08 Apr 2020
08 Apr 2020
Tidal flood area mapping fronts the climate change scenarios: case study in a tropical estuary of Brazilian semiarid
- 1Postgraduate Program in Geodynamics and Geophysics (PPGG), Federal University of Rio Grande do Norte, P.O. Box 1524, Natal-RN, 59078-970, Brazil
- 2Federal Institute of Education, Science and Technology of Rio Grande do Norte, Macau-RN, 59500-000, Brazil
- 3Laboratory of Geotechnologies, Coastal and Ocean Modelling (GNOMO), Department of Civil Engineering, Federal University of Rio Grande do Norte, Natal-RN, 59078-970, Brazil
- 4Federal Institute of Education, Science and Technology of Rio Grande do Norte, Natal-RN, 59015-000, Brazil
- 5Center of Sea Studies, Federal University of Parana, P.O. Box 61, Curitiba-PR, 83225-976, Brazil
- 1Postgraduate Program in Geodynamics and Geophysics (PPGG), Federal University of Rio Grande do Norte, P.O. Box 1524, Natal-RN, 59078-970, Brazil
- 2Federal Institute of Education, Science and Technology of Rio Grande do Norte, Macau-RN, 59500-000, Brazil
- 3Laboratory of Geotechnologies, Coastal and Ocean Modelling (GNOMO), Department of Civil Engineering, Federal University of Rio Grande do Norte, Natal-RN, 59078-970, Brazil
- 4Federal Institute of Education, Science and Technology of Rio Grande do Norte, Natal-RN, 59015-000, Brazil
- 5Center of Sea Studies, Federal University of Parana, P.O. Box 61, Curitiba-PR, 83225-976, Brazil
Abstract. Previous studies on tidal flood mapping are mostly with continental and/or global scale approaches. Besides, the few works on local scale perception are concentrated in Europe, Asia, and North America. Here we present a case study approaching a flood risk mapping methodology against climate change scenarios in a region with a strong environmental and social appeal. The study site is an estuarine cut in the Brazilian semi-arid, covering part of two state conservation units, which has been in recent years suffering severe consequences from flooding by tides. In this case study, high geodetic precision data (LiDAR DEM), together with robust tidal return period statistics and data from current sea level rise scenarios were used. We found that approximately 118.26 km2 of the estuary understudy is at high risk, extremely high risk and urgently in need of mitigation measures. This case study can serve as a basis for future management actions as well as a model for applying risk mapping in other coastal areas.
Paulo Victor N. Araújo et al.
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RC1: 'omments', Anonymous Referee #1, 13 May 2020
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AC1: 'Response to Referee#1', Paulo Araújo, 10 Jun 2020
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AC2: 'Revised manuscript', Paulo Araújo, 10 Jun 2020
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AC2: 'Revised manuscript', Paulo Araújo, 10 Jun 2020
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AC1: 'Response to Referee#1', Paulo Araújo, 10 Jun 2020
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RC2: 'Referee Comment', Anonymous Referee #2, 21 May 2020
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AC3: 'Response to Referee#2', Paulo Araújo, 11 Jul 2020
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AC4: 'Revised manuscript post RF#1 and RF#2', Paulo Araújo, 11 Jul 2020
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AC3: 'Response to Referee#2', Paulo Araújo, 11 Jul 2020
Paulo Victor N. Araújo et al.
Paulo Victor N. Araújo et al.
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