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Spatial-temporal variability of climatic water balance in the Brazilian Savannah region river basins. Author(s): RODRIGUES, L. N. The evaluation of water and energy cycles from the estimation of water balance is a fundamental instrument to assess the water potential of a region. Thus, the objective of this study was to evaluate... ... Repository: BDPA Publication year: 2023
Jack knifing for semivariogram validation. Author(s): CARVALHO, J. R. P. de The semivariogram function fitting is the most important aspect of geostatistics and because of this the model chosen must be validated. Jack knifing may be one the most efficient ways for this valida... ... Repository: BDPA Publication year: 2010
Detrending non stationary data for geostatistical applications. Author(s): CARVALHO, J. R. P. de The use of geostatistics requires at least that the intrinsic hypothesis be satisfied. The presence of a trend in the data invalidates this hypothesis. One of the ways of solving this problem is by su... ... Repository: BDPA Publication year: 2010
Annual maximum daily rainfall trends in the Midwest, southeast and southern Brazil in the last 71 years. Author(s): CARVALHO, J. R. P. de; ASSAD, E. D.; OLIVEIRA, A. F. de The aim of this study was to model, based on the overall distribution of extreme values, the probability of occurrence of a particular level of annual maximum daily rainfall in three Brazilian regions... ... Repository: BDPA Publication year: 2014
Probabilistic methods for seasonal forecasting in a changing climate: Cox-type regression models. Author(s): MAIA, A. de H. N. For climate risk management, cumulative distribution functions (CDFs) are an important source of information. They are ideally suited to compare probabilistic forecasts of primary (e.g. rainfall) or s... ... Repository: BDPA Publication year: 2009

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