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Postglacial sea-level rise and sedimentar response in the Guadiana Estuary, Portugal/Spain border

2002Journal article Open Access
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dc.contributor.authorBoski, T.
dc.contributor.authorMoura, Delminda
dc.contributor.authorVeiga-Pires, C.
dc.contributor.authorCamacho, Sarita
dc.contributor.authorDuarte, Duarte
dc.contributor.authorScott, David
dc.contributor.authorFernandes, Sandro
dc.date.accessioned2013-03-25T15:59:47Z
dc.date.available2013-03-25T15:59:47Z
dc.date.issued2002
dc.description.abstractThe study of sedimentological features, foraminifera and molluscan fauna in samples recovered from four rotary boreholes permitted, after 14C dating, the first assessment of the post-glacial transgression in Guadiana River Estuary. The Holocene sequence is underlain by coarse sediments from delta fan enclosing continental swamp deposits dated 16980 year BP. The Holocene sedimentary sequence was deposited either directly on this delta fan gravels or on top of fluvial sands deposited probably between 11000 and 10000 yr BP. An accelerated phase of the estuary infilling by clayey sediments containing the saltmarsh foraminifer Trochammina, began ca. 9800 year BP, when sea level was about 39 m below present. Between 7500 and 7000 year BP, the central part of the estuary started to accommodate coarser sediments, partially introduced from the continental shelf. The first phase of Holocene sea-level rise at a rate of 0.85 m/century terminated ca. 6500 year BP. Since then, lagoonal sediments in the vicinity of the estuary have been enclosed behind sand spits and predominantly sandy sedimentation was initiated within the estuary. After a second phase of slower rise at the rate of 0.3 m/century, which lasted until ca. 5000 year BP, the sea approached the present level.por
dc.description.sponsorshipINTERREG II programme, DISIPOL Project (Sediment Dynamics and Pollutant Dissipation in Guadiana River Estuary)por
dc.identifier.otherhttp://dx.doi.org/10.1016/S0037-0738(01)00270-6
dc.identifier.otherAUT: DMO00293;
dc.identifier.urihttp://hdl.handle.net/10400.1/2630
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.subjectHolocenepor
dc.subjectTransgressionpor
dc.subjectEstuarypor
dc.subjectInfillingpor
dc.subjectForaminiferapor
dc.subjectGulf of Cadizpor
dc.titlePostglacial sea-level rise and sedimentar response in the Guadiana Estuary, Portugal/Spain borderpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage122por
oaire.citation.startPage103por
oaire.citation.titleSedimentary Geologypor
oaire.citation.volume150por
person.familyNameBoski
person.familyNameMoura
person.familyNameVeiga-Pires
person.familyNameCamacho
person.familyNameRamos Duarte
person.givenNameTomasz
person.givenNameDelminda
person.givenNameCristina
person.givenNameSarita
person.givenNameDuarte Nuno
person.identifier113325
person.identifierM-7704-2013
person.identifier.ciencia-id1416-B317-51D1
person.identifier.ciencia-id4A1F-CEDA-E66C
person.identifier.ciencia-id9B1A-D006-F736
person.identifier.ciencia-idA612-75F1-D76E
person.identifier.orcid0000-0003-2462-4179
person.identifier.orcid0000-0002-0952-6805
person.identifier.orcid0000-0002-9323-0723
person.identifier.orcid0000-0002-2986-7156
person.identifier.orcid0000-0001-6747-0937
person.identifier.ridB-5144-2008
person.identifier.ridE-9559-2015
person.identifier.scopus-author-id6602267486
person.identifier.scopus-author-id15048413000
person.identifier.scopus-author-id7801372905
person.identifier.scopus-author-id49160964900
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
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