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NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Int.J.Curr.Microbiol.App.Sci.2019.8(8): 1995-2004
DOI: https://doi.org/10.20546/ijcmas.2019.808.233


Assessment and Comparison of SPI and RDI Meteorological Drought Indices in Panchmahals District of Gujarat, India
A.V. Memon1* and N.V. Shah2
1Department of Basic Engineering and Applied Science, College of Agriculture Engineering and Technology, Anand Agriculture University, Godhra, India
2Department of Food Engineering, College of Food processing Technology and Bio Energy, Anand Agriculture University, Anand, India
*Corresponding author
Abstract:

Drought is one of the natural disasters of tremendous significance owing to intensity, duration, magnitude, financial damage and long-term impacts in comparison with other disasters. The evaluation of drought is aimed at identifying the onset, continuity and severity of drought. Reliable surveillance of drought and early warning are essential in preparing for drought, planning and mitigating future effects, particularly early warnings of famine. In present study, meteorological drought indices such as the Standardized Precipitation Index (SPI) and the Reconnaissance Drought Index (RDI) were used for drought assessment in Panchmahals district of Gujarat state for period of 99 years (1900 – 1999). The objective of the study was to supervise and compare the drought using SPI and RDI. The results of this study showed that the RDI is more sensitive than the SPI to climatic conditions and so we can’t neglect the role of evapotranspiration in drought assessments. The results also showed that both indices behave in the same manner, but RDI due to use of potential evapotranspiration in similar climatic conditions is more sensitive. Based on the findings of this research, it is suggested that the RDI index be used as the appropriate drought index for water resource planning and management in drought surveillance schemes.


Keywords: Drought, Meteorological drought, Drought indices, Standardized Precipitation Index (SPI), Reconnaissance Drought Index (RDI)
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How to cite this article:

Memon, A.V. and Shah, N.V. 2019. Assessment and Comparison of SPI and RDI Meteorological Drought Indices in Panchmahals District of Gujarat, India.Int.J.Curr.Microbiol.App.Sci. 8(8): 1995-2004. doi: https://doi.org/10.20546/ijcmas.2019.808.233