Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.agwat.2015.10.004 |
Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas | |
Sheikhesmaeili, Omid1; Montero, Jesus2; Laserna, Santiago2 | |
通讯作者 | Montero, Jesus |
来源期刊 | AGRICULTURAL WATER MANAGEMENT |
ISSN | 0378-3774 |
EISSN | 1873-2283 |
出版年 | 2016 |
卷号 | 163页码:275-284 |
英文摘要 | Sustainability of irrigated agriculture depends heavily on getting a high efficiency application for the irrigation. It is very important to understand the factors that affect to irrigation uniformity and discharge efficiency, especially using semi-portable big size sprinkler. There are not studies conducted with big size sprinklers which work on high flow rates and big layouts spacing. In this paper, the spray losses (L-s) and water distribution of sprinkler irrigation system with semi-portable big size sprinkler on semi-arid areas have been characterized. The factors affecting on discharge efficiency and irrigation uniformity were analysed (working pressure, irrigation layout and weather conditions). The field tests were conducted in outdoor conditions with a single sprinkler system. Six predictive equations were obtained to estimate drift and evaporation losses. The proposed equations use operating pressure, wind speed and vapour pressure deficit. The results show an increment of 3.26% for Ls for each increment of 1 ms(-1) of wind speed. Spray losses rise up to 22.7% at 450 kPa operating pressure when wind speed and vapour pressure deficit increased up to 4.2 m s(-1) and 6 kPa, respectively. A significantly effect of wind is appreciated on the spray losses and water distribution pattern under different conditions with regard for working pressure and sprinkler spacing. This behaviour is very similar to obtained with medium size sprinklers. Technical criteria can be used to optimize irrigation management according to the design factors and the climatic parameters. (C) 2015 Elsevier B.V. All rights reserved. |
英文关键词 | Big size sprinkler Drift Efficiency irrigation Evaporation Uniformity |
类型 | Article |
语种 | 英语 |
国家 | Iran ; Spain |
收录类别 | SCI-E |
WOS记录号 | WOS:000365376400027 |
WOS关键词 | DRIFT LOSSES ; WIND DRIFT ; EVAPORATION LOSS ; KINETIC-ENERGY ; UNIFORMITY ; DISTRIBUTIONS ; SIMULATION ; PATTERNS ; NOZZLES ; YIELD |
WOS类目 | Agronomy ; Water Resources |
WOS研究方向 | Agriculture ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/191093 |
作者单位 | 1.Shahid Chamran Univ Ahvaz, Fac Water Sci Engn, Ahwaz, Iran; 2.Univ Castilla La Mancha, Ctr Reg Estudios Agua, Albacete 02071, Spain |
推荐引用方式 GB/T 7714 | Sheikhesmaeili, Omid,Montero, Jesus,Laserna, Santiago. Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas[J],2016,163:275-284. |
APA | Sheikhesmaeili, Omid,Montero, Jesus,&Laserna, Santiago.(2016).Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas.AGRICULTURAL WATER MANAGEMENT,163,275-284. |
MLA | Sheikhesmaeili, Omid,et al."Analysis of water application with semi-portable big size sprinkler irrigation systems in semi-arid areas".AGRICULTURAL WATER MANAGEMENT 163(2016):275-284. |
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