Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl
Hydrometeorological models for hydraulic design rely on probability functions to model extreme rainfall. This study compares Log-Gumbel and Log-Pearson III functions using data from Almodóvar reservoir (Cádiz). Log-Gumbel, a variation of the Gumbel distribution, yields higher, safer estimates for lo...
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Universidad Politécnica de Madrid
2025-04-01
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| Series: | Anales de Edificación |
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| Online Access: | https://polired.upm.es/index.php/anales_de_edificacion/article/view/5516 |
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| author | Raúl Montes-Pajuelo Ángel Mariano Rodríguez-Pérez Julio José Caparrós-Mancera César Antonio Rodríguez-González |
| author_facet | Raúl Montes-Pajuelo Ángel Mariano Rodríguez-Pérez Julio José Caparrós-Mancera César Antonio Rodríguez-González |
| author_sort | Raúl Montes-Pajuelo |
| collection | DOAJ |
| description | Hydrometeorological models for hydraulic design rely on probability functions to model extreme rainfall. This study compares Log-Gumbel and Log-Pearson III functions using data from Almodóvar reservoir (Cádiz). Log-Gumbel, a variation of the Gumbel distribution, yields higher, safer estimates for long return periods (T), but is highly sensitive to data changes. Log-Pearson III, widely used and more stable, shows consistent results despite data variability. For designs with limited or variable data—common in hydraulic works—Log-Pearson III is preferred. However, for urban drainage where safety is prioritized over stability, Log-Gumbel offers a conservative alternative for high T values. |
| format | Article |
| id | doaj-art-7f2836d4e022401a9d2f4df44b91374a |
| institution | Kabale University |
| issn | 2444-1309 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Universidad Politécnica de Madrid |
| record_format | Article |
| series | Anales de Edificación |
| spelling | doaj-art-7f2836d4e022401a9d2f4df44b91374a2025-08-25T11:45:24ZengUniversidad Politécnica de MadridAnales de Edificación2444-13092025-04-01111586110.20868/ade.2025.55168443Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúlRaúl Montes-Pajuelo0Ángel Mariano Rodríguez-Pérez1Julio José Caparrós-Mancera2César Antonio Rodríguez-González3University of HuelvaUniversity of AlmeríaUniversity of HuelvaUniversity of HuelvaHydrometeorological models for hydraulic design rely on probability functions to model extreme rainfall. This study compares Log-Gumbel and Log-Pearson III functions using data from Almodóvar reservoir (Cádiz). Log-Gumbel, a variation of the Gumbel distribution, yields higher, safer estimates for long return periods (T), but is highly sensitive to data changes. Log-Pearson III, widely used and more stable, shows consistent results despite data variability. For designs with limited or variable data—common in hydraulic works—Log-Pearson III is preferred. However, for urban drainage where safety is prioritized over stability, Log-Gumbel offers a conservative alternative for high T values.https://polired.upm.es/index.php/anales_de_edificacion/article/view/5516modellinghydrological engineeringprecipitation distribution functionsdrainage in urban areas |
| spellingShingle | Raúl Montes-Pajuelo Ángel Mariano Rodríguez-Pérez Julio José Caparrós-Mancera César Antonio Rodríguez-González Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl Anales de Edificación modelling hydrological engineering precipitation distribution functions drainage in urban areas |
| title | Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl |
| title_full | Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl |
| title_fullStr | Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl |
| title_full_unstemmed | Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl |
| title_short | Distribution probability functions for models applied to hydraulic works in urban areas: LOG-GUMBEL vs LOG-PEARSON IIIRaúl |
| title_sort | distribution probability functions for models applied to hydraulic works in urban areas log gumbel vs log pearson iiiraul |
| topic | modelling hydrological engineering precipitation distribution functions drainage in urban areas |
| url | https://polired.upm.es/index.php/anales_de_edificacion/article/view/5516 |
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