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[10 pts] The figure shows a groundwater well in an unconfined aquifer (left) an...
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[10 pts] The figure shows a groundwater well in an unconfined aquifer (left) and a stream (right). The surface near the well is located 2.00 m above the bottom of the stream. During a visit to the well, you measured the depth to water and obtained a value of 1.75 m. After you have conducted a streamflow measurement and recorded the data as shown in the table. Analyze the stream and groundwater data collected in the field and answer the questions.
Station | Location (m) | Width (m) | Depth (m) | Area (m2) | Velocity (m/s) | Discharge (m3/s) |
1 | 0.00 |
| 0.00 |
| 0.00 |
|
2 | 0.50 |
| 0.40 |
| 0.40 |
|
3 | 1.00 |
| 0.50 |
| 0.55 |
|
4 | 1.50 |
| 0.00 |
| 0.00 |
|
a. Calculate the water level in the groundwater well and determine the direction of flow between the groundwater well and the stream. Is the aquifer recharging or discharging?
b. Calculate the total stream discharge in m3/s. Note that flow (Q) = velocity (v) x area (A).