A New Approach To Sediment Transport In The Design And Operation Of Irrigation Canals
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A New Approach To Sediment Transport In The Design And Operation Of Irrigation Canals
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Author : Herman Depeweg
language : en
Publisher: CRC Press
Release Date : 2007-04-05
A New Approach To Sediment Transport In The Design And Operation Of Irrigation Canals written by Herman Depeweg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-04-05 with Science categories.
The transport of sediment greatly influences the sustainability of an irrigation system. Erosion and deposition not only increase maintenance costs, but may result in an inequitable and inadequate distribution of irrigation water. Understanding the behaviour and transport of sediment allows efficient planning and reliable water delivery schedules,
Sediment Transport In Irrigation Canals
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Author : Herman Depeweg
language : en
Publisher: CRC Press
Release Date : 2014-10-06
Sediment Transport In Irrigation Canals written by Herman Depeweg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-06 with Science categories.
Sediment transport in irrigation canals influences to a great extent the sustainability of an irrigation system. Unwanted erosion or deposition will not only increase maintenance costs, but may also lead to unfair, unreliable and unequitable distribution of irrigation water to the end users. Proper knowledge of the characteristics, including behaviour and transport of sediment will help to design irrigation systems, plan effi cient and reliable water delivery schedules, to have a controlled deposition of sediments, to estimate and arrange maintenance activities, etc. The main aim of these lecture notes is to present a detailed analysis and physical and mathematical descriptions of sediment transport in irrigation canals and to describe the mathematical model SETRIC that predicts the sediment transport, deposition and entrainment rate as function of time and place for various flow conditions and sediment inputs. The model is typically suited for the simulation of sediment transport under the particular conditions of non-wide irrigation canals where the flow and sediment transport are strongly determined by the operation of the flow control structures. The lecture notes will contribute to an improved understanding of the behaviour of sediments in irrigation canals. They will also help to decide on the appropriate design of the system, the water delivery plans, to evaluate design alternatives and to achieve an adequate and reliable water supply to the farmers.
Reservoir Sediment Management
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Author : Sahnaz Tigrek
language : en
Publisher: CRC Press
Release Date : 2011-09-15
Reservoir Sediment Management written by Sahnaz Tigrek and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-15 with Science categories.
Siltation in reservoirs has become an important problem when dams are getting older and stop functioning when the sediment has accumulated to a certain extent. With proper sediment management techniques, negative effects of sediment can be avoided and reservoir life and performance can be improved. This volume deals with reservoir sedimentation, deposition and removal. It provides the principles of sediment transport and gives guidelines to predict reservoir life. It presents several removal techniques, accompanied with detailed operation descriptions. With the help of the RESCON open source software, cost analysis tools to determine the optimum method for maintenance and operation of a reservoir can be applied. To illustrate practice and to assist the reader in setting up a sediment management operation, a number of case studies of existing large dams are included. Written by two experts on reservoir operation, this volume is intended for professionals and advanced students working on dam and reservoir design, construction, operation, maintenance and rehabilitation.
The Use Of Delft3d To Simulate The Deposition Of Cohesive And Non Cohesive Sediments In Irrigation Systems
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Author : Shaimaa Abd Al-Amear Theol
language : en
Publisher: CRC Press
Release Date : 2020-03-13
The Use Of Delft3d To Simulate The Deposition Of Cohesive And Non Cohesive Sediments In Irrigation Systems written by Shaimaa Abd Al-Amear Theol and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-13 with Science categories.
Sediment deposition threatens the performance of many irrigation systems. Because of the high impact on irrigation performance and crop production, many studies have been done on how to deal with sediment deposition. In this research, the Delft3D model, originally developed for hydro-morphologic modeling of rivers and estuaries, was adapted for the use in irrigation systems simulations and applied to different case studies. This research addresses two shortcomings of previous studies of sediments in irrigation systems. Firstly, while previous studies primarily used 1D models, this research uses a 2D/3D model. The use of 2D/3D models in irrigation systems is significant because the non-uniform flow around structures such as offtakes, weirs and gates, leads to asymmetric sedimentation patterns that are missed by 1D simulations. Secondly, whereas previous studies mostly considered non-cohesive sediments, this research simulates cohesive, non-cohesive and a mix of both sediment types. This is important for irrigation systems that draw water from natural rivers that carry a mix of cohesive and non-cohesive sediments. The findings of this research are important for irrigation system maintenance and gate operation. It is also essential for the development of canal operating plans that meet crop water requirements and at the same time minimizes sediment deposition by alternating gates.
Sediment Transport In Irrigation Canals
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Author : Herman Depeweg
language : en
Publisher: CRC Press
Release Date : 2014-10-01
Sediment Transport In Irrigation Canals written by Herman Depeweg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-01 with Science categories.
Sediment transport in irrigation canals influences to a great extent the sustainability of an irrigation system. Unwanted erosion or deposition will not only increase maintenance costs, but may also lead to unfair, unreliable and unequitable distribution of irrigation water to the end users. Proper knowledge of the characteristics, including behaviour and transport of sediment will help to design irrigation systems, plan effi cient and reliable water delivery schedules, to have a controlled deposition of sediments, to estimate and arrange maintenance activities, etc. The main aim of these lecture notes is to present a detailed analysis and physical and mathematical descriptions of sediment transport in irrigation canals and to describe the mathematical model SETRIC that predicts the sediment transport, deposition and entrainment rate as function of time and place for various flow conditions and sediment inputs. The model is typically suited for the simulation of sediment transport under the particular conditions of non-wide irrigation canals where the flow and sediment transport are strongly determined by the operation of the flow control structures. The lecture notes will contribute to an improved understanding of the behaviour of sediments in irrigation canals. They will also help to decide on the appropriate design of the system, the water delivery plans, to evaluate design alternatives and to achieve an adequate and reliable water supply to the farmers.
Role Of Sediment Transport In Operation And Maintenance Of Supply And Demand Based Irrigation Canals Application To Machai Maira Branch Canals
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Author : Sarfraz Munir
language : en
Publisher: CRC Press
Release Date : 2011-01-27
Role Of Sediment Transport In Operation And Maintenance Of Supply And Demand Based Irrigation Canals Application To Machai Maira Branch Canals written by Sarfraz Munir and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-27 with Technology & Engineering categories.
This work describes the role of sediment transport in the operation and maintenance of demand-based downstream controlled irrigation canals. Sediment deposition in these irrigation canals severely affects the operation of the automatic flow control system. The book also discusses sediment transport modelling in irrigation canals. A simplified 1-D mathematical model SETRIC (SEdiment TRansport in Irrigation Canals) has been improved with the inclusion of downstream control component for the downstream controlled irrigation canals. Based on field measurements and sediment transport modelling, a number of approaches have been proposed for sediment management in such irrigation canals by improvement in their design and operation. This book will be of interest to Irrigation Engineers and Managers, Hydraulic Engineers, Water Resources Engineers and Managers, Civil Engineers, and Agricultural Engineers.
Water Resources In Arid Lands Management And Sustainability
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Author : Ali Al-Maktoumi
language : en
Publisher: Springer Nature
Release Date : 2021-07-26
Water Resources In Arid Lands Management And Sustainability written by Ali Al-Maktoumi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-26 with Science categories.
This book presents the most recent innovative studies in the field of water resources for arid areas to move towards more sustainable management of the resources. It gathers outstanding contributions presented at the 2nd International Water Conference on Water Resources in Arid Areas (IWC), which was held online (Muscat, Oman) in November 2020. Papers discuss challenges and solutions to alleviate water resource scarcity in arid areas, including water resources management, the introduction of modern irrigation systems, natural groundwater recharge, construction of dams for artificial recharge, use of treated wastewater, and desalination technologies. As such, the book provides a platform for the exchange of recent advances in water resources research, which are essential to improving the critical water situation and to move towards more sustainable management of water resources.
Monitoring And Evaluation Of Irrigation And Drainage Facilities For Pilot Distributaries In Sindh Province Pakistan Volume 1 Objectives Stakeholders Approach And Methodology Interim Report
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Author :
language : en
Publisher: IWMI
Release Date :
Monitoring And Evaluation Of Irrigation And Drainage Facilities For Pilot Distributaries In Sindh Province Pakistan Volume 1 Objectives Stakeholders Approach And Methodology Interim Report written by and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Physical Characteristics And Operational Performance Of Mirpurkhas Sub Division Jamrao Canal Division Nara Circle Sindh Province Pakistan
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Author :
language : en
Publisher: IWMI
Release Date :
Physical Characteristics And Operational Performance Of Mirpurkhas Sub Division Jamrao Canal Division Nara Circle Sindh Province Pakistan written by and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Development And Use Of Rectangular Channels With A Single Current Meter Measurement For Recording Farm Water Deliveries
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Author :
language : en
Publisher: IWMI
Release Date :
Development And Use Of Rectangular Channels With A Single Current Meter Measurement For Recording Farm Water Deliveries written by and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.