Analysis and Future Study of 60-Year Temporal Variations of Water Use Efficiency of Irrigated Wheat in Tabriz Plain

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NASSERI A.; ABBASI F.

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Journal: Iranian Journal of Irrigation and Drainage Year:2019 | Volume:13 | Issue:4 Page(s): 894-908

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Title

Analysis and Future Study of 60-Year Temporal Variations of Water Use Efficiency of Irrigated Wheat in Tabriz Plain

Author(s)

NASSERI A. | ABBASI F. | Issue Writer Certificate

Keywords

Predicting water use efficiencyQ1

Productivity improvementQ3

Water productivityQ1

Water consumption managementQ2

WheatQ1

Abstract

Considering the importance of enhancing water use efficiency in the production of crops in the Iran; and due to the appropriateness of time series methods in the analysis and future studies of the behavior of water engineering phenomena, the aim of this study was to analyze and future study of water use efficiency in Wheat production in Tabriz plain with suitable time series models. The modeling (based on 30 years data), test (based on 12 years data) and future study (based on 18 years data) were made with 60 years (from 1975 to 2034) water use efficiency in Wheat production. Fourteen time series models were evaluated to determine the suitable model. Based on common statistics, ARIMA (1, 0, 1) was detected as the most suitable model for water use efficiency in Wheat production in Tabriz plain. Results revealed that water use efficiency in Wheat production had approximately an increasingly trend. This index was from 0. 11 to 0. 68 kg m-3 with an average of 0. 32 kg m-3. Scenarios and various promotion conditions were also considered to improve the water use efficiency in Wheat production. If the water use efficiency in Wheat production is increased by as much as 10, 15, 20 and 25 percent, then the index in the year 2034 will be respectively equal to 0. 95, 0. 98, 1. 01, and 1. 05 kg m-3. With the continuation of the current trend and without applying the any improvement plan, the value of this index will be 0. 89 1. 05 kg m-3 in 2034. Applicable procedure and solutions were proposed to significantly enhance water use efficiency in Wheat production in the east of Urmia Lake.

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APA: Copy

NASSERI, A., & ABBASI, F.. (2019). Analysis and Future Study of 60-Year Temporal Variations of Water Use Efficiency of Irrigated Wheat in Tabriz Plain. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 13(4 ), 894-908. SID. https://sid.ir/paper/131717/en

Vancouver: Copy

NASSERI A., ABBASI F.. Analysis and Future Study of 60-Year Temporal Variations of Water Use Efficiency of Irrigated Wheat in Tabriz Plain. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2019;13(4 ):894-908. Available from: https://sid.ir/paper/131717/en

IEEE: Copy

A. NASSERI, and F. ABBASI, “Analysis and Future Study of 60-Year Temporal Variations of Water Use Efficiency of Irrigated Wheat in Tabriz Plain,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 13, no. 4 , pp. 894–908, 2019, [Online]. Available: https://sid.ir/paper/131717/en

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