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Delivering Appropriate Quantities of Water to the Farm

by Joel D. Palmer, U.S. Water Conservation Lab, United States,



Document Type: Proceeding Paper

Part of: Irrigation and Drainage

Abstract:

To study how well an irrigation district was able to meet farmer demand, water deliveries along two monitored lateral canals were compared to the orders and bills for these events. The study district serves 55,000 ac of farmland through a network of concrete-lined canals. Monitored flow rates were measured with double-bubbler/ pressure-transducer devices installed upstream of long-throated flumes. Ditch-riders are supposed to measure flow with propellor meters which they transport from site to site. In practice many read the gauges for long-throated flumes which have been installed in most farm canals. One monitored lateral was at the upstream end of the district, the other at the downstream end; the two were operated by different ditchriders. Study results are discussed.

Subject Headings: Water supply systems | Flow measurement | Canals | Agriculture | Water demand | Rivers and streams | Irrigation

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