TRENDING CHANGES OF THE REFERENCE CROP WATER REQUIREMENT AND ITS ASSOCIATED METEOROLOGICAL VARIABLES IN EAST AZERBAIJAN

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JAHANBAKHSH S.; KHORSHIDDOUST A.M.; MIRHASHEMI H.; KHORAMI H.; TADAYONI M.

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Journal: Journal of Water and Soil Year:2014 | Volume:28 | Issue:2 Page(s): 296-306

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Title

TRENDING CHANGES OF THE REFERENCE CROP WATER REQUIREMENT AND ITS ASSOCIATED METEOROLOGICAL VARIABLES IN EAST AZERBAIJAN

Author(s)

Keywords

AZERBAIJAN EASTQ2

EVAPOTRANSPIRATIONQ2

MAN- KENDALLQ1

SEN’S ESTIMATORQ2

Abstract

In this study, in order to analyze the changes trend of the crop water requirement as the aspect of climate change in East Azerbaijan, we have adopted FAO Penman- Monteith reference crop EVAPOTRANSPIRATION and 15 variables associated with it. By using nonparametric methods of Spearman, MAN- KENDALL and SEN’S ESTIMATOR in twelve monthly and annual series for each station, the trends have been explored. The results of these two test statistics indicate that the significance of the respective phenomenon is being studied in two separate clusters.The first cluster consists of Tabriz and Maragheh stations the entire time series, the time series exceptions of April in Tabriz, the rest of the series with the significant increase in confidence levels are 95% and 99%. The second cluster consists of Ahar, Sarab, Mianeh and Julfa stations that mentioned phenomenon of jointly in the time series in March with a significant increase in the same levels of trust. Also the test results from other variables show that despite a series of meteorological variables, no significant trends were, but due to the influence of the reference crop EVAPOTRANSPIRATION and the significant impact it has on the superposition. Finally, we should acknowledge that the study of climate change in the region, is not just dependent on the climate variables and could be caused by other variables too.

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APA: Copy

JAHANBAKHSH, S., KHORSHIDDOUST, A.M., MIRHASHEMI, H., KHORAMI, H., & TADAYONI, M.. (2014). TRENDING CHANGES OF THE REFERENCE CROP WATER REQUIREMENT AND ITS ASSOCIATED METEOROLOGICAL VARIABLES IN EAST AZERBAIJAN. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 28(2), 296-306. SID. https://sid.ir/paper/141628/en

Vancouver: Copy

JAHANBAKHSH S., KHORSHIDDOUST A.M., MIRHASHEMI H., KHORAMI H., TADAYONI M.. TRENDING CHANGES OF THE REFERENCE CROP WATER REQUIREMENT AND ITS ASSOCIATED METEOROLOGICAL VARIABLES IN EAST AZERBAIJAN. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2014;28(2):296-306. Available from: https://sid.ir/paper/141628/en

IEEE: Copy

S. JAHANBAKHSH, A.M. KHORSHIDDOUST, H. MIRHASHEMI, H. KHORAMI, and M. TADAYONI, “TRENDING CHANGES OF THE REFERENCE CROP WATER REQUIREMENT AND ITS ASSOCIATED METEOROLOGICAL VARIABLES IN EAST AZERBAIJAN,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 28, no. 2, pp. 296–306, 2014, [Online]. Available: https://sid.ir/paper/141628/en

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