ANÁLISE DAS QUEIMADAS NO CERRADO E SUA RELAÇÃO COM O NDVI PARA OS ANOS DE 2000 A 2014
DOI:
https://doi.org/10.51359/2238-6211.2018.229312Abstract
Este trabalho tem como objetivo quantificar e espacializar queimadas obtidas a partir dos produtos MYD14 e MOD14 estimadas pelo sensor MODIS que ocorrem em todo o Cerrado. Os dados de queimadas foram comparados com os dados do produto do índice de vegetação denominado MOD13A3 NDVI (para pontos sorteados), também estimados pelo sensor MODIS a fim de compreender as interferências das queimadas na resposta biofísica da vegetação e suas mudanças em uma série temporal de 14 anos (2000 – 2014) a partir da Transformada Wavelet. A análise da distribuição espacial dos focos de queimadas indica que os locais mais atingidas pelas queimadas ocorrem em áreas de savana na porção norte do bioma. A utilização da Tranformada Wavelet para analisar variações nos sinais de NDVI se mostrou eficiente para verificar os cenários passados e atuais da vegetação, além de auxiliar na análise do comportamento fenológico da vegetação.
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Copyright (c) 2021 Paula Resende Santos, Gabriel Pereira, Francielle da Silva Cardozo, Raquel de Cássia Ramos, André Barbosa Ribeiro Ferreira, Fernanda Cristina Resende
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