Managing erosion-induced problems in NW Mediterranean urban beaches

Jiménez, José A.; Gràcia, Vicente; Valdemoro, Herminia I.; Mendoza, Edgar; Sánchez‐Arcilla, Agustín

doi:10.1016/j.ocecoaman.2011.05.003

Cited by 71 publications

(81 citation statements)

References 12 publications

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“…For protection, the optimum beach has to be wide enough to dissipate the energy supplied by a storm of a given return period, Tr, (Bosom and Jiménez, 2011;Jiménez et al 2011). The Tr value to be considered depends on the importance of values at exposure to be protected.…”

Section: Impact On Beach Functionsmentioning

confidence: 99%

Impacts of sea-level rise-induced erosion on the Catalan coast

et al. 2016

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The Catalan coast as most of the developed Mediterranean coastal zone is characterized by the coincidence of stresses and pressures on the natural system with a high exposure and low adaptive capacity. Due to this, Climate Change-induced effects will increase natural hazards and aggravate their associated impacts and, in consequence, it is necessary to assess their effects for proper long-term management. In this work, we assess the impact of sea-level rise (SLR) induced shoreline retreat on the Catalan coast for three scenarios ranging from 0.53 m to 1.75 m by the year 2100. Implications are analyzed in terms of affectation of two main functions provided by beaches, i.e. recreation and protection. Obtained results show that CC will be a serious threat to analyzed functions since the expected enhanced shoreline retreat will severely decrease the recreational carrying capacity and, the capacity of protection in the near future under tested scenarios. The actual level of development along the coastal zone reduces the natural resilient capacity of beaches to SLR in such a way that, the lack of accommodation space can be identified as a main factor for the estimated impacts.

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Section: Impact On Beach Functionsmentioning

confidence: 99%

Impacts of sea-level rise-induced erosion on the Catalan coast

et al. 2016

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“…They also found that about 50% of the municipalities had suffered erosion-related problems affecting existing beach infrastructures. Within this context, any significant variation in the beach surface may significantly affect beach use and exploitation (Valdemoro and Jiménez 2006;Jiménez et al 2011) and it is a common feature in most of the Mediterranean coastline (e.g. Semeoshenkova and Newton 2015; Alexandrakis et al 2015;Foteinis and Synolakis 2015;Rodella et al 2017).…”

Section: Discussionmentioning

confidence: 99%

“…Beach configuration for the protection function is determined by the beach width required to dissipate the energy of a storm for a given probability of occurrence (Bosom and Jiménez 2011;Jiménez et al 2011). This is equivalent to a beach wider than the storminduced erosion associated with such probability.…”

Section: Beach Functional Vulnerability (Bfv) and Spatial Integrationmentioning

confidence: 99%

Erosion consequences on beach functions along the Maresme coast (NW Mediterranean, Spain)

et al. 2017

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A methodology to analyse the influence of erosion on beach functions at a regional scale is presented. The method considers erosion hazards at different timescales and assesses consequences by evaluating impacts on recreation and protection functions. To provide useful information to decision makers for managing these functions, hazard and consequences are integrated at the municipal level within a risk matrix. This methodology is applied at the Maresme, a 45-km sandy coast situated northward of Barcelona, which supports a strong urban and infrastructure development as well as an intensive beach recreational use. Obtained results indicate differentiated erosion implications along the region, depending on the management target considered. Thus, southern municipalities are more prone to erosion affecting the protection function of the beach and leisure use by the local population, whereas erosion will have a greater effect on foreign tourism in the northern municipalities. These results highlight the necessity to employ an articulated erosion risk assessment focusing on specific targets depending on the site in question. This methodology can help coastal managers to adopt tailored measures to manage erosion impacts towards specific goals, in a more efficient and sustainable manner.

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“…It consists of a coastline 600 km long with about 280 km of beaches. Coastal damage has increased during the last decades along regional coasts as a result of the increasing exposure along the coastal zone and progressive narrowing of existing beaches (Jiménez et al, 2012) through dominant erosive behaviour due to net littoral drift (Jiménez et al, 2011). Locations experiencing storm-induced problems 25 are present along the entire coastline, and especially concentrated in areas experiencing the largest decadal-scale shoreline erosion rates.…”

Section: Tordera Delta Catalunya (Spain)mentioning

confidence: 99%

Linking source with consequences of coastal storm impacts for climate change and risk reduction scenarios for Mediterranean sandy beaches

Sanuy¹,

Duo²,

Jäger³

et al. 2017

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Abstract. Integrated risk assessment approaches to support coastal managers' decisions when designing plans are 10 increasingly becoming an urgent need. To enable efficient coastal management, possible present and future scenarios must be included, disaster risk reduction (DRR) measures integrated, and multiple hazards dealt with. In this work, the Bayesian Network approach to coastal risk assessment was applied and tested at two Mediterranean sandy coasts (Tordera Delta in Spain and Lido degli Estensi-Spina in Italy). Process-oriented models are used to predict hazards at the receptor scale based on a large number of storm characteristics. Hazards are converted into impacts through vulnerability relations. A Bayesian 15Network integrates all results to link forcing characteristics with expected impacts through conditional probabilities. The tool has been proven successful in reproducing current coastal responses at both sites. It has also shown great utility for scenario comparisons, and is able to output significant impact change trends, despite the inherent uncertainties of the approach. This work highlights the advantages of using such a tool for present and future coastal risk assessment and planning. 20

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Managing erosion-induced problems in NW Mediterranean urban beaches

Cited by 71 publications

References 12 publications

Impacts of sea-level rise-induced erosion on the Catalan coast

Impacts of sea-level rise-induced erosion on the Catalan coast

Erosion consequences on beach functions along the Maresme coast (NW Mediterranean, Spain)

Linking source with consequences of coastal storm impacts for climate change and risk reduction scenarios for Mediterranean sandy beaches

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