Study of Mann-Kendall Test Performance in Detecting the Series of Autocorrelation

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Bagherpoor M.; SEYEDIAN S.M.; FATHABADI A.H.; MOHAMADI A.

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Paper Information

Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2017 | Volume:11 | Issue:36 Page(s): 11-21

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Title

Study of Mann-Kendall Test Performance in Detecting the Series of Autocorrelation

Author(s)

Bagherpoor M. | SEYEDIAN S.M. | FATHABADI A.H. | MOHAMADI A. | Issue Writer Certificate

Keywords

Mann-KendallQ1

Trend analysisQ2

Statistical testsQ1

GorganroudQ1

Abstract

In the last few years trend identification is an important issue in hydrological time series analysis. It is also a difficult task due to the variety of models and the impact of climate change on river flow regime. In this study, the trend of annual and seasonal rainfall and river flow was studied in four stations, Nodehkhormaloo, Ramian, ghazaghly and Gholitapeh in the Gorganroud basin of Golestan province. According to available information trend was investigated at different time scales in these stations. In this study Statistical test MK, MK-PW, TFPW, MK-VC, MK-BB, SEAS and HERISH was used to assess the trend of seasonal and annual rainfall and river flow. The results showed that in half of stations discharge has a significant trend and in other stations some tests identified significant trend for discharge. In 75% of stations the rainfall trend was not significant and in 25% of the stations significant trends was revealed. In all stations ascending trend of rainfall and descendingtrend of discharge was identified. To further study relationship between climate and hydrological parameters, rainfall and river flow in Nodehkhandooz station was studied using MASH approach in different months. The results indicate that in some month’ s significant decreasing trend of river flow and significant increasing trend of rainfall was identified. With respect to these results, it can conclude that human activities such as changes in land use and land cover caused decreasing trend in discharge.

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APA: Copy

Bagherpoor, M., SEYEDIAN, S.M., FATHABADI, A.H., & MOHAMADI, A.. (2017). Study of Mann-Kendall Test Performance in Detecting the Series of Autocorrelation. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 11(36 ), 11-21. SID. https://sid.ir/paper/134722/en

Vancouver: Copy

Bagherpoor M., SEYEDIAN S.M., FATHABADI A.H., MOHAMADI A.. Study of Mann-Kendall Test Performance in Detecting the Series of Autocorrelation. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2017;11(36 ):11-21. Available from: https://sid.ir/paper/134722/en

IEEE: Copy

M. Bagherpoor, S.M. SEYEDIAN, A.H. FATHABADI, and A. MOHAMADI, “Study of Mann-Kendall Test Performance in Detecting the Series of Autocorrelation,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 11, no. 36 , pp. 11–21, 2017, [Online]. Available: https://sid.ir/paper/134722/en

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