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Improving the 14c dating of marine shells from the Canary Islands for constructing more reliable and accurate chronologies

dc.contributor.authorMatos Martins, Jose M.
dc.contributor.authorMederos Martin, Alfredo
dc.contributor.authorCesario Portela, Paulo J.
dc.contributor.authorMonge Soares, Antonio M.
dc.date.accessioned2018-12-07T14:58:30Z
dc.date.available2018-12-07T14:58:30Z
dc.date.issued2012
dc.description.abstractRadiocarbon dating of closely associated marine mollusk shells and terrestrial material (charred wood or bone) collected from archaeological contexts on Tenerife and Fuerteventura islands allowed us to quantify the marine C-14 reservoir effect (Delta R) around the Canary Archipelago. Coastal Fuerteventura has a positive weighted mean Delta R value of +185 +/- 30 C-14 yr, while for Tenerife a range of negative and positive values was obtained, resulting in a Delta R weighted mean value of 0 +/- 35 C-14 yr. These values are in accordance with the hydrodynamic system present off the Canary Islands characterized by a coastal upwelling regime that affects the eastern islands (Fuerteventura and Lanzarote) but not the other islands of the archipelago, namely Tenerife. Because of this oceanographic pattern, we recommend the extrapolation of these results to the remaining islands of the archipelago, i.e. the first value must be used for the eastern islands, while for the central and western islands the acceptable Delta R value is 0 +/- 35 C-14 yr.
dc.identifier.doi10.1017/S0033822200047585
dc.identifier.issn0033-8222
dc.identifier.issn1945-5755
dc.identifier.urihttp://hdl.handle.net/10400.1/12059
dc.language.isoeng
dc.peerreviewedyes
dc.publisherUniv Arizona Dept Geosciences
dc.subjectInstitute radiocarbon-dates
dc.subjectCoastal waters
dc.subjectNorth-Atlantic
dc.subjectUpwelling region
dc.subjectAge calibration
dc.subjectReservoir
dc.subjectHolocene
dc.subjectSamples
dc.subjectOcean
dc.subjectBp
dc.titleImproving the 14c dating of marine shells from the Canary Islands for constructing more reliable and accurate chronologies
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F45528%2F2008/PT
oaire.citation.endPage952
oaire.citation.issue03-abr
oaire.citation.startPage943
oaire.citation.titleRadiocarbon
oaire.citation.volume54
oaire.fundingStreamSFRH
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
relation.isProjectOfPublication370f9287-3638-49f1-9b3b-6e9fe9c9ef10
relation.isProjectOfPublication.latestForDiscovery370f9287-3638-49f1-9b3b-6e9fe9c9ef10

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