determine the contour line positions. 492 290 180 570 386 70 250 12 132 441 334 630 506 412 290 95 160 498 306 107 614 400 210 400 560 442 530 510 389 711 328 665 476 386 Map 3.2 Author: Brad Deline Source: Original Work License: CC BY-SA 3.0 For questions 3-7 refer to the Map 3.3. The following topographic map shows an interesting and informative geological feature called a drumlin, which is a pile of sediment left behind by a retreating glacier. 800 feet OB 900 feet Map 3.3 Author: Brad Deline Source: Original Work License: CC BY-SA 3.0 1000 feet Page 55 INTRODUCTORY GEOLOV TOPOGRAPHIC MAPS 3:51 nullLTE web.ung.edu 60/358 Y GEOLOGY TOPOGRAPHIC MAPS 3. (2 pts) What is the contour interval on Map 3.3? 4. (2 pts) What is the regional relief on Map 3.3? 5. (5 pts) Using the contour lines on Map 3.3, which area along the red line is steeper A to B or B to C? Explain how you came to this conclusion. 6. (5 pts) What is the gradient from A to B and B to Con Map 3-32 Show your work
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