Incorporating likelihood information into multi-objective calibration of conceptual rainfall-runoff models

Alireza NAZEMI*, Andrew H.C. CHAN, Xin YAO

*Corresponding author for this work

Research output: Book Chapters | Papers in Conference ProceedingsConference paper (refereed)Researchpeer-review

Abstract

In this paper, the incorporation of parametric likelihood information into NSGAII algorithm has been attempted in order to preserve solutions with more overall likelihood. The crowded comparison operator in NSGA-II, which is used to select the potential solutions for the next generation, is substituted by likelihood comparison operator which includes the consideration of the likelihood information about the potential solutions rather than their distance from each other. As a result the potential solution with higher overall likelihood measure has more chance to be selected in the next generation. Three different scenarios for the estimation of overall likelihood measure are presented. The modified algorithm is used for calibration of two different conceptual rainfall-runoff models in 24 USA MOPEX catchments. The results show that the new modification results to different searching process which can be compared with NSGA-II from different perspectives.

Original languageEnglish
Title of host publicationProceedings of the iEMSs Fourth Biennial Meeting: International Congress on Environmental Modelling and Software : Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008
EditorsMiquel SÀNCHEZ MARRÈ, Javier BÉJAR, Joaquim COMAS, Andrea E. RIZZOLI, Giorgio GUARISO
Pages346-353
Number of pages8
Publication statusPublished - 2008
Externally publishedYes
Event4th Biennial Meeting of International Congress on Environmental Modelling and Software: Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008 - Barcelona, Catalonia, Spain
Duration: 7 Jul 200810 Jul 2008

Conference

Conference4th Biennial Meeting of International Congress on Environmental Modelling and Software: Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008
Country/TerritorySpain
CityBarcelona, Catalonia
Period7/07/0810/07/08

Keywords

  • Likelihood comparison operator
  • Multi-objective calibration
  • NSGA-II
  • Parametric Likelihood
  • Rainfall-Runoff models

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