SciELO - Scientific Electronic Library Online

vol.29 issue4Analysis of the simulated global temperature using a simple energy balance stochastic modelIndoor PM 10 and its heavy metal composition at a roadside residential environment, Phitsanulok, Thailand author indexsubject indexsearch form
Home Pagealphabetic serial listing  

Services on Demand




Related links

  • Have no similar articlesSimilars in SciELO



Print version ISSN 0187-6236


ORSINI-ZEGADA, Luis  and  ESCALANTE-SANDOVAL, Carlos. Flood frequency analysis using synthetic samples. Atmósfera [online]. 2016, vol.29, n.4, pp.299-309. ISSN 0187-6236.

The design flow is the basis for planning and designing different hydraulic works. The precision in estimated flows is important when analyzing the feasibility of such structures because the value directly influences the evaluation of the failure effects. However, due to flow variability, the precision of the estimate is drastically reduced when small samples are used in a conventional flood frequency analysis (FFA). This paper proposes a new approach based on a combined simulation of the annual peak and mean flows. The method was evaluated by considering 10-, 20-, 30-, 40- and 50-yr subsamples obtained from 13 gauging stations located in the Susquehanna River basin. The results were compared with those obtained by FFA and the regional station-year method. This new approach can reduce the uncertainty in estimating the design flow when few data are available.

Keywords : Flood frequency analysis; small samples; synthetic samples; uncertainty.

        · abstract in Spanish     · text in English     · English ( pdf )