2021
DOI: 10.26848/rbgf.v14.5.p2975-2987
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Vazão de projeto de barragens sob condições não estacionárias

Abstract: Tendências crescentes nas estatísticas de vazões dos rios têm sido detectadas em séries temporais no Brasil e no mundo. Devido as tendências, especialmente nas vazões máximas, há preocupação de que estruturas hidráulicas, como barragens, possam estar com sua segurança comprometida. Sendo assim, o objetivo deste estudo é estimar a vazão de projeto de uma série temporal não estacionaria para baixa probabilidades (TR milenar), comparando seu valor com a vazão de projeto do vertedouro da barragem existente. A dete… Show more

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“…Climate change risk assessment studies also benefit from the use of statistical tools. In this context, some studies have analyzed extreme daily rainfall (e.g., Rupa and Mujumdar, 2017;Medeiros et al, 2019;Affonso et al, 2020), while others have focused their analysis on flow series (Yonus and Hassan, 2019;Isensee et al, 2021). Blöschl et al (2019) point out the variability of extreme events as a prominent theme among the open problems, due to the difficulty of being precisely understood temporally and spatially, in addition to the magnitude of the impacts resulting from these events.…”
Section: Introductionmentioning
confidence: 99%
“…Climate change risk assessment studies also benefit from the use of statistical tools. In this context, some studies have analyzed extreme daily rainfall (e.g., Rupa and Mujumdar, 2017;Medeiros et al, 2019;Affonso et al, 2020), while others have focused their analysis on flow series (Yonus and Hassan, 2019;Isensee et al, 2021). Blöschl et al (2019) point out the variability of extreme events as a prominent theme among the open problems, due to the difficulty of being precisely understood temporally and spatially, in addition to the magnitude of the impacts resulting from these events.…”
Section: Introductionmentioning
confidence: 99%