Hydraulics and Hydrology of Border Irrigation

by Abdulaziz S. Turbak, Colorado State Univ, Dep of Civil, Engineering, Fort Collins, CO, USA,
Hubert J. Morel-Seytoux, Colorado State Univ, Dep of Civil, Engineering, Fort Collins, CO, USA,



Document Type: Proceeding Paper

Part of: Water for Resource Development

Abstract:

Proper description of the hydraulics of irrigation of farmland is necessary in management. Many descriptions of furrow or border irrigation are not adequate to describe truly physically the advance of water in furrows and in the underlying soil. As a result on-farm efficiency, irrigation efficiency and other quantities of interest such as the deep percolation fraction and the surface drainage fraction are not described in terms of the parameters susceptible to management. More physically-based approaches have been devised to determine these quantities. The methods are simple, physically based and perform well when compared with actual observations in the field.

Subject Headings: Surface drainage | Irrigation | Soil water | Hydrology | Hydraulics | Border irrigation | Surface irrigation

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