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Comparing V4.61 EVSCISM and V4.62 QLSM (instrument-based calibration) L3 products Tony Lee Jet Propulsion Laboratory

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  • Comparing V4.61EVSCISMandV4.62QLSM(instrument-basedcalibration)L3products

    TonyLeeJetPropulsionLaboratory

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    SummaryofglobalSTDw.r.t.Argoforvariousspatial&temporalscales

    • AconsistentreductionofStd.Dev.w.r.t.Argoproducts• LargerreductionfromV4.0toV4.61thanfromV3.0toV4.0

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    SummaryofglobalSTDw.r.t.Argoforvariousspatial&temporalscales

    Sameaspreviousslideexceptbar#3waschangedfromV4.61toV4.61QLook (instrument-basedcalibration).

  • STDofV4.61-ArgoSSS

  • STDofV4.61QL-ArgoSSS

  • SummaryofglobalRMSD w.r.t.Argoforvariousspatial&temporalscales

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  • ComparisonofSSSatequatorialPacific(withtimemeanateachlongituderemoved)VerysimilarpatternsbetweenV4.61andV4.61QL

  • Summary• V4.61QL(instrument-basedcalibration)haslargerglobalSTD(w.r.t.

    Argo)thanV3/4/4.61,andlargerRMSDthanV4/4.61.

    • ButV4.61QL,withglobalSTD(RMSD)of0.18(0.22)psu,isasignificantmilestoneofprogressbecauseitdoesnotuseHYCOMorArgoasglobalreferencefortimevariability.

    • PatternsofvariabilityareverysimilarbetweenV4.61&V4.61QL(limitedevaluation).

    • ShouldV4.61QLbepartoftheV5.0release?