Shift changes and heterogeneity analysis of hydro-climatic variables (A case study: Aji Chai Watershed)

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KAZEMZADEH MAJID; MALEKIAN ARASH; MOGHADDAMNIA ALIREZA; KHALIGHI SIGAROUDI SHAHRAM

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2017 | Volume:4 | Issue:1 Page(s): 163-175

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Title

Shift changes and heterogeneity analysis of hydro-climatic variables (A case study: Aji Chai Watershed)

Author(s)

KAZEMZADEH MAJID | MALEKIAN ARASH | MOGHADDAMNIA ALIREZA | KHALIGHI SIGAROUDI SHAHRAM | Issue Writer Certificate

Keywords

Shift changesQ3

Hydro-climaticQ2

Aji ChaiQ2

precipitationQ2

Abstract

Shift changes and heterogeneity analyses of Hydro-climatic variables is very important in water resources planning and management. In order to Shift changes and heterogeneity analyses of Tmin and Tmax, precipitation and discharge, 2, 7 and 7 stations was used over the 40 years (1972-2011), respectively. The results of annual Tmin and Tmax series showed that both of two stations had the significant increasing trend in 1 significance level. The results of precipitation showed no specific spatio-temporal trend in four last decades and identifying the exact pattern of changes was difficult in compared with other variables. Among 7 hydrometric stations, 5 stations showed the significant increasing trend. However, discharge had the most decreasing trend among the studding variables. Shift changes analyses of Hydro-climatic variables by four heterogeneity tests, generally indicated the 50. 5 percent of Tmax series, 62. 5 percent of Tmin series, 26. 25 percent of precipitation series and 45 percent of discharge series had heterogeneity in 95% confidence level in the studding stations. Studding Shift changes in Tmin and Tmax series showed that all of the changes were positive/ or increasing. In compare with temperature series, Shift changes of precipitation as same as its trend have no specific trend. In general, temporally all of the changes occurred in 1990s.

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APA: Copy

KAZEMZADEH, MAJID, MALEKIAN, ARASH, MOGHADDAMNIA, ALIREZA, & KHALIGHI SIGAROUDI, SHAHRAM. (2017). Shift changes and heterogeneity analysis of hydro-climatic variables (A case study: Aji Chai Watershed). IRANIAN JOURNAL OF ECOHYDROLOGY, 4(1 ), 163-175. SID. https://sid.ir/paper/254265/en

Vancouver: Copy

KAZEMZADEH MAJID, MALEKIAN ARASH, MOGHADDAMNIA ALIREZA, KHALIGHI SIGAROUDI SHAHRAM. Shift changes and heterogeneity analysis of hydro-climatic variables (A case study: Aji Chai Watershed). IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2017;4(1 ):163-175. Available from: https://sid.ir/paper/254265/en

IEEE: Copy

MAJID KAZEMZADEH, ARASH MALEKIAN, ALIREZA MOGHADDAMNIA, and SHAHRAM KHALIGHI SIGAROUDI, “Shift changes and heterogeneity analysis of hydro-climatic variables (A case study: Aji Chai Watershed),” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 4, no. 1 , pp. 163–175, 2017, [Online]. Available: https://sid.ir/paper/254265/en

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