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Title

Simulation of a collective solid-set sprinkler irrigation controller for optimum water productivity

AuthorsZapata Ruiz, Nery ; Playán Jubillar, Enrique ; Playán Jubillar, Enrique ; Skhiri, Ahmed ; Burguete Tolosa, Javier ; Burguete Tolosa, Javier
KeywordsSprinkler irrigation
Irrigation scheduling
Automation
Irrigation districts
Simulation
Issue DateFeb-2009
PublisherAmerican Society of Civil Engineers
CitationZapata N, Playán E, Skhiri A, Burguete J. Simulation of a collective solid-set sprinkler irrigation controller for optimum water productivity. Journal of Irrigation and Drainage Engineering 135 (1): 13-24 (2009)
AbstractThe modernization of irrigation districts in Spain is based on the construction of collective pressurized networks equipped with remote control systems. In this paper, a simulation approach is used to explore the benefits of introducing a collective solid-set irrigation control software. The controller works in combination with a district management database, real-time evapotranspiration and meteorology information, and a remote control system. Controller decisions are based on the simulation of sprinkler irrigation performance and on crop-water balance. The decision to irrigate a plot can be guided by the use of two simulation parameters: the estimated application efficiency of the irrigation event (heavily affected by wind speed) and a crop-water stress index. Simulation experiments were performed in a district located at the Ebro basin of Spain. The collective controller resulted in water conservation (with respect to the current situation) of 2,234 and 4,664 m3ha-1 for corn and alfalfa, respectively, and in an increase in water productivity of up to 91%. Although additional research is needed to produce a reliable collective controller, these preliminary results are encouraging.
Description42 Pags.- 3 Tabls.- 9 Figs. The definitive version is available at: http://ascelibrary.org/journal/jidedh
Publisher version (URL)http://dx.doi.org/10.1061/(ASCE)0733-9437(2009)135:1(13)
URIhttp://hdl.handle.net/10261/96630
DOI10.1061/(ASCE)0733-9437(2009)135:1(13)
Identifiersdoi: 10.1061/(ASCE)0733-9437(2009)135:1(13)
issn: 0733-9437
Appears in Collections:(EEAD) Artículos
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