Numerical comparison of RAI and PNPI meteorological indices to assess and quantify the drought situation in Khuzestan province

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JAHANGIR MOHAMMAD HOSSEIN; Norozi Eghbal

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Journal: IRANIAN JOURNAL OF ECOHYDROLOGY Year:2017 | Volume:4 | Issue:3 Page(s): 923-930

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Title

Numerical comparison of RAI and PNPI meteorological indices to assess and quantify the drought situation in Khuzestan province

Author(s)

JAHANGIR MOHAMMAD HOSSEIN | Norozi Eghbal | Issue Writer Certificate

Keywords

DroughtQ3

PNPI indicatorQ2

RAI indicatorQ2

Khuzestan ProvinceQ2

ZoningQ2

Abstract

Over the past few decades, the frequency and number of Drought occurrence has been more than other natural disasters influencing human societies. Drought is a kind of natural disaster formed and extended smoothly and in a crawling way in comparison with other natural hazards like heavy precipitations and floodwaters. There are different and numerous indicators for quantitative expression of Drought. Percentage Indicators of normal precipitation (PNPI) and precipitation abnormality (RAI) status and continuation of Drought in 8 stations of Abadan, Ahvaz, Bandar-e Mahshahr, Bostan, Masjed Soleyman, Omidieh, Ramhormoz and Safi Abad in Khuzestan Province during the statistical period (1990-2014) have been considered in this research. As the obtained results show, based on PNPI indicator, the most severe Drought happened during period 1990-2014 in Bandar-e Mahshahr station with the amount of 20. 39 in 2010. Also, the most severe wet period happened in Ahvaz station with the amount of 216. 33 in 1997, based on PNPI indicator. Also, based on RAI indicator, the most severe Drought happened in Bandar-e Mahshahr with the amount of 6. 26 in 2010 during the period 1990-2014. Based on RAI indicator, the most severe wet period occurred in Ahvaz station with the amount of 8. 6 in 1997.

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APA: Copy

JAHANGIR, MOHAMMAD HOSSEIN, & Norozi, Eghbal. (2017). Numerical comparison of RAI and PNPI meteorological indices to assess and quantify the drought situation in Khuzestan province. IRANIAN JOURNAL OF ECOHYDROLOGY, 4(3 ), 923-930. SID. https://sid.ir/paper/254193/en

Vancouver: Copy

JAHANGIR MOHAMMAD HOSSEIN, Norozi Eghbal. Numerical comparison of RAI and PNPI meteorological indices to assess and quantify the drought situation in Khuzestan province. IRANIAN JOURNAL OF ECOHYDROLOGY[Internet]. 2017;4(3 ):923-930. Available from: https://sid.ir/paper/254193/en

IEEE: Copy

MOHAMMAD HOSSEIN JAHANGIR, and Eghbal Norozi, “Numerical comparison of RAI and PNPI meteorological indices to assess and quantify the drought situation in Khuzestan province,” IRANIAN JOURNAL OF ECOHYDROLOGY, vol. 4, no. 3 , pp. 923–930, 2017, [Online]. Available: https://sid.ir/paper/254193/en

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