An unconfined aquifer has a hydraulic conductivity of 1.2×10² cm/s. There are two fully penetrating observation wells installed in this aquifer, which are separated by a distance of 98.5 m from each other. In the upstream observation well, the water level is 7.5 m above the aquifer bottom, and in the downstream observation well, it is 6.0 m above the aquifer bottom. (i) What is the groundwater discharge per 40 m-wide strip of the aquifer? Express your answer in cubic meters per day. (ii) What is the water-table elevation at a point midway between the two observation wells?

Structural Analysis
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Chapter2: Loads On Structures
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An unconfined aquifer has a hydraulic conductivity of 1.2×10-² cm/s. There
are two fully penetrating observation wells installed in this aquifer, which
are separated by a distance of 98.5 m from each other. In the upstream
observation well, the water level is 7.5 m above the aquifer bottom, and in
the downstream observation well, it is 6.0 m above the aquifer bottom.
(i) What is the groundwater discharge per 40 m-wide strip of the aquifer?
Express your answer in cubic meters per day.
(ii) What is the water-table elevation at a point midway between the two
observation wells?
Transcribed Image Text:An unconfined aquifer has a hydraulic conductivity of 1.2×10-² cm/s. There are two fully penetrating observation wells installed in this aquifer, which are separated by a distance of 98.5 m from each other. In the upstream observation well, the water level is 7.5 m above the aquifer bottom, and in the downstream observation well, it is 6.0 m above the aquifer bottom. (i) What is the groundwater discharge per 40 m-wide strip of the aquifer? Express your answer in cubic meters per day. (ii) What is the water-table elevation at a point midway between the two observation wells?
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