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Illuminating deep-sea considerations and experimental approaches for mCDR proposals

2025-05-29Journal article Open access
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dc.contributor.authorGallo, Natalya D.
dc.contributor.authorMetaxas, Anna
dc.contributor.authorLidström, Susanna
dc.contributor.authorHetherington, Elizabeth
dc.contributor.authorAlfaro-Lucas, Joan M.
dc.contributor.authorAmon, Diva
dc.contributor.authorBarry, James
dc.contributor.authorBax, Narissa
dc.contributor.authorBoyd, Philip W.
dc.contributor.authorColaço, Ana
dc.contributor.authorElegbede, Isa
dc.contributor.authorEscobar-Briones, Elva
dc.contributor.authorHalfter, Svenja
dc.contributor.authorHilario, Ana
dc.contributor.authorHilmi, Nathalie
dc.contributor.authorHuffard, Christine L.
dc.contributor.authorIglesias-Rodriguez, M Debora
dc.contributor.authorLevin, Lisa A
dc.contributor.authorMcCauley, Douglas J
dc.contributor.authorMestre, Nélia
dc.contributor.authorMwangi, Pauline Nyambura
dc.contributor.authorPalacios-Abrantes, Juliano
dc.contributor.authorRangani, Eesha
dc.contributor.authorThurber, Andrew R.
dc.contributor.authorYasuhara, Moriaki
dc.date.accessioned2025-07-28T09:44:40Z
dc.date.available2025-07-28T09:44:40Z
dc.date.issued2025-05-29
dc.description.abstractAs society recognizes the urgency of reducing atmospheric CO2 levels, industries and nations are increasingly considering marine carbon dioxide removal (mCDR) in their climate mitigation portfolios. The deep sea (defined as depths below 200 m) is the storage site for removed carbon for most mCDR technologies [1, 2] because, here, carbon is out of contact with the atmosphere on societally relevant timescales (>100 years). However, the deep sea is often treated as a ‘black box’ without sufficient consideration given to deep-sea ecological processes and ecosystem services that may be impacted by mCDR activities (e.g. [2, 3]). The often held ‘out of sight, out of mind’ relationship with the deep sea has previously been used to justify disposal of radioactive, military, and chemical waste in the deep sea [4]. These activities were assumed harmless due to the large and sparsely inhabited nature of the deep sea, and expectations that waste would be permanently removed and that negative impacts would remain in the deep sea and not impact coastal areas or socioeconomic activities.eng
dc.description.sponsorshipCEECIND005262017
dc.identifier.doi10.1088/1748-9326/add8a6
dc.identifier.issn1748-9326
dc.identifier.urihttp://hdl.handle.net/10400.1/27499
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIOP Publishing
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relationCentre for Marine and Environmental Research (CIMA)
dc.relationAquatic Research Infrastructure Network
dc.relationUAc - Okeanos R&D Centre - University of the Azores
dc.relationUAc - Okeanos R&D Centre - University of the Azores
dc.relationCentre for Environmental and Marine Studies
dc.relation.ispartofEnvironmental Research Letters
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectmCDR
dc.subjectOcean-climate nexus
dc.subjectClimate mitigation
dc.subjectMarine impacts
dc.subjectEnvironmental impact assessment
dc.subjectDeep sea
dc.subjectOcean-based climate interventions
dc.titleIlluminating deep-sea considerations and experimental approaches for mCDR proposalseng
dc.typejournal article
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oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardTitleCentre for Marine and Environmental Research (CIMA)
oaire.awardTitleAquatic Research Infrastructure Network
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oaire.citation.issue6
oaire.citation.startPage061003
oaire.citation.titleEnvironmental Research Letters
oaire.citation.volume20
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