Analysis of Precipitation and Drought (1951-2002) for Rajasthan State, India

Umesh Kumar^1, , Naginder Singh², Sanu Meena¹, Ketan Jangir³ and Amit Meena⁴

¹Department of Civil Engineering, M.B.M. Engineering College, Jodhpur 342011 Rajasthan, India

²Department of Electronics and Communication Engineering, M.B.M. Engineering College, Jodhpur 342011 Rajasthan, India

³Department of Chemical Engineering, M.B.M. Engineering College, Jodhpur 342011 Rajasthan, India

⁴Department of Mechanical Engineering, M.B.M. Engineering College, Jodhpur 342011 Rajasthan, India

Cite this paper:
Umesh Kumar, Naginder Singh, Sanu Meena, Ketan Jangir and Amit Meena. Analysis of Precipitation and Drought (1951-2002) for Rajasthan State, India. Applied Ecology and Environmental Sciences. 2022; 10(3):79-87. doi: 10.12691/aees-10-3-2

Abstract

Over the past few centuries, India has been adversely affected by droughts which have a negative impact on the growth of the country. In this study draught analysis of 32 districts of Rajasthan state is carried out for the time period 1951-2002. Standardized Precipitation Index (SPI) and Standardized Precipitation Evapotranspiration Index (SPEI) are used to detect Meteorological Drought in the study area using Precipitation and potential evapotranspiration. For trend analysis, the well-known statistical method known as the “Mann Kendal Test” is used. The result of most of the districts shows a negative trend while a very less number of districts shows a positive trend in drought. Baran district is showing a maximum increasing trend while the Hanumangarh district has a maximum decreasing trend.

Keywords:
drought analysis standardized precipitation index standardized precipitation evapotranspiration index rainfall

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