Design of Water Distribution System: Appropriateness of Structured System in Large Irrigation Projects in Nepal

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI:10.3126/HN.V19I0.15348

Basistha Raj Adhakari

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引用次数: 1

Abstract

Many large irrigation projects in Nepal operate under command area development works that emphasize on-farm water distribution and management. These projects have specific design characteristics that were planned to comply with available water resources, climatic conditions, soil type, and water distribution technology. The water distribution technologies differ based on the design needs of each individual project and the design preferences of various foreign consulting firms. This article focuses on the issues of planning and designing water distribution systems of large irrigation systems at the irrigation service delivery level. The layout planning of an irrigation system is an important aspect of design for water distribution, typically guided by hierarchical system. This article also highlights the existing canal hierarchy of these systems and their appropriateness for efficient water distribution. Furthermore, the appropriateness of the structured system is also examined in the Sunsari Morang Irrigation Project. The article concluded with some suggestions for planning and designing command area development works of forthcoming large irrigation projects such as the Sikta Irrigation Project, the Babai Irrigation Project, and the Mahakali Irrigation Project Stage-III. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 25-30

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配水系统设计:尼泊尔大型灌溉工程采用结构化系统的适宜性

尼泊尔的许多大型灌溉项目都是在指挥部发展工程下进行的，重点是在农场分配和管理水。这些项目具有特定的设计特征，计划符合可用水资源，气候条件，土壤类型和配水技术。根据每个单独项目的设计需求和各种外国咨询公司的设计偏好，配水技术有所不同。本文从灌溉服务供给层面对大型灌溉系统配水系统的规划设计问题进行了研究。灌溉系统的布局规划是水分配设计的一个重要方面，通常以分层系统为指导。本文还强调了这些系统的现有运河等级及其对有效水分配的适用性。此外，在Sunsari Morang灌溉项目中也检查了结构化系统的适当性。最后，对即将实施的西克塔灌溉工程、巴巴伊灌溉工程、马哈卡利灌溉三期工程等大型灌溉工程指挥区建设工程的规划设计提出了建议。水电尼泊尔杂志水、能源和环境杂志第19期第25-30页

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Hydro Nepal: Journal of Water, Energy and Environment

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