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Contribution of storms to shoreline changes in mesotidal dissipative beaches: case study in the Gulf of Cadiz (SW Spain)

dc.contributor.authorPuig, Maria
dc.contributor.authorDel Rio, Laura
dc.contributor.authorPlomaritis, Theocharis A.
dc.contributor.authorBenavente, Javier
dc.date.accessioned2017-04-07T15:55:41Z
dc.date.available2017-04-07T15:55:41Z
dc.date.issued2016-12
dc.description.abstractIn this study an analysis of storminess and rates of shoreline change is performed and discussed jointly in four geomorphological units of the Gulf of Cadiz (SW Spain) for the period of 1956-2010. For this purpose, storm events are identified based on the following characteristics: wave height above 2.5 m, a minimum duration of 12 h and events with calm periods of less than 24 h were considered as a single event. Subsequently, energy parameters are determined in order to characterize storm-induced impacts. Conversely, geographic information system (GIS) tools are used to measure shoreline changes in aerial photographs and orthophotographs of each site, selecting the high water line as shoreline proxy. Each geomorphological unit is divided into different behavioural patterns according to recorded coastal changes, so that each one shows a particular behaviour.In general the variability of shoreline changes that is explained by storms and the relation between storm parameters and coastal changes present better results in exposed areas (Cadiz and Vistahermosa) than in sheltered areas (Valdelagrana spit barrier) because the former are more sensitive to storm impacts. On the contrary, in areas where there is no relation between coastal changes and storm parameters (Valdelagrana and Sancti Petri sand spit), it is suggested that anthropogenic factors are the main forcing agents determining shoreline behaviour. However, in these areas the storminess also modulates coastline recession by increasing erosion when the number of storms is high.
dc.identifier.doi10.5194/nhess-16-2543-2016
dc.identifier.issn1561-8633
dc.identifier.urihttp://hdl.handle.net/10400.1/9190
dc.language.isoeng
dc.peerreviewedyes
dc.relationResilience-Increasing Strategies for Coasts - toolKIT
dc.relation.isbasedonWOS:000389217400001
dc.titleContribution of storms to shoreline changes in mesotidal dissipative beaches: case study in the Gulf of Cadiz (SW Spain)
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleResilience-Increasing Strategies for Coasts - toolKIT
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/603458/EU
oaire.citation.endPage2557
oaire.citation.issue12
oaire.citation.startPage2543
oaire.citation.titleNatural Hazards and Earth System Sciences
oaire.citation.volume16
oaire.fundingStreamFP7
person.familyNamePlomaritis
person.givenNameTheocharis A.
person.identifier.ciencia-idFB1D-6248-EB10
person.identifier.orcid0000-0002-9819-0927
person.identifier.scopus-author-id22836553200
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublication2937a782-dc45-4019-9dc3-7ad13f729c1c
relation.isAuthorOfPublication.latestForDiscovery2937a782-dc45-4019-9dc3-7ad13f729c1c
relation.isProjectOfPublication32d71a50-4c49-45ec-a98d-dee9226309ca
relation.isProjectOfPublication.latestForDiscovery32d71a50-4c49-45ec-a98d-dee9226309ca

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