Análise da Tendência Climática nas Séries Temporais de Temperatura e Precipitação de Tucuruí-Pará (Trend Analysis of the Climate in Time Series of Temperature and Precipitation of Pará-Tucuruí)
DOI:
https://doi.org/10.26848/rbgf.v7.5.p798-807Keywords:
temperatura- precipitação- oscilações interanuaisAbstract
RESUMO Este trabalho tem por objetivo fornecer um breve conhecimento das análises climatológicas da temperatura e precipitação do município de Tucuruí-PA. Abordando pontos como a tendência anual da temperatura e precipitação, e a correlação entre as oscilações interanual e interdecadal dos oceanos atlântico e pacifico sobre a precipitação sazonal de Tucuruí a partir de uma serie de mais de 40 anos de dados. Os resultados mostraram que as menores temperaturas médias do ar ocorrem em fevereiro, as temperaturas médias do ar mais elevadas ocorreram no mês de outubro, a temperatura máxima do ar aumenta continuamente de fevereiro a outubro, decrescendo em novembro. Quando se fala na análise da tendência observou-se que apenas as series de temperaturas médias e mínimas apresentaram uma tendência positiva significativa. Há correlação com significância estatística apenas entre a precipitação das estações outono, inverno e primavera com o índice ODP. Observou-se uma dependência oscilatória entre as chuvas de verão e a OMA; uma dependência quadrática das chuvas de verão e ODP; correlação negativa entre as chuvas de outono e o IME; e correlação negativa entre as chuvas de outono e de inverno com a ODP.
ABSTRACT
This work aims to provide a brief knowledge of the climatological analyzes of temperature and precipitation in the municipality of Tucuruí-PA. Addressing points such as the annual trend of temperature and precipitation, and the correlation between the interannual and interdecadal oscillations of the Atlantic and Pacific oceans on seasonal rainfall Tucuruí from a series of more than 40 years of data. The results showed that the lowest average temperatures occur in February, the average temperatures of the air were higher in October, the maximum air temperature increases continuously from February to October, decreasing in November. When referring to the trend analysis revealed that only the series of medium and minimum temperatures showed a significant positive trend. There are only statistically significant correlation between rainfall seasons of autumn, winter and spring with the ODP. Observed oscillatory dependence between summer rainfall and OMA; a quadratic dependence of summer rains and ODP; negative correlation between the autumn rains and the IME; and negative correlation between the rains of autumn and winter with the ODP.
Keywords: temperature, precipitation, interannual oscillations
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Copyright (c) 2015 Roberta Everllyn Pereira Ribeiro, Pâmela Ribeiro Ávila, José Ivaldo Brito, Elder Guedes Santos, Leandro Fontes Sousa
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