Meteorological conditions and social impacts associated with natural disaster landslides in the Baixada Santista region from March 2nd–3rd, 2020

Freitas, Aline Araújo; Oda, Paula Sayeko Souza; Teixeira, Débora Luisa Silva; Silva, Paola do Nascimento; Mattos, Enrique Vieira; Bastos, Ivana Riêra Pereira; Nery, Tulius Dias; Metodiev, Daniel; Santos, Ana Paula Paes dos; Gonçalves, Weber Andrade

doi:10.1016/j.uclim.2022.101110

Cited by 6 publications

(2 citation statements)

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“…The recent intensification of flood events in some Brazilian locations is clear, either when it comes to their frequency or magnitude, since they have been exceeding the flow capacity of urban drainage systems. Assumingly, such an increase in the number of external events is the response to climate changes or to the badly planned urbanization of drainage basins (RIBEIRO et al, 2022) like São Paulo, Natal and Santos macro-regions (Marengo et al, 2022;Rodrigues et al, 2021 andFreitas et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

“…Excessive soil sealing, and deforestation, increase surface runoff volume and, consequently, external flows, a fact that points out how drainage structures are undersized. Furthermore, lack of up-dated intense rainfall data generates doubts about calculations performed for urban drainage systems, as well as uncertainty about their results (Choi et al, 2021;Freitas et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

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Rainfall data adjustment to Volta Redonda macro-region

Santos

Duarte

2023

Braz J Biosyst Eng

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Most Brazilian cities do not have a proper water and soil management system due to lack of planning in this sector and of an easy-consultation local-hydrological bibliography capable of reinforcing the future creation of a hydrological modeling. Volta Redonda macro-region's case can be added to this statistics, since it accounts for several natural hazards linked to floods and inundations in some specific locations. The aims of the present study are to descriptively analyze monthly rainfall data generated by CEMADEN's rainfall gauges and to assess whether monthly rainfall in the region adapts well to probability Gamma Distribution plots. Rainfall data from four points in Volta Redonda, Barra Mansa and Pinheiral cities, recorded for 48 months, and provided by CEMADEN, were used in the study. Gamma Distribution was adjusted to monthly rainfall data. In conclusion, the probability of having a given monthly rainfall value lower than, or equal to, that recorded for the Pinheiral – Volta Redonda – Barra Mansa conurbation area can be estimated through Gamma Distribution. Values recorded for shape (γ) and scale (β) parameters of Volta Redonda macro-region's municipalities were 1.59 and 79.30, on average, respectively.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%