Geostatistics as a tool to estimate rainfall variability in Pernambuco, Brazil Timóteo

Authors

DOI:

https://doi.org/10.30612/agrarian.v13i50.11982

Keywords:

Rainfall distribution. Semivariogram. Northeastern semiarid.

Abstract

The knowledge of the temporal space behavior of the rains in this context plays an important role when the objective is to make decisions about the most important resource. The objective of this work was to investigate the contribution of longitude, latitude and the covariable altitude, as auxiliary variables in obtaining estimates of the spatial distribution of average annual precipitation in the state of Pernambuco. Among the models tested, the exponential presented a better fit to the observed data, and the trends showed a strong spatial dependence and are directly correlated with the average annual rainfall. The use of the tool proved to be effective in estimating rainfall, and can be used in several areas of knowledge, mainly as a support tool for decision making.

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Author Biographies

Timóteo Herculino da Silva Barros, Escola superior de Agricultura Luiz de Queiroz (ESALQ/USP)

Departamento de Engenharia de Biossistemas

Rubens Duarte Coelho, Escola superior de Agricultura Luiz de Queiroz (ESALQ/USP)

Departamento de Engenharia de Biossistemas

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Published

2020-11-23

How to Cite

Barros, T. H. da S., Bender, F. D., Silva, F. R. B., José, J. V., Costa, J. O., & Coelho, R. D. (2020). Geostatistics as a tool to estimate rainfall variability in Pernambuco, Brazil Timóteo. Agrarian Journal, 13(50), 513–520. https://doi.org/10.30612/agrarian.v13i50.11982

Issue

Vol. 13 No. 50 (2020)

Section

Article - Agricultural Engineering

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