Izadi, M., Kouchakzadeh, M., Samani, M., shahabifar, M. (2006). Investigating the Effect of Surge Parameters on the Uniformity and Surge Irrigation Efficiency. , 19(2), 267-274. doi: 10.22092/ijsr.2006.127462
M. Izadi; M. Kouchakzadeh; M. V. Samani; M. shahabifar. "Investigating the Effect of Surge Parameters on the Uniformity and Surge Irrigation Efficiency". , 19, 2, 2006, 267-274. doi: 10.22092/ijsr.2006.127462
Izadi, M., Kouchakzadeh, M., Samani, M., shahabifar, M. (2006). 'Investigating the Effect of Surge Parameters on the Uniformity and Surge Irrigation Efficiency', , 19(2), pp. 267-274. doi: 10.22092/ijsr.2006.127462
Izadi, M., Kouchakzadeh, M., Samani, M., shahabifar, M. Investigating the Effect of Surge Parameters on the Uniformity and Surge Irrigation Efficiency. , 2006; 19(2): 267-274. doi: 10.22092/ijsr.2006.127462

Investigating the Effect of Surge Parameters on the Uniformity and Surge Irrigation Efficiency

پژوهش های خاک
Volume 19, Issue 2, November 2005, Pages 267-274    PDF (288.28 K)
Document Type: Research Paper
DOI: 10.22092/ijsr.2006.127462
Authors
M. Izadi1; M. Kouchakzadeh2; M. V. Samani3; M. shahabifar* 4
1M.S. student in Irrigation Tarbiat Modarres University
2Assoc, Professor, Irrigation Department, Tarbiat Modarres University
3Asst. Professor in Water Structures, Tarbiat Modarres University
4Assoc. Professor, Irrigation Research and Soil Physics at the Soil and Water Research Institute, respectively
Abstract
One of the relatively new surface irrigation methods is the surge method in which water flows discontinuously. Compared to classic methods, water moves at higher velocities and, as a result, the difference in the time of infiltration between the beginning and the end of the furrow will be minimized, with more infiltration uniformity along the furrow. One of the surface irrigation simulation models is SIRMOD. This model is able to simulate the surge irrigation according to the flow cross section characteristics, the parameters involved in Kostiakof's infiltration equation and other parameters of the surge. In an attempt to use the model, the effect of the variation of different surge parameters using silty loam soil, has been investigated and finally the optimum combination that gives the best efficiency and superior uniformity was identified. The simulation was conducted using four flow rates smaller than and one greater than the erosive flow rate cycle ratios between 0.25 to 0.75 and by fixing the cycle period and other input parameters. The results show that in silty loam soils, the maximum uniformity has been seen in cycle ratios of 2:3 and 3:4  and flow rate of 2 l/s  and the maximum efficiency took place in 0.5 l/s  with cycle ratio of 3:4.
Keywords
Surge irrigation; Surge parameters; SIRMOD
References
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