AN ANALYSIS OF THE PRECIPITATION FLUCTUATION IN ARAS DRAINAGE BASIN

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SARI SARRAF B.; GHOLINEJAD N.; KAMANI A.

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2011 | Volume:4 | Issue:12 Page(s): 1-16

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Title

AN ANALYSIS OF THE PRECIPITATION FLUCTUATION IN ARAS DRAINAGE BASIN

Author(s)

SARI SARRAF B. | GHOLINEJAD N. | KAMANI A. | Issue Writer Certificate

Keywords

PRECIPITATIONQ2

DROUGHTQ2

ARAS BASINQ3

STATISTICAL ANALYSISQ2

NITZCHE METHODQ2

Abstract

The Deficiency of PRECIPITATION for Growth of Living Organisms is one of the Permanent Characteristics of Arid Climates. However, the Unexpected Reduction of PRECIPITATION or those Rainfalls Which are Less than Long-Term Range in an Area Which is not Completely Arid Creates Many Risks. This Phenomenon is Called DROUGHT. In this Study the Data on Annual PRECIPITATION for the Stations of Ardebil, Ahar, Pars Abad, Maku, Jolfa, Khoy, and Marand Were Used With the Purpose of Studying the PRECIPITATION Conditions of Aras Drainage Basin, Applying STATISTICAL ANALYSIS and the Calculation of Wet and Dry Years. The Indexes Used in this Study Include Dependable Rainfall Index (DRI), Nitzche Technique, and the Percentage of Normal PRECIPITATION Index (PNPI). Findings of the Adaptation of these Methods Led to the Determination of PRECIPITATION Conditions, and the Stipulation of Frequencies of Dry and Wet Year occurrence in the Stations Under Study. The Results of this Study Indicate that in All Stations the DROUGHT Phenomenon is Coincided With Intensities and Also Weaknesses and in Most Stations the PRECIPITATION is in Normal Situation. Among the Methods Applied, the DRI Method Having Lesser Limitations and More Capabilities is Better than the Other Methods for Determining Dry and Wet Years.

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APA: Copy

SARI SARRAF, B., GHOLINEJAD, N., & KAMANI, A.. (2011). AN ANALYSIS OF THE PRECIPITATION FLUCTUATION IN ARAS DRAINAGE BASIN. JOURNAL OF PHYSICAL GEOGRAPHY, 4(12), 1-16. SID. https://sid.ir/paper/184944/en

Vancouver: Copy

SARI SARRAF B., GHOLINEJAD N., KAMANI A.. AN ANALYSIS OF THE PRECIPITATION FLUCTUATION IN ARAS DRAINAGE BASIN. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2011;4(12):1-16. Available from: https://sid.ir/paper/184944/en

IEEE: Copy

B. SARI SARRAF, N. GHOLINEJAD, and A. KAMANI, “AN ANALYSIS OF THE PRECIPITATION FLUCTUATION IN ARAS DRAINAGE BASIN,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 4, no. 12, pp. 1–16, 2011, [Online]. Available: https://sid.ir/paper/184944/en

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