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dc.contributor.authorDelirhasannia, Reza-
dc.contributor.authorSadraddinia, A. A.-
dc.contributor.authorNazemia, A. H.-
dc.contributor.authorFarsadizadeha, D.-
dc.contributor.authorPlayán Jubillar, Enrique-
dc.date.accessioned2010-05-14T10:22:05Z-
dc.date.available2010-05-14T10:22:05Z-
dc.date.issued2010-04-
dc.identifier.citationDelirhasanniaa R, Sadraddinia AA, Nazemia AH, Farsadizadeha D, Playán Jubillar E. Dynamic model for water application using centre pivot irrigation. Biosystems Engineering 105 (4): 476-485 (2010)en_US
dc.identifier.issn1537-5110-
dc.identifier.urihttp://hdl.handle.net/10261/24326-
dc.description32 Pag., 7 Fig., 2 Tabl. The definitive version is available at: http://www.sciencedirect.com/science/journal/15375110en_US
dc.description.abstractThe application pattern for single, stationary spray sprinklers exposed to the wind was modelled to simulate water application in a centre pivot-irrigated field. In the model, a dynamic square grid of cells for water application and a static square grid of cells for water collection were defined. The dynamic grid contained the information on the water application pattern of an isolated spray sprinkler, and this followed the motion of the centre pivot lateral. The static grid represented the entire field, and received water from the dynamic grid at fixed time intervals. Model outputs included the applied water distribution pattern and measures of irrigation uniformity (radial, travelling path and global). A series of experiments using pivoted and single spray sprinklers were conducted simultaneously. The results from the model compared well with field observations. The resulting root mean square errors for the Heermann and Hein uniformity coefficient and the average applied water depth were 0.02% and 0.08 mm, respectively. Model simulations were carried out to illustrate the effect of wind on irrigation uniformity.en_US
dc.description.sponsorshipR. Delirhasannia received a scholarship from the Ministry of Science, Research and Technology of Iran to do research at the Aula Dei Experimental Station of CSIC, Zaragoza, Spain.en_US
dc.format.extent742781 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsopenAccessen_US
dc.subjectcentre pivoten_US
dc.subjectdynamic griden_US
dc.subjectmodelen_US
dc.subjectstatic griden_US
dc.subjectuniformity coefficienten_US
dc.subjectApplication depthen_US
dc.titleDynamic model for water application using centre pivot irrigationen_US
dc.typeartículoen_US
dc.identifier.doi10.1016/j.biosystemseng.2010.01.006-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.biosystemseng.2010.01.006en_US
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item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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