Water and Sediment Movement in Irrigation Furrows

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by Jobaid Kabir, Univ of Idaho, Dep of Civil, Engineering, Moscow, ID, USA,

Document Type: Proceeding Paper

Part of: Water for Resource Development:

Abstract: Water movement in an irrigation furrow is simulated by numerically solving the governing equations of continuity and momentum for unsteady, spacially varied flow in a pervious bed open channel by using an implicit finite difference scheme. Hydraulic parameters of the flow obtained from the numerical solution are used to determine the sediment discharge from the irrigation furrow. A critical furrow length for initiation of sediment deposition obtained from the field data is used for computing sediment deposition in the furrow stream bed.

Subject Headings: Sediment | Furrow irrigation | Open channels | Water discharge | Flow simulation | Numerical models | Bed materials |

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