Combined Influence of Terrain Modell and Roughness in Dam Break Wave Simulation

E3S Web of Conferences. 2018;40:06026 DOI 10.1051/e3sconf/20184006026


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Journal Title: E3S Web of Conferences

ISSN: 2267-1242 (Online)

Publisher: EDP Sciences

LCC Subject Category: Geography. Anthropology. Recreation: Environmental sciences

Country of publisher: France

Language of fulltext: French, English

Full-text formats available: PDF



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Time From Submission to Publication: 6 weeks


Abstract | Full Text

Dam break wave simulation provides data for emergency management. The calculation results should be as accurate as possible. The modeler has to deal with different sources of uncertainty. The paper presents dam break calculation for three different dams in order to assess the uncertainty due to the chosen model (1D or 2D), different terrain models and different Manning's n values. The comparison of the calculation results is focused on the maximum discharge, maximum water level and flood wave arrival time.