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Table 1 Predicted trend of well pump head variation for continuous 25 years of pumping (Ebaid et al. 2013)

From: Comparative economic viability and environmental impact of PV, diesel and grid systems for large underground water pumping application (55 wells) in Jordan

Well number

Current actual SWL (m)

In 5 years (m)

In 10 years (m)

In 15 years (m)

In 20 years (m)

In 25 years (m)

W25

101.6

252.0

260.5

266.4

269.8

272.3

W39

128.5

263.4

271.5

277.1

280.3

282.7

W34

147.4

245.0

252.4

257.6

260.5

262.7

W47

161.4

238.2

242.2

245.0

246.6

247.7