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- W3125482887 abstract "The perception is that floods are natural but may lead to catastrophic outcomes. However, flooding contributes to livelihoods through spate irrigation, especially in East Africa and parts of Asia. Spate irrigation is a traditional practice of farmers, especially in the Raya Valley for supplementing rain-fed agriculture. Lowland areas are not only surrounded by mountains that are sources of flood and fertile sediments but characterized by deep and fertile soil suitable for agriculture as a result of ages old alluvial deposition. However, the diversion of floods has been a challenge to both farmers and engineers. This chapter addresses the bright spots and challenges of spate irrigation practices, and presents experiences in Tigray, where the regional governments, with support from donors such as IFAD, are supporting spate irrigation farmers. The chapter also notes the poor performance of schemes related to design, which have been directly adopted from the conventional irrigation schemes based on perennial river diversion design procedures without due considerations for the peculiar nature of spate flows, such as higher sediment concentration, and the uncertainties in estimating timing and frequency of the floods. The chapter makes recommendations to fill gaps, including on capacity building and training of experts." @default.
- W3125482887 created "2021-02-01" @default.
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- W3125482887 date "2014-01-01" @default.
- W3125482887 modified "2023-09-26" @default.
- W3125482887 title "Spate irrigation in Tigray: the challenges and suggested ways to overcome them" @default.
- W3125482887 hasPublicationYear "2014" @default.
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