Exam 3 with Answers - Resources Geology | GEOS 1024, Exams of Geology

Download Exam 3 with Answers - Resources Geology | GEOS 1024 and more Exams Geology in PDF only on Docsity! m & “eae na) 007 Cc basen Ges lO27Y Exam & FiOS YW Argues 6. 1. What percent of the world’s toial water is fresh? d) 04-1 q 2-3 50-60 (4) 75-80 (3) 97-98 2. Ofall freshwater on Earth, which of the following holds the most? (1) lakes (2) soil water G) groundwater @D) ice caps (S) rivers (6) oceans “py @ General estimates of surface water supplies on ws 4 Sy x. ‘Ny Q wy a ee earth require information on: (1) Precipitation and irrigation (2) groundwater flow and runoff 2° ¢vaporalion and precipitation 4) evaporation and runoff (5) irrigation and precipitation * 4. Look at the figure below. Which region has the highest amount of renewable water supply? (1) 1 2) 2. B)3 DYE) 5 6) In general, why does the castem U.S. have more surface water than the west? (1) more precipitation (2) less precipitation (3) more evaporation (4) less evaporation (5) 143 (6) 142 (7) 243 Exam 3 Form A 10. } According to class notes, around what percent of the total water on earth is actually available to humans? <1 (2) 1-10 (3) 10-25 (4) 25-50 (5) 50-100 What is the cause of the high precipitation ratcs in the southcast U.S.? (1) Air masses moving over Pacific (2) Air masses moving over Atlantic (3) Low pressure systems at Equator () High pressure systems at Equator 3}, Moist air [rom Gulf of Mexico (6) Moist air from the Gulf of California U.S. water use decreased from 1980-99, despite what? (1) Improvement in irrigation (2) Expansion of agriculture (3) Decrease in industrial use 4@) Increase in population growth (5) Decrease in population growth. (6) Luprovement in water quality More water is used globally for than it is in US. agriculture QY industry (3) domestic supply (A) power plant cooling (5) hydroelectricity generation The relative proportion of ground water to surface water usc in the U.S is: (1) 100%, 0% Q) 80%, 20% @G) 60%, 40% (4) 40%, 60% © 20%, 80% 1} 0%, 100% . What part of the U.S. has been experiencing a continuous drought over the last 5 or so years? (1) Southeast (FL, GA, AL, SC, NC) (2) Gulf Coast (LA, MS, AL, TX) (3) New England (NH, CT, MA, VT, ME) (4) Midwest (IL, WL ITA, MN) 5) Midatlantic (NJ, NY, PA, DE, MD, VA) ® Rockies (CO, UT, WY, 1D) 12. Where does Blacksburg get its municipal water supply? {1)) New River 2) James River @) Rappahonnock River (4) Smith Mountain Lake (5) Mountain Lake (6) Claytor Lake 13. How much of the total water use is from surface water in Virginia? (1) <10% (2) 10-20% QB) 25-50% (4) 50-75% OQ) >90% (6 100% 14. Which of the following is a natural lake? (1) Claytor Lake Smith Mountain Lake @ Mountain Lake 'y Lake Anna (5) Lake Fairfax (6) Occoquan Reservoir 15. The Great Lakes in the Midwest were formed though what process? (1) Meteorite impact Glaciers ) Volcanoes (4) Tectonic activity (5) Earthquakes 16. The Continental Divide separates the U.S. into what? ]) different geclogic environments @) different walcrsheds @) different tectonic plates (4) different political partics (5) different countries 17. If you wanted to improve the water quality of the Mississippi River, how much land area in the U.S, would you need to examine for sources of contaminants? @) 5% Q) 10% G) 25% Q 50% 8) 75% 6) 100% xan 3 Form A 18. Why isn’t all the groundwater on Earth usable? (1) Some in remote arcas (2) Some too deep G) Some too shallow (4) Most is contaminated SP +2 By +3 )2+4 19, What factors arc considered in deciding whether a sediment or rock is a good aquifer? (1) porosity (2) percent organic matter (3) location (4) permeability (3) 142 (6) 2+4 @ y44 20. Which of the following best describes what happens to the water table when an aquifer is pumped? (1) Itrises (2) It falls <@)it forms a cone of depression (4) It doesn’t change (5) It dries up 21. Why has pumping of aquifers increased in the past century? {I} increased population. (2) increased agricultural demands (3) expansion of irrigation into arid regions (4) 142 (5) 243 14243 (7Y none of the above 22. What is the cause of the excessive pumping in the High Plains aquifer? () Domestic supply Q) Irrigation }} paper industry (4) bottle water industry (5) automobile industry 23. What happened in the aquifer as a result? (1) Water table fallen a few fect (2) Water table fallen ~ 100 feet (3) Water table fallen ~ 1000 feet (4) Aquifer has dricd up (5) Aquifer has become so contaminated it’s no longer usable