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Calibration Uncertainties of Tropical Pacific Climate Reconstructions over the Last Millennium

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dc.contributor.authorKyung-Sook Yun-
dc.contributor.authorAxel Timmermann-
dc.date.accessioned2021-11-03T09:30:05Z-
dc.date.available2021-11-03T09:30:05Z-
dc.date.created2021-11-01-
dc.date.issued2019-07-
dc.identifier.issn0894-8755-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/10581-
dc.description.abstractSeveral climate field reconstruction methods assume stationarity between the leading patterns of variability identified during the instrumental calibration period and the reconstruction period. We examine how and to what extent this restrictive assumption may generate uncertainties in reconstructing past tropical Pacific climate variability. Based on the Last Millennium (850-2005 CE) ensemble simulations conducted with the Community Earth System Model and by developing a series of pseudoproxy reconstructions for different calibration periods, we find that the overall reconstruction skill for global and more regional-scale climate indices depends significantly on the magnitude of externally forced global mean temperature variability during the chosen calibration period. This effect strongly reduces the fidelity of reconstructions of decadal to centennial-scale tropical climate variability, associated with the interdecadal Pacific oscillation (IPO) and centennial-scale temperature shifts between the Medieval Climate Anomaly (MCA) and the Little Ice Age (LIA). In contrast, our pseudoproxy-based analysis demonstrates that reconstructions of interannual El Nino-Southern Oscillation (ENSO) variability are more robust and less affected by changes in calibration period.-
dc.language영어-
dc.publisherAMER METEOROLOGICAL SOC-
dc.titleCalibration Uncertainties of Tropical Pacific Climate Reconstructions over the Last Millennium-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000472925900002-
dc.identifier.scopusid2-s2.0-85068063276-
dc.identifier.rimsid76649-
dc.contributor.affiliatedAuthorKyung-Sook Yun-
dc.contributor.affiliatedAuthorAxel Timmermann-
dc.identifier.doi10.1175/JCLI-D-18-0524.1-
dc.identifier.bibliographicCitationJOURNAL OF CLIMATE, v.32, no.14, pp.4547 - 4566-
dc.relation.isPartOfJOURNAL OF CLIMATE-
dc.citation.titleJOURNAL OF CLIMATE-
dc.citation.volume32-
dc.citation.number14-
dc.citation.startPage4547-
dc.citation.endPage4566-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryMeteorology & Atmospheric Sciences-
dc.subject.keywordPlusPAST CLIMATE-
dc.subject.keywordPlusICE-AGE-
dc.subject.keywordPlusENSO-
dc.subject.keywordPlusPROXY-BASED RECONSTRUCTIONS-
dc.subject.keywordPlusEL-NINO-LIKE-
dc.subject.keywordPlusFIELD RECONSTRUCTION-
dc.subject.keywordPlusTEMPERATURE RECONSTRUCTIONS-
dc.subject.keywordPlusMETHODS STOCHASTICITY-
dc.subject.keywordPlusSURFACE-TEMPERATURE-
dc.subject.keywordPlusSURROGATE ENSEMBLE-
dc.subject.keywordAuthorENSO-
dc.subject.keywordAuthorPaleoclimate-
dc.subject.keywordAuthorClimate variability-
dc.subject.keywordAuthorMultidecadal variability-
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Center for Climate Physics(기후물리 연구단) > 1. Journal Papers (저널논문)
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