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TABLE 5
Water Losses: SSP Assumptions and Realistic Values
Source of Water Loss SSP Assumptions Observed and Literature Values
Lined Canal Seepage 2 cfs/msft 1 3 cfs/msft (WB2)
2.22-5.93 cfs/msft 3
Unlined Canal Seepage 5 cfs/msft 8 cfs/msft 4
5% / 100m canal (WB)
Field Application Loss 20% NIR 5 20-40% NIR (SSNNL 1989:368)
Operational Losses 5% Total Water Demand 20% NIR (WB)
1. Cubic feet/second/million square feet surface area.
2. World Bank report on Irrigation Development in India.
3. Observations on Mahi and Dantiwada Canal Systems (SSNNL 1989:357).
4. Observations on Bhakra system (SSNNL 1989:357).
5. Net Irrigation Requirement at the field.


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