13 List the reasons given in the video for why stream velocity generally increases with distance downstream

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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13 List the reasons given in the video for why stream velocity generally increases with
distance downstream
14 First, give the definition of a hydrograph. (Note that while this video shows a period of
months on the x-axis, hydrographs can be generated for any time period.) The graph
below shows a hydrograph for a single storm event at Snapfinger Creek near Decatur,
Georgia. The x-axis represents minutes since the start of the storm event. The y-axis
represents discharge in units of cubic feet per second (although not metric, this is a unit
for streamflow commonly used by the US Geological Survey). Using the diagram, locate
peak discharge on this hydrograph and estimate the approximate magnitude (amount) of
this discharge, as well as the approximate minute since the start of the storm event that
this peak discharge occurred. (4 pts)
USGS 02203950 (December 28, 2012)
Discharge (CFS)
250
200
150
100
50
0
0 500 1000
1500
2000 2500 3000 3500 4000
Time (minutes)
4500
Transcribed Image Text:13 List the reasons given in the video for why stream velocity generally increases with distance downstream 14 First, give the definition of a hydrograph. (Note that while this video shows a period of months on the x-axis, hydrographs can be generated for any time period.) The graph below shows a hydrograph for a single storm event at Snapfinger Creek near Decatur, Georgia. The x-axis represents minutes since the start of the storm event. The y-axis represents discharge in units of cubic feet per second (although not metric, this is a unit for streamflow commonly used by the US Geological Survey). Using the diagram, locate peak discharge on this hydrograph and estimate the approximate magnitude (amount) of this discharge, as well as the approximate minute since the start of the storm event that this peak discharge occurred. (4 pts) USGS 02203950 (December 28, 2012) Discharge (CFS) 250 200 150 100 50 0 0 500 1000 1500 2000 2500 3000 3500 4000 Time (minutes) 4500
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