2018
DOI: 10.9734/jgeesi/2018/41773
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A Copula-based Approach for Assessing Flood Protection Overtopping Associated with a Seasonal Flood Forecast in Niamey, West Africa

Abstract: Flood is one of the most important natural disasters that cause huge loss of life and properties every year around the world. Moreover, the International Federation of the Red Cross and Red Crescent Societies pointed out that floods were by far the greatest cause of homelessness. In West Africa, many countries are damaged from flooding almost every season. Thus, this study aimed to set a seasonal flood forecast model and carried out an evaluation of the level of risk associated with each seasonal forecast. HEC… Show more

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Cited by 2 publications
(3 citation statements)
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“…An in-depth assessment of the flow process in the Niger River catchment, including the accurate estimation of flood peak and flood runoff volumes, is essential to contribute to flood management, planning and prevention. In this line of thought, according to previous studies, the Sirba River Basin (SRB) plays a major role in the flooding events occurring in Niamey, the capital city of Niger, with a contribution estimated at 80% [21]. Indeed, the SRB is the largest tributary of the Niger River, where a 30% increase in surface runoff has been observed since the 1970s [18,[22][23][24].…”
Section: Introductionmentioning
confidence: 95%
See 1 more Smart Citation
“…An in-depth assessment of the flow process in the Niger River catchment, including the accurate estimation of flood peak and flood runoff volumes, is essential to contribute to flood management, planning and prevention. In this line of thought, according to previous studies, the Sirba River Basin (SRB) plays a major role in the flooding events occurring in Niamey, the capital city of Niger, with a contribution estimated at 80% [21]. Indeed, the SRB is the largest tributary of the Niger River, where a 30% increase in surface runoff has been observed since the 1970s [18,[22][23][24].…”
Section: Introductionmentioning
confidence: 95%
“…Hydrological modeling offers an interesting framework for large-scale analysis and assessment of the rainfall-runoff relationship [25][26][27][28][29], especially in the context of the SRB. Several hydrological modeling studies have been conducted in the SRB in West Africa, focusing on various aspects such as land surface modeling [30], statistical discharge time series analysis [31][32][33], hydrological rainfall-runoff assessments [21,23,[34][35][36][37][38] and the development of flood early warning systems [39]. Although these studies shed light on the understanding of hydroclimatic behavior and variability in the region, little work has been carried out on the possible contribution of the SRB to the onset of fluvial floods downstream of the SRB, in Niamey urban city.…”
Section: Introductionmentioning
confidence: 99%
“…As a result, the accuracy of simulating flood characteristics is not high, and they are constrained by the type of marginal distributions, making it difficult to address complex multivariate joint simulation problems. Copula functions have also found extensive application in the field of hydrological stochastic simulations [4][5][6][7][8][9]. The Copula function can simulate flood characteristics, with a focus on considering the interdependencies among these characteristics.…”
Section: Introductionmentioning
confidence: 99%