14. Floods and Streams

14. Floods and Streams - discharges onto a relatively flat...

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FLOODS AND STREAMS 1) What does the term “stream” mean to a geologist? 2) Know how the mouth, head, and base level of a stream are spatially related to the stream’s longitudinal profile. 3) Know what will happen if a portion of the land a stream runs through should rise above, or fall below the longitudinal profile. 4) Besides vertical movement of the land, why else might a stream have to adjust to a new longitudinal profile? 5) Know the difference between a young, middle aged, and old aged stream. 6) Be able to identify the following on a diagram: flood plain, cut bank, point bar, oxbow lake, meander scar, yazoo stream/tributary, terrace, and levee. 7) Know the definitions of a watershed (drainage basin) and a drainage divide. 8) Know the difference between stream capacity and stream competence. Know what happens to a stream if its sediment load is greater than its capacity. 9) What is the name of the sediment feature created by a mountain stream that
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Unformatted text preview: discharges onto a relatively flat plain? 10) What is the name of the sediment feature created by a stream discharging into a larger body of water? 11) Know the definition of, and how to calculate, stream discharge. 12) Know what a hydrograph is. Know what is plotted on the x-axis and what is plotted on the y-axis. 13) Know the definition of stream stage, and what a graph relating stage to discharge is called. 14) Know what is meant by flood probability and flood recurrence interval. Understand the statistical nature of these two things. 15) Know how a change in any of the other parameters of the hydrologic cycle can affect flooding (by increasing or decreasing stream runoff). 17) What was the name of the lake that emptied to create the channeled scablands and when did it empty?...
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This lab report was uploaded on 04/18/2008 for the course EBGN 101 taught by Professor Any during the Fall '07 term at Mines.

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14. Floods and Streams - discharges onto a relatively flat...

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