PRECIPITAÇÃO PLUVIOMÉTRICA PROVÁVEL PARA O MUNICÍPIO DE BOTUCATU-SP
DOI:
https://doi.org/10.15809/irriga.2021v26n4p853-866Abstract
In the water balance of a local and/or region, rainfall is the main input element, therefore, knowledge of its availability is essential for urban and agricultural management. Probable rainfall is the extreme value (maximum or minimum) of the rainfall that has a specific probability of occurrence and it can be calculated through probability distributions. This study aimed to estimate the probable rainfall at levels of 10, 20, 30, 40, 50, 60, 70, 80 and 90% probability of occurrence for the municipality of Botucatu-SP, in cumulative periods of 10, 15 and 30 days, using the Gamma probability distribution. The results indicated that the Gamma distribution was suitable for the probable monthly rainfall in the municipality of Botucatu-SP and it was not suitable for 10 decennials periods and one fifteen days period using the Kolmogorov-Smirnov test, at a 5% significance level.
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