Coastal vulnerability assessment: through regional to local downscaling of wave characteristics along the Bay of Lalzit (Albania)

Coastal vulnerability is evaluated against inundation risk triggered by wave run-up through the evaluation of vulnerability levels (referred to as VLs) introduced by Bosom and Jiménez (2011). VLs are assessed through different wave climate characterizations, referring to regional (offshore wave clim...

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Bibliographic Details
Published in:Natural hazards and earth system sciences 2019-01, Vol.19 (1), p.287-298
Main Authors: De Leo, Francesco, Besio, Giovanni, Zolezzi, Guido, Bezzi, Marco
Format: Article
Language:English
Subjects:
Analysis
Climate
Coastal dynamics
Coastal erosion
Coastal geomorphology
Coastal zone
Coastal zone management
Computer applications
Dynamics
Evaluation
Feasibility studies
Forecasts and trends
Geomorphology
Offshore
Regional analysis
Shorelines
Vulnerability
Wave climate
Wave runup
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Summary:Coastal vulnerability is evaluated against inundation risk triggered by wave run-up through the evaluation of vulnerability levels (referred to as VLs) introduced by Bosom and Jiménez (2011). VLs are assessed through different wave climate characterizations, referring to regional (offshore wave climate) or local (nearshore wave climate) scales. The study is set along the Bay of Lalzit, a coastal area near Durrës (Albania). The analysis reveals that the results vary due to uncertainties inherent in the run-up estimation, showing that the computational procedure should be developed by taking into account detailed information about the local wave climate. Different approaches in choosing wave characteristics for run-up estimation significantly affect the estimate of shoreline vulnerability. The analysis also shows the feasibility and challenges of applying VL estimates in contexts characterized by limited data availability through targeted field measurements of the coast geomorphology and an overall understanding of the recent coastal dynamics and related controlling factors.
ISSN:1684-9981
1561-8633
1684-9981
DOI:10.5194/nhess-19-287-2019