Evaluation of Basin-Furrow Irrigation Systems

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by Choudhury M. A. Khan, Colorado State Univ, Fort Collins, CO, USA,
Terence H. Podmore, Colorado State Univ, Fort Collins, CO, USA,
E. Gordon Kruse, Colorado State Univ, Fort Collins, CO, USA,

Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century:

Abstract: The division of the total flow into basin-furrows is analyzed using both energy and momentum principles. A zero-inertia model is applied to simulate the advance phase using different infiltration functions for wheel and non-wheel furrows. The furrows are considered interconnected by channels at the ends of the basin. A volume balance approach is used to predict recession. Three parameters: water application efficiency, storage efficiency, and deep percolation ratio, are used to evaluate the hydraulic performance of the basin-furrow system.

Subject Headings: Basins | Infiltration | Water storage | Hydraulics | Irrigation systems | Channel flow | Fluid flow | Permeability (soil) |

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