Coastal inundation risk assessment due to subsidence and sea level rise in a Mediterranean alluvial plain (Volturno coastal plain – southern Italy)

Aucelli, Pietro P. C.; Paola, Gianluigi Di; Incontri, Pietro; Rizzo, Angela; Vilardo, G.; Benassai, Guido; Buonocore, Berardino; Pappone, Gerardo

doi:10.1016/j.ecss.2016.06.017

Cited by 89 publications

(81 citation statements)

References 42 publications

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“…dunes) and the reduced amount of available sand to naturally nourish the beaches. Land subsidence is a critical issue when analysing coastal risk (Aucelli et al, 2016;Perini et al, 2017) and future studies should take into account this important characteristic of the regional coast.…”

Section: Discussionmentioning

confidence: 99%

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Armaroli

Duo

2018

Coastal Engineering

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A B S T R A C TThe Italian coasts are threatened by coastal flooding and erosion. The Emilia-Romagna region coastline is exposed to marine storms because of its low-lying nature and massive urbanization. Regional managers need comprehensive tools for coastal storm risk assessment. The RISC-KIT Coastal Risk Assessment Framework (CRAF) provides a conceptual framework, which includes hazard, exposure and vulnerability evaluation, to implement a screening process able to identify littoral zones that can be classified as hotspots (Phase 1) and to successively rank the identified hotspots to select the most critical ones (Phase 2). This study includes the results of the implementation of CRAF Phase 1 in the Emilia-Romagna coast. The method is based on a Coastal Index approach, calculated for 1 km length coastal sectors, applied taking into account both hazard and exposure indicators. The general methodology was partly modified thanks to the strong collaboration with the End-User (Servizio Geologico Sismico e dei Suoli, SGSS) which provided data, suggestions and comments at every step of the implementation. The SGSS also provided data to validate the outcomes of the CRAF methodology. Thus, the critical areas identified by the CRAF were compared with historical (1946-2010) storm impacts, resulting in a reasonable agreement between the identified hotspots.

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Section: Discussionmentioning

confidence: 99%

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Armaroli

Duo

2018

Coastal Engineering

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“…The IDW approach is commonly used to interpolate scattered points, thus allowing preservation of local variability of the data and reliable results [37,79,80]. An interpolation method, consisting of a quadratic weighting power of 2 within a 500-m radius neighborhood [16,33], was used to obtain 50-m regularly spaced grids.…”

Section: Methodsmentioning

confidence: 99%

“…formed by Holocene dune ridge, which develops in NW-SE direction at approximately 4 km inland with respect to the present-day current shoreline. The ridge is locally interrupted by the linear erosion processes associated with the course of the Volturno River, Regi Lagni channel and Patria Lake emissary [37]. The Volturno plain is characterized by a locally high concentration of infrastructure (roads, railways, etc.)…”

Section: Introductionmentioning

confidence: 99%

Subsidence Trends of Volturno River Coastal Plain (Northern Campania, Southern Italy) Inferred by SAR Interferometry Data

et al. 2018

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Abstract:The Volturno Plain is one of the largest alluvial plains of peninsular Italy, which is one of the most susceptible plains to coastal hazards. This area is characterized by both natural and human-induced subsidence. This present study is based on the post-processing, analysis and mapping of the available Persistent Scatterer interferometry datasets. The latter were derived from the combination of both ascending and descending orbits of three different radar satellite systems during an observation period of almost two decades (June 1992-September 2010). The main output of this study is a map of vertical deformation, which provides new insights into the areal variability of the ground deformation processes (subsidence/uplift) of Volturno plain over the last few decades. The vertical displacement values obtained by the post-processing of the interferometric data show that the Volturno river plain is characterized by significant subsidence in the central axial sectors and in the river mouth area. Moderate uplift is detected in the eastern part of the plain, whereas other sectors of the study area are characterized by moderate subsidence and/or stability. On the basis of the analyzed subsoil stratigraphy, we inferred that the subsidence recorded in the Volturno plain is mainly a consequence of a natural process related to the compaction of the fluvial and palustrine deposits that form the alluvial plain. The anthropic influences (e.g., water exploitation, urbanization) are substantially considered to be an additional factor that may enhance subsidence only locally. The uplift mapped in the eastern sector of the plain is related to the tectonic activity. The study of the subsidence in the Volturno plain is a valuable tool for river flood analyses and the assessment of the coastal inundation hazards and related risk mitigation.

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“…The monitoring and the forecasting of beach processes become particularly critical along the unstable coastal areas, possibly subjected to coastal vulnerability , and coastal risk due to sea level rise (Benassai et al, 2015) and subsidence (Aucelli et al, 2017). The evolution of winds, waves and wind-driven sea circulation is of great applicative relevance for the observation of oceanographic phenomena (Bidlot et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Rip current evidence by hydrodynamic simulations, bathymetric surveys and UAV observation

Benassai

Aucelli

Budillon

et al. 2017

Nat. Hazards Earth Syst. Sci.

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Abstract. The prediction of the formation, spacing and location of rip currents is a scientific challenge that can be achieved by means of different complementary methods. In this paper the analysis of numerical and experimental data, including RPAS (remotely piloted aircraft systems) observations, allowed us to detect the presence of rip currents and rip channels at the mouth of Sele River, in the Gulf of Salerno, southern Italy. The dataset used to analyze these phenomena consisted of two different bathymetric surveys, a detailed sediment analysis and a set of high-resolution wave numerical simulations, completed with Google Earth ™ images and RPAS observations. The grain size trend analysis and the numerical simulations allowed us to identify the rip current occurrence, forced by topographically constrained channels incised on the seabed, which were compared with observations.

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Coastal inundation risk assessment due to subsidence and sea level rise in a Mediterranean alluvial plain (Volturno coastal plain – southern Italy)

Cited by 89 publications

References 42 publications

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Validation of the coastal storm risk assessment framework along the Emilia-Romagna coast

Subsidence Trends of Volturno River Coastal Plain (Northern Campania, Southern Italy) Inferred by SAR Interferometry Data

Rip current evidence by hydrodynamic simulations, bathymetric surveys and UAV observation

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