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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chukalla, Abebe Demissie Haile, Abraham Mehari Schultz, Bart |
| Copyright Year | 2012 |
| Abstract | Under rainfed agriculture without supplementary supply, crop failure due to erratic rainfall has become a common phenomenon in many regions of Ethiopia. Spate irrigation development with storage provision at the 5,000 ha Boru Dodota Spate Irrigation Scheme is one of the initiatives to move away from exclusively rain-dependent agriculture. This initiative has faced several challenges. Lack of design experience and failure to fully grasp the unpredictable nature of the spate flow caused the Boru Dodota Spate Irrigation Scheme to be implemented without considering the necessity of storage ponds. In addition, absence of a systematic approach to assist planners has resulted in non-optimal design of ponds’ capacity and operation. The study, on which this article is based, aimed at optimum storage operation to irrigate the maximum possible area with the existing ponds’ capacity and available water resource. During the study, the surface storage and irrigation scheme planning model was developed and used to analyze several pond operation scenarios in Boru Dodota Spate Irrigation Scheme. The main findings were as follows: (1) Supplementing the rainfall with the operation of the existing 19 ponds that enable weekly irrigation frequency results in irrigating at least 6,600 ha. (2) An increase in the number of ponds does not always guarantee an increase in the size of irrigated land because the water resources, the operation, and management are defining factors. (3) It is not economical to only rely on spate flow for irrigation as even with 200 ponds, a maximum of 1,250 ha could be irrigated. |
| Starting Page | 1091 |
| Ending Page | 1102 |
| Page Count | 12 |
| File Format | |
| ISSN | 03427188 |
| Journal | Irrigation Science |
| Volume Number | 31 |
| Issue Number | 5 |
| e-ISSN | 14321319 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2012-09-28 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Agriculture Water Industry/Water Technologies Environment Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Sustainable Development Climate Change |
| Content Type | Text |
| Resource Type | Article |
| Subject | Agronomy and Crop Science Soil Science Water Science and Technology |
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