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Process-Oriented MJO Simulation Diagnostic: Moisture Sensitivity of Simulated Convection

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dc.contributor.authorKim, Daehyun-
dc.contributor.authorXavier, Prince-
dc.contributor.authorMaloney, Eric-
dc.contributor.authorWheeler, Matthew-
dc.contributor.authorWaliser, Duane-
dc.contributor.authorSperber, Kenneth-
dc.contributor.authorHendon, Harry-
dc.contributor.authorZhang, Chidong-
dc.contributor.authorNeale, Richard-
dc.contributor.authorHwang, Yen-Ting-
dc.contributor.authorLiu, Haibo-
dc.date.accessioned2024-05-07T01:34:00Z-
dc.date.available2024-05-07T01:34:00Z-
dc.date.created2024-04-22-
dc.date.created2024-04-22-
dc.date.issued2014-07-
dc.identifier.citationJournal of Climate, Vol.27 No.14, pp.5379-5395-
dc.identifier.issn0894-8755-
dc.identifier.urihttps://hdl.handle.net/10371/201001-
dc.description.abstractProcess-oriented diagnostics for Madden-Julian oscillation (MJO) simulations are being developed to facilitate improvements in the representation of the MJO in weather and climate models. These process-oriented diagnostics are intended to provide insights into how parameterizations of physical processes in climate models should be improved for a better MJO simulation. This paper proposes one such process-oriented diagnostic, which is designed to represent sensitivity of simulated convection to environmental moisture: composites of a relative humidity (RH) profile based on precipitation percentiles. The ability of the RH composite diagnostic to represent the diversity of MJO simulation skill is demonstrated using a group of climate model simulations participating in phases 3 and 5 of the Coupled Model Intercomparison Project (CMIP3 and CMIP5). A set of scalar process metrics that captures the key physical attributes of the RH diagnostic is derived and their statistical relationship with indices that quantify the fidelity of the MJO simulation is tested. It is found that a process metric that represents the amount of lower-tropospheric humidity increase required for a transition from weak to strong rain regimes has a robust statistical relationship with MJO simulation skill. The results herein suggest that moisture sensitivity of convection is closely related to a GCM's ability to simulate the MJO.-
dc.language영어-
dc.publisherAmerican Meteorological Society-
dc.titleProcess-Oriented MJO Simulation Diagnostic: Moisture Sensitivity of Simulated Convection-
dc.typeArticle-
dc.identifier.doi10.1175/JCLI-D-13-00497.1-
dc.citation.journaltitleJournal of Climate-
dc.identifier.wosid000339135200010-
dc.identifier.scopusid2-s2.0-84904488716-
dc.citation.endpage5395-
dc.citation.number14-
dc.citation.startpage5379-
dc.citation.volume27-
dc.description.isOpenAccessY-
dc.contributor.affiliatedAuthorKim, Daehyun-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusMADDEN-JULIAN OSCILLATION-
dc.subject.keywordPlusTROPICAL INTRASEASONAL VARIABILITY-
dc.subject.keywordPlusCUMULUS PARAMETERIZATION-
dc.subject.keywordPlusARAKAWA-SCHUBERT-
dc.subject.keywordPlusAGCM SIMULATIONS-
dc.subject.keywordPlusCLOUD ENSEMBLE-
dc.subject.keywordPlusPART I-
dc.subject.keywordPlusCLIMATE-
dc.subject.keywordPlusCIRCULATION-
dc.subject.keywordPlusPRECIPITATION-
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  • College of Natural Sciences
  • Department of Earth and Environmental Sciences
Research Area Climate Change, Earth & Environmental Data, Severe Weather, 기후과학, 위험기상, 지구환경 데이터과학

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