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Meteorological modeling study identifies optimal probability distributions for daily monsoon precipitation across regional districts, indicating critical tools for agricultural water management.
Distribution of Rainfall plays important role in agriculture and efficient utilization of the water resources. The present study was conducted to know the distribution of rainfall during Monsoon period of different districts of Karnataka. The secondary data of Rainfall over a period of 34 years (1980-2013) was collected from AICRP on Agro Meteorology, UAS Bangalore. Around 20 different probability distributions were used to evaluate the best fit for maximum daily rainfall (mm). Kolmogorov-Smirnov, Anderson Darling and Chi-squared tests were used for the goodness of fit of the probability distributions showed that, for Log logistic (3P), Gen gamma (4P), Dagum (3P,4P), Gamma (2P), Pearson 5(3P), Weibull (3P), Johnson SB (4P) were found to be the best fit for different districts of the state.
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Bhavyashree et al. (2018) studied this question.
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