A probabilistic approach to investigate the effect of wave chorology on process-based morphological modelling

A. Dastgheib, M.R. Rajabalinejad, R. Ranasinghe, D. Roelvink

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Abstract

This paper demonstrates the sensitivity of morphological process-based models to the chronology of input wave conditions. In this research the effect of an emerged offshore breakwater on the morphology of the beach is investigated. A 30 day long morphological simulation with real time history of the wave (brute force - base case) is compared with 150 different simulations of the same case with schematized wave conditions comprising different chronologies. The comparison between each case and the base case is quantified via the Brier Skill Score. This research shows that the skill score of a simulation largely affected by the sequence of the input wave conditions, and the best result is obtained by averaging all 150 simulations.
Original languageEnglish
Title of host publicationPIANC-COPEDEC VIII: Proceedings of the Eight International Conference on Coastal and Port Engineering in Developing Countries
Subtitle of host publication"Meeting the Challenges of the Coastal Environment", IIT Madras, Chennai, India, 20-24 February 2012
PublisherPIANC
Pages708-716
ISBN (Electronic)978-93-80689-06-7
Publication statusPublished - 2012
Externally publishedYes
Event8th International Conference on Coastal and Port Engineering in Developing Countries, PIANC-COPEDEC 2012 - Madras, India
Duration: 20 Feb 201224 Feb 2012
Conference number: 8

Conference

Conference8th International Conference on Coastal and Port Engineering in Developing Countries, PIANC-COPEDEC 2012
Abbreviated titlePIANC-COPEDEC VIII
CountryIndia
CityMadras
Period20/02/1224/02/12

Keywords

  • IR-89086

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