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dc.contributor.authorKravitz, Ben
dc.contributor.authorRasch, Philip J.
dc.contributor.authorWang, Hailong
dc.contributor.authorRobock, Alan
dc.contributor.authorGabriel, Corey
dc.contributor.authorBoucher, Olivier
dc.contributor.authorCole, Jason N.S.
dc.contributor.authorHaywood, Jim M.
dc.contributor.authorJi, Duoying
dc.contributor.authorJones, Andy
dc.contributor.authorLenton, Andrew
dc.contributor.authorMoore, John C.
dc.contributor.authorMuri, Helene
dc.contributor.authorNiemeier, Ulrike
dc.contributor.authorPhipps, Steven J.
dc.contributor.authorSchmidt, Hauke
dc.contributor.authorWatanabe, Shingo
dc.contributor.authorYang, Shuting
dc.contributor.authorYoon, Jin-Ho
dc.identifier.citationAtmospheric Chemistry and Physics. 2018, 18 (17), 13097-13113.nb_NO
dc.description.abstractGeoengineering, or climate intervention, describes methods of deliberately altering the climate system to offset anthropogenic climate change. As an idealized representation of near-surface solar geoengineering over the ocean, such as marine cloud brightening, this paper discusses experiment G1ocean-albedo of the Geoengineering Model Intercomparison Project (GeoMIP), involving an abrupt quadrupling of the CO2 concentration and an instantaneous increase in ocean albedo to maintain approximate net top-of-atmosphere radiative flux balance. A total of 11 Earth system models are relatively consistent in their temperature, radiative flux, and hydrological cycle responses to this experiment. Due to the imposed forcing, air over the land surface warms by a model average of 1.14 K, while air over most of the ocean cools. Some parts of the near-surface air temperature over ocean warm due to heat transport from land to ocean. These changes generally resolve within a few years, indicating that changes in ocean heat content play at most a small role in the warming over the oceans. The hydrological cycle response is a general slowing down, with high heterogeneity in the response, particularly in the tropics. While idealized, these results have important implications for marine cloud brightening, or other methods of geoengineering involving spatially heterogeneous forcing, or other general forcings with a strong land–ocean contrast. It also reinforces previous findings that keeping top-of-atmosphere net radiative flux constant is not sufficient for preventing changes in global mean temperature.nb_NO
dc.publisherCopernicus Publicationsnb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.subjectClimate modelsnb_NO
dc.subjectClimate changenb_NO
dc.titleThe climate effects of increasing ocean albedo: an idealized representation of solar geoengineeringnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.subject.nsiVDP::Meteorologi: 453nb_NO
dc.subject.nsiVDP::Meteorology: 453nb_NO
dc.source.journalAtmospheric Chemistry and Physicsnb_NO
dc.relation.projectNotur/NorStore: NS9033Knb_NO
dc.relation.projectNotur/NorStore: nn9182knb_NO
dc.relation.projectNorges forskningsråd: 229760nb_NO
dc.description.localcode© Author(s) 2018. This work is distributed under the Creative Commons Attribution 4.0 License.nb_NO
cristin.unitnameInstitutt for energi- og prosessteknikk

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Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal