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Axia College Material Appendix N Week Eight Lab Report: Groundwater Answer the lab questions for this week and summarize the lab experience using...

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Axia College Material Appendix N Week Eight Lab Report: Groundwater Answer the lab questions for this week and summarize the lab experience using this form. Full Name Hector Cuebas Date 04/25/2010 Carefully read pages 213-227 of Geoscience Laboratory . Complete this week’s lab by filling in your responses to the questions from the Geoscience Laboratory . Select answers are provided for you in red font to assist you with your lab work. Although you are only required to respond to the questions in this worksheet, you are encouraged to answer others from the text on your own. Lab Questions 12.2. A. How many cubic kilometers of water reside within groundwater? B. How many more times abundant is groundwater than water on land? 12.7. If, for the model in Figure 12.11, h1 were 506 ft, h2 were 497 ft, and l were 150 ft, what would be the hydraulic gradient (in percent) between well #1 and well #2? Answer: 6 % 12.11. If contaminants were to find their way into groundwater at Acme Industries, in which well would those contaminants be more likely to appear—the well at the Smith farmhouse, or the well at the Jones farmhouse? 12.18. A. Which of the six wells in Figure 12.25 on page 231 should be flowing artesian wells? 12.19. In Figures 12.19A and B, two depressions are occupied by water, whereas others are dry. A. Explain this presence and absence of ponds in these two figures.
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B. If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or absence of water in the other depressions differ from that which is shown? 12.20. Judging from what you learned from information in Figure 12.19A on facing page 222, how might one seal a leaking stock pond? Hint: We’re talking three steps here, with steps #1 and #2 being the draining and restoring pond water. 12.21. Examine Figure 12.22. At a glance several ponds might be mistaken for stock ponds. However, there is evidence indicating that the large pond at coordinates P-5 is surely a sinkhole. What is that evidence? Hint: The evidence appears in the relationship between the pond and a man-made feature. 12.24. What is the elevation of the surface of: A. Chipco Lake? Answer: 80-90 ft. B. Mariner Lake? C. Junior Lake? 12.25. Do water levels in these three lakes (as well as others) appear to be governed by the vagaries of spotty rainfall and random surface drainage, or do they appear to mark systematic elevations on a water table? Hint: Notice the elevations of the bottoms of dry sinkholes relative to the water levels in ponds. Lab Summary Address the following questions in a 100- to 200-word summary: Summarize the general principles and purpose of the lab. Explain how this lab helped you better understand the topics and concepts addressed this week. Describe what you found challenging about this lab. Describe what you found interesting about this lab. Write your summary here:
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