<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Dam failure and unsafe dam reservoirs cause extremely serious flooding and affecting the environment and ecosystem in the downstream area. The study applied numerical modelling (MIKE 11, MIKE 21, MIKE FLOOD) combined with GIS technology to simulate flooding due to the collapse of Dong Be reservoir, Thanh Hoa, Vietnam, with flood scenarios of frequency P=1.5% and P=0.5%. The study calibrated and validated the MIKE FLOOD model for two historic flood events in 2010 and 2017. Assessment results show that they were relatively consistent with flood trace survey data. Inundation results in two scenarios show that the inundation area with the P=0.5% scenario tends to increase compared to the P=1.5% scenario. The evaluation of simulation results for flooding under two scenarios, when overlaid with administrative, population, and construction layers, will help assess the impact of dam failure and establish its consequences.</p>
</abstract>

Dam failure and unsafe dam reservoirs cause extremely serious flooding and affecting the environment and ecosystem in the downstream area. The study applied numerical modelling (MIKE 11, MIKE 21, MIKE FLOOD) combined with GIS technology to simulate flooding due to the collapse of Dong Be reservoir, Thanh Hoa, Vietnam, with flood scenarios of frequency P=1.5% and P=0.5%. The study calibrated and validated the MIKE FLOOD model for two historic flood events in 2010 and 2017. Assessment results show that they were relatively consistent with flood trace survey data. Inundation results in two scenarios show that the inundation area with the P=0.5% scenario tends to increase compared to the P=1.5% scenario. The evaluation of simulation results for flooding under two scenarios, when overlaid with administrative, population, and construction layers, will help assess the impact of dam failure and establish its consequences.

Application of Numerical Modeling and GIS for Simulating Inundation Under Dam Failure Scenarios

Civil and Environmental Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

Dam failure and unsafe dam reservoirs cause extremely serious flooding and affecting the environment and ecosystem in the downstream area. The study applied...

Application of Numerical Modeling and GIS for Simulating Inundation Under Dam Failure Scenarios

Published Online: Jun 26, 2024

Page range: 233 - 254

DOI: https://doi.org/10.2478/cee-2024-0019

Keywords
Numerical Modelling, GIS Technology, Inundation, Dam Failure

© 2024 Dong Kim Hanh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Application of Numerical Modeling and GIS for Simulating Inundation Under Dam Failure Scenarios

Published Online: Jun 26, 2024

Page range: 233 - 254

DOI: https://doi.org/10.2478/cee-2024-0019

KeywordsNumerical Modelling, GIS Technology, Inundation, Dam Failure

© 2024 Dong Kim Hanh et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Numerical Modelling, GIS Technology, Inundation, Dam Failure