Formula for calculation of river gradient: Calculate the stream gradient between points A and B along the river. The Contour Interval is 20ft. The AB distance is 10 miles.

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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Formula for calculation of river gradient:
Calculate the stream gradient between points A and B along the river.
The Contour Interval is 20ft.
The AB distance is 10 miles.
ha
780ft
760ft
10mi
740ft
hB B
C.I. 20ft
Calculation:
Gradient between points A and B = (hA-hB)/D =
700
008
008.
008
Transcribed Image Text:Formula for calculation of river gradient: Calculate the stream gradient between points A and B along the river. The Contour Interval is 20ft. The AB distance is 10 miles. ha 780ft 760ft 10mi 740ft hB B C.I. 20ft Calculation: Gradient between points A and B = (hA-hB)/D = 700 008 008. 008
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