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

Agrarian

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Title Geostatistics as a tool to estimate rainfall variability in Pernambuco, Brazil Timóteo
Geoestatística como ferramenta para estudos da variabilidade da precipitação pluviométrica no estado de Pernambuco, Brasil
 
Creator Barros, Timóteo Herculino da Silva
Bender, Fabiani Denise
Silva, Flávia Rosana Barros
José, Jefferson Viera
Costa, Jéfferson Oliveira
Coelho, Rubens Duarte
 
Subject
Rainfall distribution. Semivariogram. Northeastern semiarid.
Engenharia Agrícola
Distribuição da precipitação pluviométrica. Semivariograma. Semiárido nordestino.
 
Description 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.
O conhecimento do comportamento espaço temporal da precipitação pluviométrica nesse contexto apresenta um papel relevante quando o objetivo é tomar decisões a respeito do recurso mais importante. O objetivo deste trabalho foi investigar a contribuição da longitude, da latitude e a covariável altitude, como variáveis auxiliares na obtenção de estimativas da distribuição espacial da precipitação anual média no estado de Pernambuco. Dentre os modelos testados o exponencial apresentou melhor ajuste aos dados observados, e as tendências apresentaram forte dependência espacial e estão diretamente correlacionadas com a precipitação pluviométrica média anual. A utilização da ferramenta apresentou-se eficaz na estimativa da precipitação pluviométrica, e pode ser empregada em diversas áreas do conhecimento, principalmente como ferramenta de apoio para tomada decisão.
 
Publisher Editora UFGD
 
Contributor
Conselho Nacional de Desenvolvimento Científico e Tecnológico - CNPq
 
Date 2020-11-23
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion


 
Format application/pdf
 
Identifier https://ojs.ufgd.edu.br/index.php/agrarian/article/view/11982
10.30612/agrarian.v13i50.11982
 
Source Agrarian Journal; v. 13, n. 50 (2020); 513-520
Agrarian; v. 13, n. 50 (2020); 513-520
1984-2538
 
Language por
 
Relation https://ojs.ufgd.edu.br/index.php/agrarian/article/view/11982/6396
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Rights Direitos autorais 2020 Timóteo Herculino da Silva Barros, Fabiani Denise Bender, Flávia Rosana Barros Silva, Jefferson Viera José, Jéfferson Oliveira Costa, Rubens Duarte Coelho
https://creativecommons.org/licenses/by-nc-sa/3.0/br/
 

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