Avaliação da Influência do fenômeno El Niño realizada por índice de aridez em áreas suscetíveis à desertificação.
El Niño is a natural phenomena that causes severe drought in Brazil's semi-arid, which can to develop desertification processes. The objective of this study was to evaluate the influence of El Niño 2009/2010 period by answering the monthly aridity index. The study area consisted of four watersheds...
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