In an aquifer extending 150 hectare, the water table was 20 m below ground level. Over a period of time the water table dropped to 23 m below the ground level. If the porosity of the aquifer is 0.40 and the specific retention is 0.15, what is the change in groundwater storage of the aquifer?

In an aquifer extending 150 hectare, the water table was 20 m below ground level. Over a period of time the water table dropped to 23 m below the ground level. If the porosity of the aquifer is 0.40 and the specific retention is 0.15, what is the change in groundwater storage of the aquifer?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...

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Concept explainers

Groundwater Flow

The term groundwater refers to the water which is found beneath the earth's surface. Pores present in the soil and rocks with fractures make a passage for rainwater to enter the earth's surface and deposit as groundwater. The flow nature and direction of groundwater under the earth's surface directly impacts the strength and compressibility of the soil, which reflects its ability to support structural loads.

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In an aquifer extending 150 hectare, the water table was 20 m below ground level. Over a
period of time the water table dropped to 23 m below the ground level. If the porosity of the
aquifer is 0.40 and the specific retention is 0.15, what is the change in groundwater storage
of the aquifer?
Thi

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In an aquifer extending over 150 hectare, the water table was 20 m below ground level. Over a period of time the water table dropped to 23 m below the ground level. If the porosity of aquifer is 0.40 and the specific retention is 0.15, what is the change in ground water storage of the aquifier??
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