scholarly journals Strategies to cope with risks of uncertain water supply in spate irrigation systems

2020 ◽  
Author(s):  
Eiman Mohamed Fadul Bashir
Keyword(s):  
Water Supply ◽  
Irrigation Systems ◽  
Spate Irrigation

Sustainable Irrigation: Karez System in Afghanistan

2020 ◽  
Vol 6 (2) ◽  
pp. 1-18
Author(s):  
Abdullah Azami ◽  
◽  
Jay Sagin ◽  
Sayed Hashmat Sadat ◽  
Hejratullah Hejran ◽  
...  
Keyword(s):  
Supply Chain ◽  
Water Supply ◽  
Land Surface ◽  
Irrigation System ◽  
Irrigation Scheme ◽  
Irrigation Systems ◽  
Irrigation Methods ◽  
Sustainable Water Supply ◽  
Water Based ◽  
Sustainable Irrigation

In Afghanistan, water is mostly used for agricultural purposes. The water supply chain requires updating to ensure its sustainability. Different irrigation methods – such as surface water based irrigation (via canals), groundwater based irrigation, and the Karez irrigation system – are applied across the country. Considering the compatibility of the Karez system with the environment, it can be deemed the most effective irrigation scheme, as it allows collecting a significant amount of groundwater and conveying it to land surface via sub-horizontal tunnels using gravity. This article analyzes Afghanistan’s Karez irrigation systems currently feeding water to over 170,000 ha of farmland with a potential to expand and become a component of sustainable water supply chain.

ОЦЕНКА ТЕХНИЧЕСКОГО СОСТОЯНИЯ ОРОСИТЕЛЬНЫХ СИСТЕМ НА СОВРЕМЕННОМ УРОВНЕ И СИТУАЦИОННЫЙ ПРОГНОЗ ИЗМЕНЕНИЯ ПОКАЗАТЕЛЕЙ ВОДОПОЛЬЗОВАНИЯ В ДОЛГОСРОЧНОЙ ПЕРСПЕКТИВЕ (2021 - 2030 гг.)

2020 ◽  
pp. 6
Author(s):  
S.D. Isaeva ◽  
A.L. Buber
Keyword(s):  
Mathematical Modeling ◽  
Water Supply ◽  
Water Use ◽  
Systems Analysis ◽  
Irrigation Efficiency ◽  
Water Withdrawal ◽  
Total Water ◽  
Irrigation Systems ◽  
Irrigation Methods ◽  
Irrigated Area

В статье проведен анализ состояния оросительных, в том числе рисовых, систем Краснодарского края за 20 лет. Рассмотрены основные способы полива, динамика орошаемой площади, суммарной водоподачи, оросительные нормы, объем коллекторно-дренажного стока и др. Выявлено сокращение поливаемых земель в Краснодарском крае, снижение суммарного водозабора и оросительных норм. Выполнен аналитический прогноз рассмотренных показателей на перспективу до 2030 г. и предложены меры по развитию и повышению эффективности орошения в Краснодарском крае, прежде всего за счет строгого планирования водопользования на основе цифровых технологий и математического моделирования.Сondition of irrigation systems analysis was carried out in the Krasnodar Territory. Irrigation methods, dynamics of irrigated area, total water supply, irrigation norms are considered. Reduction of irrigated land, total water withdrawal and irrigation norms has been established in the Krasnodar Territory. An analytical forecast of the considered indicators for the future until 2030 has been completed. Measures to develop and improve irrigation efficiency are proposed. Above all, this is rigorous water use planning based on digital technology and mathematical modeling.

Risk Propagation in Spate Irrigation Systems: A Case Study from Sudan

2018 ◽  
Vol 67 (3) ◽  
pp. 363-373 ◽  
Author(s):  
E. Fadul ◽  
C. De Fraiture ◽  
I. Masih
Keyword(s):  
Irrigation Systems ◽  
Spate Irrigation

DEALING WITH SEDIMENTATION ISSUES IN SPATE IRRIGATION SYSTEMS

2011 ◽  
Vol 61 (2) ◽  
pp. 220-230 ◽  
Author(s):  
T. G. Embaye ◽  
L. Beevers ◽  
A. Mehari Haile
Keyword(s):  
Irrigation Systems ◽  
Spate Irrigation

Ecological and Economic Efficiency of Diagnostics of Technical Condition of Water Supply Facilities of Irrigation Systems

2018 ◽  
Vol 22 (7) ◽  
pp. 66-71 ◽  
Author(s):  
M.A. Bandurin ◽  
I.F. Yurchenko ◽  
V.A. Volosukhin ◽  
V.V. Vanzha ◽  
Ya.V. Volosukhin
Keyword(s):  
Service Life ◽  
Water Supply ◽  
Technical Condition ◽  
Irrigation Systems ◽  
Automated Control ◽  
Remaining Service Life ◽  
Latent Defects ◽  
Instrument Control ◽  
Automated Instrument ◽  
Diagnostic Detection

The analysis of the current approaches to the assessment of the technical condition of water supply facilities of irrigation systems has been carried out and the need has been established for improving the monitoring technology for reclamative water utilization system on the basis of the development of innovative automated instrument control methods that use the integral evaluation of the remaining service life of structures and the prediction of the service life of the facility. Created software-hardware complex automated diagnostic detection of latent defects providing designs and constructions underlying subgrade acoustic GPR and methods of nondestructive testing, determination of the location and geometric parameters of each structure element malfunctions. As part of the diagnostics, an assessment is carried out: the degree of abrasion, leaching, filtration of concrete elements of structures; indicators of frost resistance and water resistance, the volume of existing damage and the efficiency of the structure. The problem with the evaluation of the effectiveness of the creation and application of automated control systems for technological processes, caused by the lack of standards in the field of melioration regulating such calculations, is identified.

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