Os Desafios Da Geografia Física Na Fronteira Do Conhecimento 2017
DOI: 10.20396/sbgfa.v1i2017.2556
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Identificação e mapeamento de áreas suscetíveis a inundação na bacia do Aricanduva – SP utilizando o algoritmo descritor de terreno HAND

Abstract: Desastres naturais como inundações demandam mapeamentos e estudos diagnósticos do meio físico que visem oferecer aporte a ações de mitigação e gestão das áreas afetadas. No presente trabalho foi aplicado o modelo HAND (Height Above the Nearest Drainage) para a região da Bacia do Aricanduva, situada no município de São Paulo, SP, que é frequentemente atingida por inundações. Foi possível observar que o intervalo definido pelas alturas de inundação de 1-2 metros representa de forma satisfatórias as áreas suscetí… Show more

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“…Several techniques have been developed over the last decades to map flooded areas based on remotely sensed products (Teng et al, 2017). Some of these techniques are simple and only require the use of a digital elevation model (DEM) and an observed flood stage (Mengue et al, 2016(Mengue et al, , 2017Goerl, et al, 2017;Speckhann, et al, 2018;Dantas & Canil, 2017;Milanesi et al, 2017), as is the case of the HAND (Height Above the Nearest Drainage) terrain descriptor, described by Rennó et al (2008). This methodology has some limitations, such as the cross-sectional geometry and water level are averaged and considered uniform for each river reach.…”
Section: Introductionmentioning
confidence: 99%
“…Several techniques have been developed over the last decades to map flooded areas based on remotely sensed products (Teng et al, 2017). Some of these techniques are simple and only require the use of a digital elevation model (DEM) and an observed flood stage (Mengue et al, 2016(Mengue et al, , 2017Goerl, et al, 2017;Speckhann, et al, 2018;Dantas & Canil, 2017;Milanesi et al, 2017), as is the case of the HAND (Height Above the Nearest Drainage) terrain descriptor, described by Rennó et al (2008). This methodology has some limitations, such as the cross-sectional geometry and water level are averaged and considered uniform for each river reach.…”
Section: Introductionmentioning
confidence: 99%