Future Study of Wheat Water Requirement with Time Series Models in East of Urmia Lake

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NASSERI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Journal of Irrigation and Drainage Year:2020 | Volume:14 | Issue:4 Page(s): 1211-1226

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Information Journal Paper

Title

Future Study of Wheat Water Requirement with Time Series Models in East of Urmia Lake

Author(s)

NASSERI A. | Issue Writer Certificate

Keywords

Cropping pattern

East Azarbaijan

Irrigation management

Penman-Monteith FAO

Water requirement

Abstract

Considering the current and prospect situation of Urmia Lake, the future study of variables of irrigation scheduling and management is one of the priorities of agricultural research to improve the Cropping pattern in the east of lake. In this study, the time series of wheat evapotranspiration in sixteen regions of East Azarbaijan located at the east of Urmia Lake was determined using the Penman-Monteith FAO method with the regional crop coefficient. The analysis period was 80 years from 1330-31 to 1396-97, which 50 years (from1330-31 to 1379-80) was applied for the time series modeling, 17 years ( from 1380-81 to 1396-97) for testing and 13 years (from 1397-98 to 1409-1410) for future studying up to 1410. Among the eighteen possible models, the appropriate time series model for wheat evapotranspiration in cold climate regions such as Azarshahr, Osko, Bonab, Tabriz, Jolfa, Maragheh, Malekan, Marand and Miyaneh was acquired as ARIMA (0, 1, 1) and for very cold climates such as Ahar, Bostanabad, Sarab, Shabestar, Kaleibar, Harris and Hashtrood was obtained as an exponential trend model. The wheat evapotranspiration in East Azerbaijan in the past 67 years averaged 478 mm and for the next 13 years averaged 500 mm. The findings of this study are valuable and practical for irrigation scheduling in full and deficit irrigated conditions and reduction of drought damage in east Urmia Lake.

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APA: Copy

NASSERI, A.. (2020). Future Study of Wheat Water Requirement with Time Series Models in East of Urmia Lake. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 14(4 ), 1211-1226. SID. https://sid.ir/paper/1056954/en

Vancouver: Copy

NASSERI A.. Future Study of Wheat Water Requirement with Time Series Models in East of Urmia Lake. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2020;14(4 ):1211-1226. Available from: https://sid.ir/paper/1056954/en

IEEE: Copy

A. NASSERI, “Future Study of Wheat Water Requirement with Time Series Models in East of Urmia Lake,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 14, no. 4 , pp. 1211–1226, 2020, [Online]. Available: https://sid.ir/paper/1056954/en

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