Optimizing operational strategies of scavenger wells in lower Indus Basin of Pakistan

Ghulam Ali, Muhammad Asghar, Muhammad Latif, Zakir Hussain

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In the lower Indus Basin of Pakistan, where rainfall is low and water use is high, more than 350 scavenger wells were installed under the left bank outfall drain stage-1 (LBOD-1) with a capital cost of US$ 12.75 million to provide drainage and to recover fresh groundwater mainly for irrigation purposes. This paper highlights the environmental issues in the pumping and disposal of saline groundwater for sustainability of scavenger wells. In this paper, the hydraulic performance of two scavenger wells (PSW1A and PSW2) representing different hydro-geological conditions in the lower Indus Basin was evaluated using two numerical models (MODFLOW and MT3D), and changes in the operational strategies of such wells for the concerned hydro-geological conditions have been recommended.
Original languageEnglish
Pages (from-to)239-249
Number of pages11
JournalAgricultural Water Management
Volume66
Issue number3
DOIs
Publication statusPublished - 2004

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scavenger
Pakistan
basins
well
basin
groundwater
environmental issue
drain
water use
pumping
drainage
fluid mechanics
sustainability
irrigation
hydraulics
rain
rainfall
cost
water

Cite this

Ali, Ghulam ; Asghar, Muhammad ; Latif, Muhammad ; Hussain, Zakir. / Optimizing operational strategies of scavenger wells in lower Indus Basin of Pakistan. In: Agricultural Water Management. 2004 ; Vol. 66, No. 3. pp. 239-249.
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Optimizing operational strategies of scavenger wells in lower Indus Basin of Pakistan. / Ali, Ghulam; Asghar, Muhammad; Latif, Muhammad; Hussain, Zakir.

In: Agricultural Water Management, Vol. 66, No. 3, 2004, p. 239-249.

Research output: Contribution to journalArticle

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AU - Ali, Ghulam

AU - Asghar, Muhammad

AU - Latif, Muhammad

AU - Hussain, Zakir

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AB - In the lower Indus Basin of Pakistan, where rainfall is low and water use is high, more than 350 scavenger wells were installed under the left bank outfall drain stage-1 (LBOD-1) with a capital cost of US$ 12.75 million to provide drainage and to recover fresh groundwater mainly for irrigation purposes. This paper highlights the environmental issues in the pumping and disposal of saline groundwater for sustainability of scavenger wells. In this paper, the hydraulic performance of two scavenger wells (PSW1A and PSW2) representing different hydro-geological conditions in the lower Indus Basin was evaluated using two numerical models (MODFLOW and MT3D), and changes in the operational strategies of such wells for the concerned hydro-geological conditions have been recommended.

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