Articles | Volume 21, issue 11
Nat. Hazards Earth Syst. Sci., 21, 3353–3366, 2021
https://doi.org/10.5194/nhess-21-3353-2021

Special issue: Remote sensing and Earth observation data in natural hazard...

Nat. Hazards Earth Syst. Sci., 21, 3353–3366, 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 et al.

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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
Paulo Victor N. Araújo, Venerando E. Amaro, Robert M. Silva, and Alexandre B. Lopes
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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