Identificação das Áreas Susceptíveis à Desertificação no Estado do Ceará: antecedentes cartográficos (Identification of susceptible to desertification areas in the state of Ceará: cartographic history)
DOI:
https://doi.org/10.26848/rbgf.v10.4.p1269-1280Keywords:
Áreas Susceptíveis à Desertificação, Mapeamento, Semiárido, Ceará.Abstract
A identificação de Áreas Susceptíveis à Desertificação no Brasil (ASD) tem sido adotada por tomadores de decisão nas Políticas Públicas e nas pesquisas acadêmicas na abordagem da Degradação da Terra e Desertificação no Semiárido Nordestino. Considerando que as ASD correspondem às áreas semiáridas e subúmidas secas, e áreas de entorno, consideramos o Semiárido do Ceará para estudo. Este artigo realizou uma breve reconstituição da análise espacial das ASD entre os anos de 1992 a 2015. Por meio de um comparativo de cinco bases cartográficas e estimativas de áreas afetadas pela desertificação, obteve-se uma representação espacial das áreas mais críticas e dos núcleos configurados no Ceará.
A B S T R A C T
The identification of of Susceptible to Desertification Areas (SDA) in Brazil has been adopted by decision-makers in Public Policies and in academic research in the approach to Land Degradation and Desertification in the Northeastern Semiarid Region. Considering that the SDA correspond to the semi-arid and subhumid areas, and the surrounding areas, we consider the semi-arid region of Ceará for study. This article made a brief reconstitution of the spatial analysis of the ASD between the years 1992 to 2015. A comparison of five cartographic bases and estimates of affected areas by desertification resulted in a spatial representation of the most critical areas and the configured nuclei in Ceará.
Keywords: susceptible to desertification areas, mapping, semi-arid areas, Ceará.
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