13 List the reasons given in the video for why stream velocity generally increases with distance downstream
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
Section: Chapter Questions
Problem 1LR
Related questions
Question
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc353cc0f-0c4d-4d5b-a3e6-e746dbb90f94%2F1b5f3b8b-b9d3-4864-b42a-8bf98b6e3819%2Fnz0xlsp_processed.png&w=3840&q=75)
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
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
According to the Bradshaw Model, the average speed or mean velocity of a river (measured in meter per second) will always increase with distance along its channel which is because a river tends to become deeper, wider and also have a higher discharge the further downstream it moves.
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