Identify Tele-connection Patterns affecting on Rainfall in Karoon basin

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RAHIMI DARIUSH; Abdollahi Khodayar; Hasheminasab Sadat

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2016 | Volume:3 | Issue:1 Page(s): 95-105

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Title

Identify Tele-connection Patterns affecting on Rainfall in Karoon basin

Author(s)

RAHIMI DARIUSH | Abdollahi Khodayar | Hasheminasab Sadat | Issue Writer Certificate

Keywords

ENSOQ2

Karoon basinQ2

rainfall regimeQ2

scandinavia indexQ2

tele-connectionQ2

Abstract

The tele-connection patterns are the major constituents of climate at global and regional scale(s). The Karoon basin is of a vital stance in providing natural water supply and hydroelectric; this basin is facing major fluctuations in rainfall regime. Identifying the effect of tele-connection on great Karoon basin rainfall regime is the subject of this study. To accomplish this objective the seasonal-annual rainfall volumes recorded at stations related to this basin are assessed for the period of (1956-2012) through 12 tele-connection patterns. The method applied here is the data analysis through correlation statistical techniques and analysis of the main climatic components. In this basin, 49. 7% of precipitation is of the winter followed by autumn with 34. 9% and spring with 14. 9%. The findings of the analysis indicate that the precipitation in autumn is influenced mostly by NINO4, NINO1+2, NINO3. 4 and SOI patterns. The analysis of winter and spring precipitation reveals the influence of SCAN+ phase on both these seasons. The precipitations of the basin do have a harmonized change pattern with tele-connection pattern by addressing the delay time. It is deduced that these indicators can contribute to moist and dry cycle’ s occurrence when the planning regarding this basin is of concern.

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APA: Copy

RAHIMI, DARIUSH, Abdollahi, Khodayar, & Hasheminasab, Sadat. (2016). Identify Tele-connection Patterns affecting on Rainfall in Karoon basin. IRANIAN JOURNAL OF ECOHYDROLOGY, 3(1 ), 95-105. SID. https://sid.ir/paper/254062/en

Vancouver: Copy

RAHIMI DARIUSH, Abdollahi Khodayar, Hasheminasab Sadat. Identify Tele-connection Patterns affecting on Rainfall in Karoon basin. IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2016;3(1 ):95-105. Available from: https://sid.ir/paper/254062/en

IEEE: Copy

DARIUSH RAHIMI, Khodayar Abdollahi, and Sadat Hasheminasab, “Identify Tele-connection Patterns affecting on Rainfall in Karoon basin,” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 3, no. 1 , pp. 95–105, 2016, [Online]. Available: https://sid.ir/paper/254062/en

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