There is a well in a 100 m deep area that is only used for water extraction during times of emergency. The land where the well is located is at an elevation of 5 m above sea level. The average water table level measured in the area is 3 meters below the ground surface level. The depth (in meters below mean sea level) of the interface at that location during normal conditions is at 85m based on the Ghijben-Herzberg Principle. a. Assuming a specific aquifer capacity of 10 m3/h/m, analyze the effect on the water table of activating this well at an extraction rate of 10 m3/h. b. Finally, analyze the potential for salt intrusion contamination of the well based on the Ghijben-Herzberg Principle.
There is a well in a 100 m deep area that is only used for water extraction during times of emergency. The land where the well is located is at an elevation of 5 m above sea level. The average water table level measured in the area is 3 meters below the ground surface level. The depth (in meters below mean sea level) of the interface at that location during normal conditions is at 85m based on the Ghijben-Herzberg Principle. a. Assuming a specific aquifer capacity of 10 m3/h/m, analyze the effect on the water table of activating this well at an extraction rate of 10 m3/h. b. Finally, analyze the potential for salt intrusion contamination of the well based on the Ghijben-Herzberg Principle.
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
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There is a well in a 100 m deep area that is only used for water extraction during times of emergency. The land where the well is located is at an elevation of 5 m above sea level. The average water table level measured in the area is 3 meters below the ground surface level. The depth (in meters below mean sea level) of the interface at that location during normal conditions is at 85m based on the Ghijben-Herzberg Principle.
a. Assuming a specific aquifer capacity of 10 m3/h/m, analyze the effect on the water table of activating this well at an extraction rate of 10 m3/h.
b. Finally, analyze the potential for salt intrusion contamination of the well based on the Ghijben-Herzberg Principle.
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