Distribution Gev
Mostrando 1-12 de 22 artigos, teses e dissertações.
-
1. Bayesian modeling of the maximum streamflows from the Furnas reservoir
ABSTRACT The objective of this work was to predict the maximum flow of the Furnas reservoir in the dry and wet periods. The generalized distribution of extreme values (GEV) was used with parameter estimation via Bayesian inference. Data on average daily streamflows corresponding to the years 1965 to 2017 were obtained from Hidroweb, by the National Agency fo
Engenharia Sanitaria e Ambiental. Publicado em: 2022
-
2. Development of Intensity-Duration-Frequency Curves of Intense Rainfall With Emphasis on the Behavior of the Upper Tail of the Distribution
Resumo O projeto e gestão de várias estruturas hidráulicas (tais como: drenos pluviais, pontes e barragens) requerem a estimativa da precipitação com duração de alguns minutos até 24 horas ou mais. As curvas de intensidade-duração-frequência (IDF) vinculam a probabilidade de ocorrência a uma determinada intensidade de chuva. A obtenção das curv
Revista Brasileira de Meteorologia. Publicado em: 2022
-
3. Selecting “the best” nonstationary Generalized Extreme Value (GEV) distribution: on the influence of different numbers of GEV-models
ABSTRACT The selection of an appropriate nonstationary Generalized Extreme Value (GEV) distribution is frequently based on methods, such as Akaike information criterion (AIC), second-order Akaike information criterion (AICc), Bayesian information criterion (BIC) and likelihood ratio test (LRT). Since these methods compare all GEV-models considered within a s
Bragantia. Publicado em: 13/12/2019
-
4. Using climate change models to assess the probability of weather extremes events: a local scale study based on the generalized extreme value distribution
ABSTRACT Regional climate models (e.g. Eta) nested to global climate models (e.g. HadGEM2-ES and MIROC5) have been used to assess potential impacts of climate change at regional scales. This study used the generalized extreme value distribution (GEV) to evaluate the ability of two nested models (Eta-HadGEM2-ES and Eta-MIROC5) to assess the probability of dai
Bragantia. Publicado em: 11/02/2019
-
5. SPATIALIZATION OF THE ANNUAL MAXIMUM DAILY RAINFALL IN SOUTHEASTERN BRAZIL
ABSTRACT Extreme rainfall can lead to heavy damage and losses, such as landslides, floods and agricultural productivity as well as the loss of human and animal lives. To mitigate these losses, water resources management policies are needed, among other goals, to study and predict the frequency of such events in a given region to minimize their harmful effect
Eng. Agríc.. Publicado em: 2019-02
-
6. ESTIMATE OF REFERENCE EVAPOTRANSPIRATION THROUGH CONTINUOUS PROBABILITY MODELLING
ABSTRACT This study aimed at testing the fit of continuous probability distributions to a daily reference evapotranspiration dataset (ET0) at a 75% probability level for designing of irrigation systems. Reference evapotranspiration was estimated by the Penman-Monteith method (FAO-56-PM) for eight locations, within the state of Espírito Santo (Brazil), where
Eng. Agríc.. Publicado em: 2017-04
-
7. Generation of stationary Gaussian processes and extreme value distributions for high-cycle fatigue models - application to tidal stream Turbines
The operating environment of tidal stream turbines is random due to the variability of the sea flow (turbulence, wake, tide, streams, among others). This yields complex time-varying random loadings, making it necessary to deal with high cycle multiaxial fatigue when designing such structures. It is thus required to apprehend extreme value distributions of st
J. Braz. Soc. Mech. Sci. & Eng.. Publicado em: 2012
-
8. Sobre a evolução hidrodinâmica da matéria nuclear criada em colisões de íons pesados relativísticos - um estudo com condições iniciais flutuantes / On the hydrodynamic evolution of the nuclear matter created in relativistic heavy ion collisions - a study with fluctuating initial conditions
In this work we apply a hydrodynamic model with fluctuating initial conditions in a event by event basis to study some observables in relativistic heavy ion collisions. We show that the introduction of fluctuations, characterized by longitudinal high energy density tubes, turn the computation of the observables closer to data, in comparison to the traditiona
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/09/2011
-
9. A multiparton model for pp / p$\bar{p}$ inelastic scattering
We have applied a geometrical approach to study pp / p$\bar{p}$ inelastic scattering over the range of center mass energies from 44.5 to 900 GeV. The multiplicity distributions are described by multiple parton-parton collisions without free parameters. The output seems to be consistent with data and the results are discussed. Exploring the possible connectio
Brazilian Journal of Physics. Publicado em: 2008-12
-
10. Z' production in 331 models
We analyse the possibilities to detect a new Z' boson in di-electron events at LHC in the framework of the 331 model with right-handed neutrinos. For an integrated luminosity of 100fb-1 at LHC, and considering a central value Mz' = 1500 GeV, we obtain the invariant mass distribution in the process pp → Z' → e+e-, where a huge peak, corresponding to 800 s
Brazilian Journal of Physics. Publicado em: 2008-09
-
11. DistribuiÃÃo de freqÃÃncia e temporal de chuvas intensas.
Este trabalho visa contribuir para o planejamento de atividades que sÃo influenciadas pela intensidade da Ãgua precipitada, em que os resultados condicionam decisÃes de ordem tÃcnica ou estratÃgica em atividades como agropecuÃria, construÃÃo civil e turismo. O objetivo à ajustar um modelo de distribuiÃÃo de probabilidades de chuva intensa pela dis
Publicado em: 2008
-
12. High-energy gamma-ray production in microquasars
A hadronic model for gamma-ray production in microquasars is presented. Microquasars are galactic binary systems with jets, which have, presumably, hadronic components. We consider a microquasar formed by a neutron star that accretes matter from the equatorial wind of a Be primary star. The collision between the jet, emitted by the compact object, and the de
Brazilian Journal of Physics. Publicado em: 2007-07