Articles | Volume 19, issue 1
Nat. Hazards Earth Syst. Sci., 19, 237–250, 2019
https://doi.org/10.5194/nhess-19-237-2019

Special issue: Flood risk assessment and management

Nat. Hazards Earth Syst. Sci., 19, 237–250, 2019
https://doi.org/10.5194/nhess-19-237-2019

Research article 25 Jan 2019

Research article | 25 Jan 2019

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 et al.

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Revised manuscript accepted for NHESS
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Cited articles

Abreu, R. F., Cunningham, C., Rudorff, C. M., Rudorff, N., Abatan, A. A., Dong, B., Lott, F. C., Tett, S. F. B., and Sparrow, S. N.: Contribution of anthropogenic climate change to April–May 2017 heavy precipitation over the Uruguay river basin, B. Am. Meteorol. Soc., 12, 1–5, https://doi.org/10.1175/BAMS-D-18-0102.1, 2018. 
Alaghmand, S., Abdullah, R. B., Abustan, I., and Vosoogh, B.: GIS-based River Flood Hazard Mapping in Urban Area (A Case Study in Kayu Ara River Basin, Malaysia), Int. J. Eng. Technol., 2, 488–500, 2010. 
ANA – Agência Nacional de Águas: Conjuntura dos recursos hídricos no Brasil: regiões hidrográficas brasileiras, Edição Especial, Brasília-DF, p. 163, available at: http://www.snirh.gov.br/portal/snirh/centrais-de-conteudos/conjuntura-dos-recursos-hidricos/regioeshidrograficas2014.pdf (last access: 10 June 2018), 2015. 
APFM – Associated Programme on Flood Management: Integrated flood management tools series: Flood Mapping, Issue 20, available at: https://library.wmo.int/pmb_ged/ifmts_20.pdf (last access: 11 June 2018), 2013. 
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. 
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This paper aims to map flood hazard areas under the influence of the Uruguay River, Itaqui (southern Brazil), using a calibrated digital elevation model (DEM), historic river level data and geoprocessing techniques. Assessment of the areas that can potentially be flooded can help to reduce the negative impact of flood events by supporting the process of land-use planning in areas exposed to flood hazards.
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