STUDY PERIODS OF DROUGHT AND ITS EFFECT ON DOWNSTREAM WATER RESOURCES KARKHEH

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SHAKIBA ALIREZA; AZIMI FARIDEH; BUZAR FATIMA

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Journal: GEOGRAPHY Year:2009 | Volume:3 | Issue:10 Page(s): 119-139

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Information Journal Paper

Title

STUDY PERIODS OF DROUGHT AND ITS EFFECT ON DOWNSTREAM WATER RESOURCES KARKHEH

Author(s)

SHAKIBA ALIREZA | AZIMI FARIDEH | BUZAR FATIMA | Issue Writer Certificate

Keywords

DROUGHTQ2

KARKHEHQ2

WATER RESOURCESQ2

INDEXQ3

SPIQ3

PNQ3

DRIQ2

STATISTICAL METHODSQ2

GISQ2

Abstract

DROUGHT of environmental events and climatic fluctuations are an integral part. This phenomenon of lack of rainfall conditions and temperature rise, which in any climatic condition may occur. Study attempts to evaluate the efficacy of some common climatic parameters in stations downstream basin is KARKHEH. The INDEX currently active systems are used worldwide and include: Standardized Precipitation INDEX 1 SPI, percent of normal precipitation and 2 PN 3 DRI reliable indicators that a period of statistical 30 year period (1386-1357) meteorological station in the basin downstream KARKHEH have been compared. And spatial variation of DROUGHT in the study area in GIS environment was conducted and it was determined through the process. Finally, clarify, and probe periods of low water levels resulting in runoff These courses were investigated. The results indicate that SPI lowest count, and in the worst DROUGHT in Abadan station (1368-1367) located in the south basin and station in Ahvaz (1378-1377) in South-East Basin is. Continuing DROUGHT and the most downstream station basin KARKHEH to year 1369, 1377 and 1384 is the year almost all stations downstream basin KARKHEH have suffered from DROUGHT. DROUGHT conditions since 1377 after more stations in a mild DROUGHT consecutive repeats. Among the methods used, the SPI INDEX, with high ability and capability and disadvantages and limitations better than the other methods was detected.

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APA: Copy

SHAKIBA, ALIREZA, AZIMI, FARIDEH, & BUZAR, FATIMA. (2009). STUDY PERIODS OF DROUGHT AND ITS EFFECT ON DOWNSTREAM WATER RESOURCES KARKHEH. GEOGRAPHY, 3(10), 119-139. SID. https://sid.ir/paper/207987/en

Vancouver: Copy

SHAKIBA ALIREZA, AZIMI FARIDEH, BUZAR FATIMA. STUDY PERIODS OF DROUGHT AND ITS EFFECT ON DOWNSTREAM WATER RESOURCES KARKHEH. GEOGRAPHY[Internet]. 2009;3(10):119-139. Available from: https://sid.ir/paper/207987/en

IEEE: Copy

ALIREZA SHAKIBA, FARIDEH AZIMI, and FATIMA BUZAR, “STUDY PERIODS OF DROUGHT AND ITS EFFECT ON DOWNSTREAM WATER RESOURCES KARKHEH,” GEOGRAPHY, vol. 3, no. 10, pp. 119–139, 2009, [Online]. Available: https://sid.ir/paper/207987/en

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