Articles | Volume 21, issue 11
https://doi.org/10.5194/nhess-21-3353-2021
https://doi.org/10.5194/nhess-21-3353-2021
Research article
 | 
09 Nov 2021
Research article |  | 09 Nov 2021

Tidal flood area mapping in the face of climate change scenarios: case study in a tropical estuary in the Brazilian semi-arid region

Paulo Victor N. Araújo, Venerando E. Amaro, Leonlene S. Aguiar, Caio C. Lima, and Alexandre B. Lopes

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Delimitation of flood areas based on a calibrated a DEM and geoprocessing: case study on the Uruguay River, Itaqui, southern Brazil
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Nat. Hazards Earth Syst. Sci., 19, 237–250, https://doi.org/10.5194/nhess-19-237-2019,https://doi.org/10.5194/nhess-19-237-2019, 2019
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Cited articles

Aguiar, L. S., Amaro, V. E., Araújo, P. V. N., and Santos, A. L. S.: Geotecnologias de Baixo Custo Aplicadas à Avaliação de Risco por Inundação em Áreas Urbanas Costeiras em Cenários de Mudanças Climáticas, Anuário do Instituto de Geociências – UFRJ, 42, 267–290, https://doi.org/10.11137/2019_1_267_290, 2019. 
Amaro, V. E., Santos, M. S. T., and Souto, M. V. S.: Geotecnologias Aplicadas ao Monitoramento Costeiro: Sensoriamento Remoto e Geodésia de Precisão, 1st Ed., Edição dos Autores, Natal, RN, 118 pp., 2012. 
ANA – Agência Nacional das Águas: Plano de recursos hídricos da bacia hidrográfica do rio Piancó-Piranhas-Açu, Brasília-DF, 167 pp., available at: http://piranhasacu.ana.gov.br/produtos/PRH_PiancoPiranhasAcu_ResumoExecutivo_30062016.pdf (last access: 25 June 2019), 2016. 
Araújo, P. V. N., Amaro, V. E.; Alcoforado, A. V. C., and Santos, A. L. S.: Acurácia Vertical e Calibração de Modelos Digitais de Elevação (MDEs) para a Bacia Hidrográfica Piranhas-Açú, Rio Grande do Norte, Brasil, Anuário do Instituto de Geociências – UFRJ, 41, 351–364, https://doi.org/10.11137/2018_1_351_364, 2018. 
Araújo, P. V. N., Amaro, V. E., Silva, R. M., and Lopes, A. B.: Delimitation of flood areas based on a calibrated a DEM and geoprocessing: case study on the Uruguay River, Itaqui, southern Brazil, Nat. Hazards Earth Syst. Sci., 19, 237–250, https://doi.org/10.5194/nhess-19-237-2019, 2019. 
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Short summary
The approach of this work is a tidal flood risk mapping methodology for climate change scenarios in a semi-arid region with a strong environmental and social appeal. The study area has been suffering severe consequences from flooding by tides in recent years. High-geodetic-precision data, together with tidal return period statistics and data from current sea level rise scenarios, were used. This case study can serve as a basis for future management actions and as a model to be copied.
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