Modeling of Flood Hazard and Assessment of Inundation Impacts, Vulnerability and Risk in Coastal Areas

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Oceans and Coastal Zones".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 659

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Guest Editor
Laboratory of Maritime Engineering, School of Civil Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: coastal engineering; storm surge modeling; wave modeling; surf zone dynamics; coastal flooding; coastal inundation models; operational forecasts; climate change impacts; coastal zone management; sea level variations
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Guest Editor
1. Laboratory of Maritime Engineering and Maritime Works, Oceanography and Coastal Engineering Group (OCE Group), Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Laboratory of Physical and Chemical Oceanography, Department of Marine Sciences, University of the Aegean, 81100 Mitilini, Greece
Interests: physical oceanography; coastal engineering; ocean hydrodynamics; operational forecasts; storm surges; observational studies; satellite oceanography; coastal inundation; sea level variations; climate change impacts
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The impacts of coastal inundation due to storm surges, high tides, meteo-tsunamis, intense wave action etc. can be disastrous and will likely be enhanced in the 21st century based on the projected future changes of climatic conditions. Moreover, compound flooding in coastal areas, i.e., the total inundation due to simultaneous extreme sea levels, heavy precipitation, large surface water runoff, and river/stream overflow, has been identified as the most prominent hazard in both natural and built/urban coastal environments.

Relevant to the above, this Special Issue covers various hot topics of modern research, i.e., the very high-resolution modelling of flood hazards in coastal areas in order to support the detailed identification of inundation impacts at low-lying littoral areas. It also focuses on the assessment of exposure, vulnerability, resilience and flood risk in both the natural environment and urban settings of the coastal zone.

To this end, we invite authors to submit papers addressing recent advances in fine-scale modelling, process-based approaches, remote sensing, field studies, hazard and exposure assessment methods to investigate coastal flooding impacts for both short-term forecasting and long-term flood risk analyses. Papers addressing flood mitigation measures and specific case studies about coastal flooding impacts and assessment of related costs are also welcomed. Submitting research about the drivers of coastal floods, such as sea level rise, storm surges/tides, (meteo-)tsunamis and extreme wave conditions is further encouraged. Conclusively, we seek new contributions to recent technological solutions in data acquisition and production of very high-resolution/-accuracy datasets of floodwater inundation in the coastal zone.

The following thematic areas are targeted:

  • detailed GIS approaches for flooding scenarios in coastal areas
  • high-resolution digital terrain models in the coastal zone
  • powerful high-resolution modelling tools for the investigation of coastal flooding
  • advances in reduced complexity modelling approaches
  • parallel modelling approaches and fine-scale raster-based modelling
  • assessment of inundation impacts in coastal areas
  • calculation of building-level or element-at-risk exposure to coastal floods
  • extreme value analyses of total water level on the coastline
  • effects of sea level rise and extreme storm surges/tides and waves in the coastal zone
  • remote sensing, field observations and modelling of sea level rise trends
  • storm surge, wave, and tsunami modelling for coastal inundation
  • flood hazard and risk assessment in coastal regions
  • flash- and compound-flood modelling
  • climate change-driven coastal inundation
  • early warning systems for flood inundation in coastal areas
  • coastal inundation hazard risk analysis and assessment
  • innovations in coastal flood hazard and risk mapping
  • numerical simulation of inundation in the existence of flood defence structures
  • coastal flood impacts forecasting, operational forecast issues, and management of first-level response and recovery
  • emerging technologies in coastal flood prediction and management
  • coastal flooding physical processes and dynamics
  • investigation of adaptation, resilience and intervention options against flooding in coastal areas
  • improved understanding of coastal hazards
  • marine, hydrologic, and hydraulic model coupling for compound flooding
  • wave overtopping of coastal defences, dune overflow and breaching, failure of sewage systems

Dr. Christos Makris
Dr. Yannis Androulidakis
Guest Editors

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  • coastal flooding
  • coastal inundation
  • compound flooding
  • coastal flood risk
  • storm surge
  • climate change impacts
  • operational forecasting of floods
  • early warning systems
  • sea level rise
  • wave-induced flooding

Published Papers (1 paper)

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19 pages, 14083 KiB  
Inundation Hazard Assessment in a Chinese Lagoon Area under the Influence of Extreme Storm Surge
by Cifu Fu, Tao Li, Kaikai Cheng and Yi Gao
Water 2024, 16(14), 1967; - 11 Jul 2024
Viewed by 338
Assessing the hazard of inundation due to extreme storm surges in low-lying coastal areas and fragile ecosystems has become necessary and important. In this study, Xincun Lagoon and Li’an Lagoon in the Lingshui area of Hainan, China, were selected as the study areas, [...] Read more.
Assessing the hazard of inundation due to extreme storm surges in low-lying coastal areas and fragile ecosystems has become necessary and important. In this study, Xincun Lagoon and Li’an Lagoon in the Lingshui area of Hainan, China, were selected as the study areas, a high-resolution storm surge inundation numerical model was established, and the model reliability was tested. Based on data on typhoons affecting the study area from 1949 to 2022, the typhoon parameters for the extreme storm surge scenario were set and used for model numerical simulation and hazard assessment. The results revealed that in the extreme storm surge scenario, the average maximum tidal level, average maximum flow velocity, maximum inundation area, and average maximum inundation depth in the lagoon area were 2.29 m, 1.03 m/s, 14.8124 km2, and 1.20 m, respectively. Under the extreme storm surge scenario, a flow velocity of 2.0 m/s off the coasts of the lagoons could damage coastal aquaculture facilities, harbors, and ecosystems, while an inundation depth exceeding 1 m along the coasts of the lagoons could lead to the salinization of inundated land and severely affect the safety of residents. The hazard analysis of storm surge inundation in the land area of the lagoons revealed that hydrographic nets and coastal wetlands are the major land types inundated by storm surges, with the two accounting for approximately 70% of the total inundation area. According to China’s technical guidelines, the hazard levels of the inundated land area of the lagoons are mostly level 3 (moderate hazard) and level 2 (high hazard), together accounting for approximately 90% of the total inundation area. If the government deems the measures feasible based on strict estimation and scientific evaluation of economic benefits and disaster prevention, planting mangroves in coastal wetlands and/or establishing adjustable tidal barriers at narrow entrances to lagoons could minimize disaster losses. Full article
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