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Competing water uses between agriculture and energy: Quantifying future climate change impacts for the Portuguese power sector

2022-10Journal article Open access
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dc.contributor.authorFortes, Patricia
dc.contributor.authorSimoes, Sofia
dc.contributor.authorBrás, Teresa
dc.contributor.authorAmorim, Filipa
dc.date.accessioned2022-09-01T12:14:07Z
dc.date.available2022-09-01T12:14:07Z
dc.date.issued2022-10
dc.description.abstractABSTRACT: Climate change may increase water needs for irrigation in southern Europe competing with other water uses, such as hydropower, which may likely be impacted by lower precipitation. Climate change will also potentially affect the variability and availability of other renewable energy resources (solar and wind) and electricity consumption patterns. This work quantifies the effect of competition for water use between irrigation and hydropower in the future 2050 Portuguese carbon-neutral power sector and under Representative Concentration Pathway 8.5 climate change projections. It uses the power system eTIMES_PT model to assess the combined effects of climate change on the cost-optimal configuration of the power sectorconsidering changes in irrigation, hydropower, wind and solar PV availability. eTIMES_PT is a linear optimisation model that satisfies electricity demand at minimal total power system cost. Results show that, by 2050, climate change can lead to an increase in annual irrigation water needs up to 12% in Tagus and 19% in Douro watersheds (from 2005 values), with substantially higher values for spring (up to 84%). Combining these increased water needs with the expected reduction in river runoff can lead to a decline in summer and spring hydropower capacity factors from half to three times below current values. By 2050, concurrent water uses under climate change can reduce hydropower generation by 26–56% less than historically observed, mainly in summer and spring. Higher solar PV, complemented with batteries’ electricity storage, can offset the lower hydropower availability, but this will lead to higher electricity prices. Adequate transboundary water management agreements and reducing water losses in irrigation systems will play a key role in mitigating climate impacts in both agriculture and power sector.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFortes, P... [et.al.] - Competing water uses between agriculture and energy: Quantifying future climate change impacts for the Portuguese power sector. In: Journal of Cleaner Production, 2022, vol. 371, article nº 133629pt_PT
dc.identifier.doi10.1016/j.jclepro.2022.133629pt_PT
dc.identifier.issn0959-6526
dc.identifier.urihttp://hdl.handle.net/10400.9/3901
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUID/04085/2020pt_PT
dc.relationEuropean Research Area for Climate Services
dc.relationRINGS – Responsible, sustainable and circular energy system within planetary boundaries
dc.relation.publisherversionhttps://doi.org/10.1016/j.jclepro.2022.133629pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectClimate changept_PT
dc.subjectClimate impactspt_PT
dc.subjectCarbon neutralitypt_PT
dc.subjectWaterpt_PT
dc.subjectEnergypt_PT
dc.titleCompeting water uses between agriculture and energy: Quantifying future climate change impacts for the Portuguese power sectorpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEuropean Research Area for Climate Services
oaire.awardTitleRINGS – Responsible, sustainable and circular energy system within planetary boundaries
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/ERA4CS%2F0002%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/690462/EU
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 3ed/2020.00038.CEECIND%2FCP1586%2FCT0017/PT
oaire.citation.titleJournal of Cleaner Productionpt_PT
oaire.citation.volume371pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStreamH2020
oaire.fundingStreamCEEC IND 3ed
person.familyNameFortes
person.familyNameSimoes
person.familyNameda Costa Redondo Cancela de Amorim
person.givenNamePatricia
person.givenNameSofia
person.givenNameAna Filipa
person.identifier.ciencia-idF41C-16EA-85CC
person.identifier.ciencia-idB013-F0D5-FF8E
person.identifier.ciencia-id7E18-9DB1-CFE4
person.identifier.orcid0000-0002-4743-1874
person.identifier.orcid0000-0003-4304-1411
person.identifier.orcid0000-0001-9815-8647
person.identifier.ridI-3367-2015
person.identifier.scopus-author-id24472270000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameEuropean Commission
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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