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1. In well A, you measure a water table elevation of 82 m above sea level. In well B, which is 120 m away from well A, you measure a water table elevation of 76 m above sea level. What is the average magnitude of the hydraulic gradient between well A and well B to the

1. In well A, you measure a water table elevation of 82 m above sea level. In well B, which is 120 m away from well A, you measure a water table elevation of 76 m above sea level. What is the average magnitude of the hydraulic gradient between well A and well B to the

Applications and Investigations in Earth Science (9th Edition)
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
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1. In well A, you measure a water table elevation of 82 m above sea level. In well B, which is 120 m away from well A, you measure a water table elevation of 76 m above sea level. What is the average magnitude of the hydraulic gradient between well A and well B to the nearest hundredth?
Transcribed Image Text:1. In well A, you measure a water table elevation of 82 m above sea level. In well B, which is 120 m away from well A, you measure a water table elevation of 76 m above sea level. What is the average magnitude of the hydraulic gradient between well A and well B to the nearest hundredth?
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Step 1

Answer)

It is given that,

H1 = 82 m

H2 = 76

Hydraulic head loss = H1 - H2 

Hydraulic head loss = 82-76 = 6 m

Length between Well A and Well B is given as, L = 120 m

Average magnitude of the hydraulic gradient between Well A and Well B is given by the formula,

Hydraulic gradient, i = (hydraulic head loss)/(length between section)

Hydraulic gradient, i =6/120 = 0.05

 

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