A5076926735- Hydrology and Drought Analysis
- Climate variability and models
- Flood Risk Assessment and Management
- Precipitation Measurement and Analysis
- Hydrology and Watershed Management Studies
- Meteorological Phenomena and Simulations
Université d'Abomey-Calavi
2017-2024
This study analyzed trends in extreme precipitation based on daily rainfall data provided by Bénin Méteo Agency for the Upper Ouémé valley Benin over period 1951–2014. Eleven indices divided into two groups were considered. The first group consists of frequency indices: number heavy days, very days and extremely days; maximum Consecutive dry wet days. second concerns intensity: (RX1day), five-day (RX5day), annual total wet-day (PRCPTOT), simple intensity index (SDII), day (R95P) (R99P)....
This study analyzed the trends of extreme daily rainfall indices over Ouémé basin using observed data from 1950 to 2014 and projected regional climate model REMO (REgional MOdel) for period 2015–2050. For future analysis, two Intergovernmental Panel on Climate Change (IPCC) new scenarios are considered, namely RCP4.5 RCP8.5. The considered number heavy days, very consecutive dry wet maximum rainfall, five-day annual wet-day total simple intensity index, extremely days. These were calculated...
This work focuses on impacts of climate change Ouémé River discharge at Bonou outlet based four global models (GCM) over catchment from 1971 to 2050. Empirical quantile mapping method is used for bias correction GCM. Furthermore, twenty-five rain gauges were selected among which are three synoptic stations. The semi-distributed model HEC-HMS (Hydrologic Modeling System Hydrologic Engineering Center) simulate runoff. As results, showed ability runoff while taking into account land use and...
This study assessed the performance of eight general circulation models (GCMs) implemented in upper Ouémé River basin Benin Republic (West Africa) during Fifth Assessment Report on Climate Change. Historical rainfall simulations climate model Rossby Regional Centre (RCA4) driven by Coupled Model Intercomparison Project (CMIP5) GCMs over a 55-year period (1951 to 2005) are evaluated using observational data set. Apart from daily rainfall, other parameters calculated observed and simulated...
In this research, hourly rainfall recorded at 4 synoptic stations in the Republic of Benin over period from 2006 to 2019 was used produce intensity-duration-frequency (IDF) curves. The aim is determine daily heights rare frequency and establish intensity-duration curves for various recurrence periods. To achieve this, a analysis data carried out using Gumbel law more commonly sub-region. IDF were constructed on basis extreme events short observation series. R software process data. results...