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Revista Brasileira de Engenharia Agrícola e Ambiental

versión On-line ISSN 1807-1929


CASTRO, Fábio da S. et al. Evaluation of the performance of the different methods of interpolaters for parameters of the climatologic water balance. Rev. bras. eng. agríc. ambient. [online]. 2010, vol.14, n.8, pp.871-880. ISSN 1807-1929.

Geostatistics is associated with a class of techniques used to analyze and to infer values of a variable distributed in space or time. By means of this, the objective of this work was to evaluate different techniques of interpolation for the following climatic parameters: precipitation, water deficit, water surplus, potential evapotranspiration, actual evapotranspiration and water availability in the State of the Espirito Santo. Meteorological data of air temperature and precipitation were used in the climatic water balance determination, according to Thornthwaite & Mather (1955), adopting a storage capacity of 100 mm. The results show that the method of kriging was the most efficient for the spatialization of climatic parameters, based on the lower value of the Root of the Mean Quadratic Error (REMQ) and other calculated parameters that helped in choosing the best model.

Palabras clave : geoestatistic; krigagem; interpolation.

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