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Climate change impacts on water resources and reservoir management: uncertainty and adaptation for a mountain catchment in Northeast Portugal

2017Journal article Open access
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dc.contributor.authorCarvalho-Santos, Cláudia
dc.contributor.authorMonteiro, António T.
dc.contributor.authorAzevedo, João
dc.contributor.authorHonrado, João P.
dc.contributor.authorNunes, João Pedro
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-01-30T11:51:28Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-01-30T11:51:28Z
dc.date.issued2017
dc.description.abstractReservoirs often play an important role in mitigating water supply problems. However, the implications of climate change are not always considered in reservoir planning and management. This study aimed to address this challenge in the Alto Sabor watershed, northeast Portugal. The study analysed whether or not the shortage of water supply can be effectively addressed through the construction of a new reservoir (two-reservoir system) by considering future climate projections. The hydrological model Soil and Water Assessment Tool (SWAT) was calibrated and validated against daily-observed discharge and reservoir volume, with a good agreement between model predictions and observations. Outputs from four General Circulation Models (GCM) for two scenarios (RCP 4.5 and 8.5) were statistically downscaled and bias-corrected with ground observations. A general increase in temperature is expected in the future while the change in precipitation is more uncertain as per the differences among climatic models. In general, annual precipitation would slightly decrease while seasonal changes would be more significant, with more precipitation in winter and much less in spring and summer. SWAT simulations suggest that the existence of two-reservoir will better solve the water supply problems under current climate conditions compared to a single-reservoir system. However in the future, the reliability of this solution will decrease, especially due to the variability of projections from the different climatic models. The solution to water supply problems in this region, adopted taking only present-day climate into account, will likely be inefficient for water supply management under future climate conditions.pt_PT
dc.description.sponsorshipThis work was funded by FEDER funds through the Operational Programme for Competitiveness Factors - COMPETE and by National Funds through FCT - Foundation for Science and Technology under the project PTDC/AAG-MAA/4539/2012 / FCOMP-01-0124-FEDER-027863 (IND_CHANGE). J.P. Nunes was financially supported by FCT (Portuguese Science Foundation), and the European Social Fund through post-doctoral grant (SFRH/BPD/87571/2012). A.T. Monteiro is supported by FEDER funds through the Operational Programme for Competitiveness Factors - COMPETE and by National Funds through FCT - Foundation for Science and Technology under the UID/BIA/50027/2013 and POCI-01-0145-FEDER-006821. The authors would like to thank the Municipality of Bragança for the datasets on water inflows.
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCarvalho-Santos, Claudia; Monteiro, António T.; Azevedo, João C.; Honrado, João Pradinho; Nunes, João Pedro (2017). Climate Change Impacts on Water Resources and Reservoir Management: Uncertainty and Adaptation for a Mountain Catchment in Northeast Portugal. Water Resources Management. ISSN 0920-4741. 31, p. 3355-3370en_EN
dc.identifier.doi10.1007/s11269-017-1672-zpt_PT
dc.identifier.issn0920-4741
dc.identifier.urihttp://hdl.handle.net/10198/15257
dc.language.isoeng
dc.peerreviewedyespt_PT
dc.subjectAlto Sabor watersheden_EN
dc.subjectClimate changeen_EN
dc.subjectRCP scenariosen_EN
dc.subjectReservoir managementen_EN
dc.subjectSWAT modelen_EN
dc.subjectWater supplyen_EN
dc.titleClimate change impacts on water resources and reservoir management: uncertainty and adaptation for a mountain catchment in Northeast Portugalen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FAAG-MAA%2F4539%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F87571%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FBIA%2F50027%2F2013/PT
oaire.fundingStream5876-PPCDTI
oaire.fundingStreamSFRH
oaire.fundingStream5876
person.familyNameAzevedo
person.givenNameJoão C.
person.identifier.ciencia-id3F1F-0829-5878
person.identifier.orcid0000-0002-3061-8261
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoverye15b0e75-689e-4be0-942c-1958cfefdb0f
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