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Sequential Irrigation Scheduling Avoiding Night Irrigation
Publisher: American Society of Civil Engineers
Abstract: The sequential irrigation scheduling problem is one where a set of irrigation jobs have to be scheduled sequentially. In this paper, an integer program is presented to solve this problem. The objective function is a dual-goal ...
Hydraulically Efficient Power-Law Channels
Publisher: American Society of Civil Engineers
Abstract: A power-law channel is a generalized form of a channel and includes parabolic and triangular cross sections. For an exponent
Irrigation Scheduling. II: Heuristics Approach
Publisher: American Society of Civil Engineers
Abstract: A sequential irrigation schedule that honors user demands of duration and minimizes earliness and tardiness is interpreted as a single-machine schedule with earliness and tardiness costs and a common deadline (or fixed ...
Irrigation Scheduling. I: Integer Programming Approach
Publisher: American Society of Civil Engineers
Abstract: This paper shows how a sequential irrigation schedule for a tertiary unit can be interpreted as a single machine scheduling problem with earliness, tardiness, and a common deadline. An integer program solution is presented ...
Closure to “Hydraulically Efficient Power-Law Channels” by Arif A. Anwar and Tonny T. de Vries
Publisher: American Society of Civil Engineers
Irrigation Scheduling with Travel Times
Publisher: American Society of Civil Engineers
Abstract: In preparing water allocation schedules for fields in a lateral unit, the time required for water to travel from one point on a lateral to another can be significant and is dependent on the sequence in which users abstract ...
Irrigation Scheduling Using Complex Machine Scheduling
Publisher: American Society of Civil Engineers
Abstract: Irrigation schedules are used in many irrigation schemes that operate on a rotational or arranged-demand basis. Determining these schedules is a complex problem, especially when done by hand. Operations research tools such ...
Canal Operations Planner. III: Minimizing Inequity with Delivery Performance Ratio Relaxation
Publisher: American Society of Civil Engineers
Abstract: For many large irrigation systems, distributing water equitably is a stated management objective. Canal operations plans specify which canal to operate at what discharge for each irrigation interval to achieve the stated ...
Canal Operations Planner. I: Maximizing Delivery Performance Ratio
Publisher: American Society of Civil Engineers
Canal Operations Planner. II: Minimizing Inequity
Publisher: American Society of Civil Engineers
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