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ic. What was the pressure in kg/fi the water in the aquifer before entering the well? d. If the piezometric pressure in the aquifer is reduced 4.6 m (15 ft) for every 1.6 km (1 mi) of horizontal distance, what is the hydraulic gradient for the aquifer? e. If the hydraulic conductivity of the sandstone is 4.7 m/day (15.3 ft/day), what is the average velocity of flow through the sandstone?

ic. What was the pressure in kg/fi the water in the aquifer before entering the well? d. If the piezometric pressure in the aquifer is reduced 4.6 m (15 ft) for every 1.6 km (1 mi) of horizontal distance, what is the hydraulic gradient for the aquifer? e. If the hydraulic conductivity of the sandstone is 4.7 m/day (15.3 ft/day), what is the average velocity of flow through the sandstone?

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
Problem 1LR
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3c, d, e
. The depth to the wa The silt has a capillary fringe 1.5 m (5 ft) Based on this information, show the subdivisions of this cross section relative to the subdivisions of sub- surface water. Draw an appropriate hydrostatic pres- sure diagram for the cross section in keeping with Figure 13.2. 3. a. If an artesian aquifer is intercepted by a well drilled 36.6 m (120 ft) deep and the water rises in a stand- pipe to a height of 3 m (10 ft) above the ground surface, how many meters (feet) of artesian pres- -brusure exist for this well? b. What type of well is it? gric. What was the pressure in kg/m² (psf and psi) for alove the water in the aquifer before entering the well? d. If the piezometric pressure in the aquifer is reduced 4.6 m (15 ft) for every 1.6 km (1 mi) of horizontal distance, what is the hydraulic gradient for the aquifer? e. If the hydraulic conductivity of the sandstone is 4.7 m/day (15.3 ft/day), what is the average velocity of flow through the sandstone?
Transcribed Image Text:. The depth to the wa The silt has a capillary fringe 1.5 m (5 ft) Based on this information, show the subdivisions of this cross section relative to the subdivisions of sub- surface water. Draw an appropriate hydrostatic pres- sure diagram for the cross section in keeping with Figure 13.2. 3. a. If an artesian aquifer is intercepted by a well drilled 36.6 m (120 ft) deep and the water rises in a stand- pipe to a height of 3 m (10 ft) above the ground surface, how many meters (feet) of artesian pres- -brusure exist for this well? b. What type of well is it? gric. What was the pressure in kg/m² (psf and psi) for alove the water in the aquifer before entering the well? d. If the piezometric pressure in the aquifer is reduced 4.6 m (15 ft) for every 1.6 km (1 mi) of horizontal distance, what is the hydraulic gradient for the aquifer? e. If the hydraulic conductivity of the sandstone is 4.7 m/day (15.3 ft/day), what is the average velocity of flow through the sandstone?
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