Role of Rainfall Variation Trends in Recharge of Groundwater System of Bagh Area, Dhar District, Madhya Pradesh, India.

Arti Dawar, Pramendra Dev

Abstract


This paper incorporates an account of rainfall data analysis and its impacts on the ground water system of Bagh area for a period of 25 years (1987 to 2011). Rainfall data have been treated with mathematical and statistical methods of analysis. The mathematical analysis exhibits that maximum precipitation as 1187.0 mm during the year 2006 and minimum rainfall of 289.4 mm in the year of 1987.  The computed value of annual average rainfall is 652.48 mm. The departure from the annual average rainfall indicates positive and negative trends, whereas the cumulative departure reflects negative trend of recharge. The statistical analysis of rainfall data includes computation of central tendency Mean (652 mm.), Median (580 mm.), Mode (800 mm.) and Standard Deviation (160 mm.), Coefficient of Dispersion (0.24), Coefficient of Variation (24.53), Coefficient of Skewness (-0.92).  These parameters point out rather negative trend of recharge phenomena. The environmental impacts of rainfall factor on ground water system have been discussed. It has been observed that there is need for increase of rainfall frequency.


Keywords


Rainfall, Variation trend, Ground water recharge, Bagh area, Dhar district, Madhya Pradesh,India.

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References


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