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Morphological changes in a low-energy backbarrier

dc.contributor.authorCarrasco, Ana Rita
dc.contributor.authorFerreira, Óscar
dc.contributor.authorFreire, Paula
dc.contributor.authorDias, J. A.
dc.date.accessioned2017-12-04T20:15:31Z
dc.date.available2017-12-04T20:15:31Z
dc.date.issued2009
dc.description.abstractProfile characteristics of low energy sandy beaches include narrow foreshores that are often steep, with reflective swash zones. Seaward of the foreshore a low gradient terrace is generally present, acting as a wave energy filter. Low magnitude changes are usually associated to this type of environments, either cross-or longshore. To examine the short- (between months) and medium-term (from months to years) morphological changes at Ancão backbarrier (Ria Formosa), data from monthly cross-shore surveys was used. The degree of morphological mobility was given by the volumetric variability within specific morphologic units (foreshore, tidal flat and sand spit) and through the analysis of three cross-shore sections. The results show low medium-term variability, not seasonally distributed, and without a direct connection to changes on average wind intensity. The three morphologies are not interdependent and do not show a clear relation on sediment exchanges between them. Low intensity short-term changes are however present, which seem to be related with net sediment adjustments.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.issn0749-0208
dc.identifier.otherAUT: OFE00989
dc.identifier.urihttp://hdl.handle.net/10400.1/10216
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherCoastal Education and Research Foundation / Allen Press Publishing Servicespt_PT
dc.relation.publisherversionhttps://search.proquest.com/docview/1683506130/abstract/E16F08AA9E044EE1PQ/1?accountid=26224pt_PT
dc.subjectBackbarrierpt_PT
dc.subjectVariabilitypt_PT
dc.subjectWindpt_PT
dc.titleMorphological changes in a low-energy backbarrierpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage177pt_PT
oaire.citation.issue56pt_PT
oaire.citation.startPage173pt_PT
oaire.citation.titleJournal of Coastal Researchpt_PT
oaire.citation.volumeSIpt_PT
person.familyNameCarrasco
person.familyNameFerreira
person.givenNameA. Rita
person.givenNameÓscar
person.identifier545203
person.identifier.ciencia-idA31E-1703-4030
person.identifier.ciencia-id1F1C-DF44-94C9
person.identifier.orcid0000-0002-8980-0068
person.identifier.orcid0000-0001-9975-0036
person.identifier.ridD-2235-2016
person.identifier.scopus-author-id15724386100
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationdbfe713e-6ca3-4946-be23-c63049394986
relation.isAuthorOfPublication14adf536-4f81-42de-b00f-6d1cf3b0d75e
relation.isAuthorOfPublication.latestForDiscovery14adf536-4f81-42de-b00f-6d1cf3b0d75e

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