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Droughts in Portugal in the 18th century: a study based on newly found documentary data

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dc.contributor.authorFragoso, Marcelo
dc.contributor.authorCarraça, Maria da Graça
dc.contributor.authorAlcoforado, Maria Joao
dc.date.accessioned2019-07-10T10:07:49Z
dc.date.available2019-07-10T10:07:49Z
dc.date.issued2018
dc.description.abstractA renewed interest in historical droughts is due to the current climate change issues and also to the recent extreme drought of 2017 in Portugal. This work aims to lengthen the historical drought series and help improve projections for the future. The main droughts of the 18th century in mainland Portugal were identified using mostly direct documentary sources: individual (poems, letters, memoirs, manuscripts and printed newspapers) and institutional (ecclesiastical and administrative), as well as accounts of Pro pluvia ceremonies and processions. All the records had been assembled in the KlimHist database (http://clima.ul.pt/Klimhist-project).A summary statistical analysis of the drought evidence including its impacts was performed to assess its temporal distribution and geographical incidence. A strong precipitation variability was detected, which, similar to the present times, hardly presents trends in long series. The main years of drought during the 18th century in Portugal are highlighted, particularly the severe and long-lasting 1737–38 and 1753–54 droughts that, together with their atmospheric causes, were studied in detail. There are more drought records for Southern Portugal (SP) than for Northern Portugal (NP). It was also observed that spring March, April and May (MAM) and winter December, January and February (DJF) drought evidence are more frequent in SP, whereas in NP there are more records concerning summer June, July and August (JJA). The results obtained agree with those of others of the Iberian Peninsula (IP). Despite Portugal being a small country, our results confirm the existence of an important climatic boundary between the NP and the SP with different precipitation variability.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFragoso, M., Carraca, M. D. G., & Alcoforado, M. J. (2018). Droughts in Portugal in the 18th century: a study based on newly found documentary data. International Journal of Climatology, 38(15), 5522-5541. https://doi.org/10.1002/joc.5745pt_PT
dc.identifier.doi10.1002/joc.5745pt_PT
dc.identifier.issn1097-0088
dc.identifier.urihttp://hdl.handle.net/10451/39019
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherRoyal Meteorological Societypt_PT
dc.relationPTDC/ AAC–CLI/119078/2010pt_PT
dc.relation.publisherversionhttps://rmets.onlinelibrary.wiley.com/doi/10.1002/joc.5745pt_PT
dc.subjectClimate reconstructionpt_PT
dc.subjectDocumentary datapt_PT
dc.subjectDroughtpt_PT
dc.subjectPrecipitation variabilitypt_PT
dc.subjectPortugalpt_PT
dc.titleDroughts in Portugal in the 18th century: a study based on newly found documentary datapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FGEO%2F00295%2F2013/PT
oaire.citation.endPage5541pt_PT
oaire.citation.issue15pt_PT
oaire.citation.startPage5522pt_PT
oaire.citation.titleInternational Journal of Climatologypt_PT
oaire.citation.volume38pt_PT
oaire.fundingStream5876
person.familyNameFragoso
person.familyNameAlcoforado Calhau
person.givenNameMarcelo
person.givenNameMaria João
person.identifier189612
person.identifier.ciencia-id701B-F3F7-5673
person.identifier.ciencia-idC813-5CD1-2983
person.identifier.orcid0000-0001-7272-3089
person.identifier.orcid0000-0001-6648-1087
person.identifier.ridF-2991-2010
person.identifier.scopus-author-id23988281600
person.identifier.scopus-author-id6603078097
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication4e54546e-0f1a-4fb9-a9bf-0a112ae955d5
relation.isAuthorOfPublication.latestForDiscoverydd5932d1-bae5-4743-913d-8cfb8d828830
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