@Article{AmorimLucSilRodBri:2020:ReAnTe,
author = "Amorim, Ana Cleide Bezerra and Lucio, Paulo S{\'e}rgio and Silva,
Cl{\'a}udio Mois{\'e}s Santos e and Rodrigues, Daniele
T{\^o}rres and Brito Neto, Francisco Agustinho",
affiliation = "{Universidade Federal do Rio Grande do Norte (UFRN)} and
{Universidade Federal do Rio Grande do Norte (UFRN)} and
{Universidade Federal do Rio Grande do Norte (UFRN)} and
{Universidade Federal do Piau{\'{\i}} (UFPI)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)}",
title = "Regionaliza{\c{c}}{\~a}o e an{\'a}lise da tend{\^e}ncia da
precipita{\c{c}}{\~a}o do Rio Grande do Norte associados a
padr{\~o}es de TSM",
journal = "Revista Brasileira de Meteorologia",
year = "2020",
volume = "35",
number = "2",
pages = "269--280",
month = "abr./jun.",
keywords = "Mann-Kendall, Pettitt, tend{\^e}ncia positiva,
esta{\c{c}}{\~a}o chuvosa, Mann-Kendall, Pettitt, positive
trend, rainy season.",
abstract = "A precipita{\c{c}}{\~a}o apresenta elevada variabilidade
espacial e temporal, a exemplo do Nordeste do (NEB), que {\'e}
caracterizado por longos per{\'{\i}}odos de secas e por
epis{\'o}dios de chuva excessiva, que interferem no gerenciamento
de recursos h{\'{\i}}dricos. Especificamente o Estado do Rio
Grande do Norte (RN), localizado na regi{\~a}o oriental do NEB, a
esta{\c{c}}{\~a}o chuvosa ocorre em dois per{\'{\i}}odos.
Neste contexto, o objetivo principal deste estudo {\'e} definir
{\'a}reas homog{\^e}neas de precipita{\c{c}}{\~a}o (AHP) do
Estado do RN, investigar tend{\^e}ncias lineares e
mudan{\c{c}}as em que as mesmas ocorreram na esta{\c{c}}{\~a}o
chuvosa. Utilizaram-se acumulados de precipita{\c{c}}{\~a}o da
quarta vers{\~a}o do produto da Universidade de Delaware para o
per{\'{\i}}odo de 1900 a 2014. Para identificar as AHP
utilizou-se a an{\'a}lise de agrupamento. As tend{\^e}ncias
foram estimadas pelo teste de Mann-Kendall. As quebras de
estrutura, pelo m{\'e}todo de Pettit. Os resultados indicam
tr{\^e}s AHP: Oeste, Serid{\'o} e Litoral. A esta{\c{c}}{\~a}o
chuvosa no Oeste e Serid{\'o} concentra-se entre fevereiro a
maio; no Litoral, entre abril e julho. As tend{\^e}ncias s{\~a}o
identificadas apenas no Litoral com valor-p < 0,05, um aumento em
sua m{\'e}dia foi observado a partir de 1964 e isso,
aparentemente, est{\'a} associada aos modos de variabilidade do
Atl{\^a}ntico. ABSTRACT: Precipitation presents high spatial and
temporal variability, as in Northeast Brazil (NEB), which is
characterized by long periods of droughts and episodes of
excessive precipitation, which influences the water resources
management. Specifically, Rio Grande do Norte (RN) state located
in the eastern of NEB, the rainy season occurs in two periods. In
this context, the main objective of this study is to define
homogeneous areas of precipitation (HAPs) in the RN state to
investigate linear trends and changes in which they occurred in
the rainy season. It was used the accumulated precipitation from
the fourth version of data from the University of Delaware, for
the period 1900 to 2014. To identify the HAPs was used the cluster
analysis. Trends were estimated by the Mann-Kendall test. The
structural breaks was made by the Pettitt method. The results
indicate three HAPs in the RN state: West, Serid{\'o} and Coast.
The rainy season in the West and Serid{\'o} is concentrated
between February and May; on the coast, between April and July.
Trends are identified only on the coast with p-value < 0.05, an
increase in their mean was observed from 1964 and this is
apparently associated with the modes of Atlantic variability.",
doi = "10.1590/0102-7786352024",
url = "http://dx.doi.org/10.1590/0102-7786352024",
issn = "0102-7786",
language = "en",
targetfile = "Amorim_regionalizacao.pdf",
urlaccessdate = "20 maio 2024"
}