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dc.contributor.authorLamboll, Robin
dc.contributor.authorJones, Chris D.
dc.contributor.authorSkeie, Ragnhild Bieltvedt
dc.contributor.authorFiedler, Stephanie
dc.contributor.authorSamset, Bjørn Hallvard
dc.contributor.authorGillett, Nathan P.
dc.contributor.authorRogelj, Joeri
dc.contributor.authorForster, Piers M.
dc.date.accessioned2022-04-26T12:12:36Z
dc.date.available2022-04-26T12:12:36Z
dc.date.created2022-02-15T12:40:31Z
dc.date.issued2021
dc.identifier.citationGeoscientific Model Development. 2021, 14 (6), 3683-3695.en_US
dc.identifier.issn1991-959X
dc.identifier.urihttps://hdl.handle.net/11250/2992846
dc.description.abstractLockdowns to avoid the spread of COVID-19 have created an unprecedented reduction in human emissions. While the country-level scale of emissions changes can be estimated in near real time, the more detailed, gridded emissions estimates that are required to run general circulation models (GCMs) of the climate will take longer to collect. In this paper we use recorded and projected country-and-sector activity levels to modify gridded predictions from the MESSAGE-GLOBIOM SSP2-4.5 scenario. We provide updated projections for concentrations of greenhouse gases, emissions fields for aerosols, and precursors and the ozone and optical properties that result from this. The code base to perform similar modifications to other scenarios is also provided. We outline the means by which these results may be used in a model intercomparison project (CovidMIP) to investigate the impact of national lockdown measures on climate, including regional temperature, precipitation, and circulation changes. This includes three strands: an assessment of short-term effects (5-year period) and of longer-term effects (30 years) and an investigation into the separate effects of changes in emissions of greenhouse gases and aerosols. This last strand supports the possible attribution of observed changes in the climate system; hence these simulations will also form part of the Detection and Attribution Model Intercomparison Project (DAMIP).en_US
dc.language.isoengen_US
dc.publisherEGUen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleModifying emissions scenario projections to account for the effects of COVID-19: Protocol for CovidMIPen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber3683-3695en_US
dc.source.volume14en_US
dc.source.journalGeoscientific Model Developmenten_US
dc.source.issue6en_US
dc.identifier.doi10.5194/gmd-14-3683-2021
dc.identifier.cristin2001752
dc.relation.projectEC/H2020/820829en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2


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