earthquakes chpt 14 study guide

earthquakes chpt 14 study guide - Chapter 14 Floods 1...

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Chapter 14 Floods 1. Between 1960 and 2004, floods in the United States resulted in an average of _______ deaths per year. A. 1.2 B. 12 C. 122 D. 1,222 E. 12,222 2. Between 1960 and 2004, floods in the United States produced an average of _______ in damage per year. A. $371,000 B. $3.71 million C. $37.1 million D. $371 million E. $3.71 billion 3. Base level ____________________. A. is the level below which a stream cannot erode B. for all streams is sea level C. is the average annual flow level for a stream D. is the minimum amount of flow possible for a stream E. None of these are correct. 4. Factor(s) that interact to make streams seek equilibrium include __________________. A. the volume of water discharged by the stream B. the amount of sediment waiting to be moved C. the slope of the stream bottom D. the sinuosity of the stream path E. All of these are correct. 5. United States Geological Survey stream-gauging stations measure all but which of the following? A. water depths B. channel width C. water velocity D. amount of sediment being carried by the stream E. All of these are correct. 6. If a stream experiences more energetic water flow, the stream _____________________. A. responds by increasing the sinuosity of its channel pattern through meandering B. responds by decreasing the sinuosity of its channel pattern C. will not change its sinuosity, but will erode sediment D. will not change its sinuosity, but will deposit sediment E. will not change its floe path
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7. If a stream is choked with sediment and has insufficient water to carry it away _________________. A. the water will pick its way through as a braided stream B. a peninsula is formed C. a canyon is formed D. a flood will occur E. Any of these may happen. 8. If a stream has a meandering section, that section is most likely to be __________________. A. in its upstream section near its source or sources B. in its downstream section, near its mouth C. in its upstream section near its source or sources or in its downstream section, near its mouth D. braided 9. On a given stream, small floods happen _______________________. A. with the same frequency as large floods B. more often than large floods C. less often than large floods, which explains why we hear about large floods more often in the news D. sometimes more often, sometimes less often than large floods, depending on long-term climate 10. Statistically, the 100-year flood has a ______ percent chance of occurring any year. A. 1 B. 10 C. 50 D. 63 E. 0 11. What is the probability that a 100-year flood will occur at least once in 100 years? A. 1 percent B. 10 percent C. 50 percent D. 63 percent E. 0 percent 12. Killer floods are caused by ____________________. A. local thunderstorms
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This note was uploaded on 05/12/2008 for the course GEOL 171 taught by Professor Tsoflias during the Spring '08 term at Kansas.

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earthquakes chpt 14 study guide - Chapter 14 Floods 1...

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