Hurst's exponent H is obtained for historical precipitation data in northeast Brazil. The influence of periodic natural forces in the data is reflected by the presence of breaks and steps in the plots of the R/S signal vs. ...

The climate interferes in countless ways on human life and also in the dynamics of our planet. Nowadays it is widely accepted the conception that the climate is a condition for the distribution of human life, animals and ...

The automatic weather stations provide hourly information over pluviometric precipitation, and it is recurrent the occurrence of missing data in these data series. This situation compromise the data analysis, since it ...

The pluviometric precipitation presents a large spatial variability and it is a phenomenon characterized by its irregular distribution. Its data are available from a limited number of stations that provide only punctuations ...