Avaliação da precipitação na produtividade agrícola da cana-de-açúcar: estudo de caso usina coruripe para as safras de 2000/2005
DOI:
https://doi.org/10.26848/rbgf.v14.3.p1352-1366Abstract
Este trabalho avalia a influência da precipitação, índice de oscilação sul (IOS), índice multivariado do El Niño oscilação sul (ENOS), anomalia de temperatura da superfície do mar (ATSM) do dipolo do atlântico e do índice de vegetação por diferença normalizada (NDVI/ derivado dos satélites METEOSAT 9 e 10) sobre a produtividade agrícola da cana-de-açúcar (ton/ha) no litoral sul do Estado de Alagoas para o período de 2000 a 2005. As análises foram feitas utilizando-se precipitação pluviométrica da Usina Coruripe, localizada no município de Coruripe/AL. Os resultados encontrados mostram que a variabilidade anual da produtividade agrícola da cana-de-açúcar da Usina Coruripe é modulada em grande parte pela precipitação pluviométrica. Além disso, caracterizou-se a variabilidade anual e interanual da produtividade agrícola da cana-de-açúcar relacionadas com a variabilidade climática. Os resultados encontrados também sugerem que os dados do NDVI dos satélites METEOSAT 9 e 10 utilizados neste trabalho, mostraram-se ser, observações úteis para caracterizar a produtividade agrícola de cana-de-açúcar da Usina Coruripe.
Evaluation of precipitation in agricultural productivity of sugarcane: a case study of the Coruripe plant for the 2000/2005 harvests
A B S T R A C T
This study evaluates the influence of rainfall, southern oscillation index (SOI), multivariate index of El Niño Southern Oscillation (ENSO), sea surface temperature anomaly of the sea surface (SSTA) in the Atlantic dipole index and normalized difference vegetation (NDVI/derived from satellites METEOSAT 9 and 10) on agricultural productivity of cane sugar (ton/ha) on the southern coast of the State of Alagoas for the period 2000-2005. Analyses were performed using rainfall Coruripe Plant, located in the municipality of Coruripe/AL. The results show that the annual variability of the agricultural productivity of cane sugar mill Coruripe is modulated largely by rainfall. Additionally, characterized and interannual variability annual agricultural productivity of cane sugar related to climate variability. The results also suggest that the NDVI data from the satellites METEOSAT 9 and 10 used in this work, proved to be, useful observations to characterize the agricultural productivity of cane sugar mill Coruripe.
Keywords: agricultural productivity, rainfall, NDVI, climate variability.
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