Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/88959
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dc.contributor.authorDanielsen, Randi-
dc.contributor.authorCastilho, Ana M.-
dc.contributor.authorDinis, Pedro Alexandre Henriques Dias Morgado-
dc.contributor.authorAlmeida, António Campar de-
dc.contributor.authorTonicher, Pedro Miguel Callapez-
dc.date.accessioned2020-03-16T10:12:13Z-
dc.date.available2020-03-16T10:12:13Z-
dc.date.issued2012-04-
dc.identifier.issn0959-6836pt
dc.identifier.issn1477-0911pt
dc.identifier.urihttps://hdl.handle.net/10316/88959-
dc.description.abstractCoastal dune fields and dune-body associated lakes were studied through sedimentological, malacological and palynological analyses. Lake deposits and palaeosoil horizons gave new information about phases of aeolian activity and dune building, coastline and sea level, vegetation history and cultural impact. After a period of intense aeolian activity (Late Pleistocene) that limited soil-forming processes, a wet aeolian field, recorded by podzolized sands and interdune wetland deposits, was present in the region. Around 5000 to 4000 yr BP sea level reached the current level and the coastline was situated c. 1 km further inland compared with the present situation. Subsequently lagoon-barrier island systems developed c. 4000 yr BP. Vegetation in the region during this time was a pine/oak forest. Between 4000 and 1600 yr BP the forest was replaced by a semi-natural heathland. Later the heathland was degraded, allowing dune migration and finally formation of a desert-like landscape. This process was probably a consequence of a combination of deteriorating climate during the ‘Little Ice Age’ (LIA) and overgrazing. To counteract sand invasion, reforestation efforts were initiated in the region c. 300 years ago and locally along the coastal margin between 1924 and 1940. Formation of the row of freshwater lakes bordering the dune field at present was contemporaneous with the initial reforestation phase. A close relation between lake formation and accumulation of sand dunes was found. Various types of dunes were identified, truncated dunes, parabolic dunes and transverse/oblique dunes. Dune migration caused an eastward displacement of lakes.pt
dc.language.isoengpt
dc.publisherSagept
dc.relationPOCI/CTE-GEX/58951/2004pt
dc.relationSFRH/BD/11100/2002pt
dc.rightsclosedAccesspt
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt
dc.subjectcoastlinept
dc.subjectdunespt
dc.subjectHolocenept
dc.subjectpalynologypt
dc.subjectsea levelpt
dc.subjectsedimentologypt
dc.titleHolocene interplay between a dune field and coastal lakes in the Quiaios– Tocha region, central littoral Portugalpt
dc.typearticleen
degois.publication.firstPage383pt
degois.publication.lastPage395pt
degois.publication.issue4pt
degois.publication.titleThe Holocenept
dc.relation.publisherversionhttps://journals.sagepub.com/doi/10.1177/0959683611425554pt
dc.peerreviewedyespt
dc.identifier.doi10.1177/0959683611425554pt
degois.publication.volume22pt
dc.date.embargo2012-04-01*
uc.date.periodoEmbargo0pt
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextCom Texto completo-
item.openairetypearticle-
item.grantfulltextreserved-
crisitem.author.deptFaculty of Arts and Humanities-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.researchunitCEGOT – Centre of Studies on Geography and Spatial Planning-
crisitem.author.researchunitCentre for Earth and Space Research of the University of Coimbra-
crisitem.author.orcid0000-0001-7558-7369-
crisitem.author.orcid0000-0002-7616-4023-
crisitem.author.orcid0000-0002-6493-2208-
Appears in Collections:I&D CEGOT - Artigos em Revistas Internacionais
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