{
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            "measurementMaterial": "alkenone",
            "measurementMethod": "U37K index",
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            "measurementTableName": "measurementTable1",
            "medianRes12k": "NA",
            "notes": "PRA&WAK1987: UK37 E. huxleyi culture calibration (NOT the same as the UK37 calibration).; paleoData_units changed - was originally deg C; climateInterpretation_seasonality changed - was originally Summer_JJA",
            "ocean2kID": "Atlantic1565Calvo2002_ MD95-2011",
            "pages2kID": "Ocn_032",
            "paleoDataMD5": "da8d2ea0538bbc178545ee2fef96ecf9",
            "paleoDataTableName": "DataQC",
            "paleoMeasurementTableMD5": "da8d2ea0538bbc178545ee2fef96ecf9",
            "precededBy": "Arc_39",
            "proxy": "alkenone",
            "QCCertification": "KS, BM, HVM, KT, JAA",
            "QCnotes": "HVM, BM, 20/4/2016 Atlantic1565Calvo2002_ MD95-2011_alkenones(Prahl and Wakeham) The Calvo et al., (2002) data set was selected instead of Dolven et al., (2002) because it had higher resolution. Berner et al., (2011) provides additional dates, though with age reversals, so we retain the age model of Calvo et al., (2002).",
            "TSid": "O2kLR_105",
            "uncertainty": "PRA&WAK1987: T(cultures) = (UK37+0.11)/0.04, (Prahl & Wakeham, (1987); cultures E. huxleyi, 8-25ºC, n=5; R2=0.989)",
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            "useInGlobalTemperatureAnalysis": "TRUE",
            "variableName": "temperature",
            "variableType": "inferred",
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                "interpDirection": "positive",
                "scope": "climate",
                "seasonality": "Jun-Aug",
                "variable": "temperature",
                "variableDetail": "sea@surface",
                "direction": "positive"
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            ],
            "calibration": {
              "equation": "UK37 = 0.040 x T - 0.11",
              "notes": "PRA&WAK1987: UK37 E. huxleyi culture calibration (NOT the same as the UK'37 calibration).",
              "reference": "10.1038/330367a0",
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              "hasMeanValue": 32.9412,
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            "TSid": "PYT0UHVK1I3",
            "units": "yr AD",
            "variableName": "year",
            "variableType": "inferred",
            "WDSPaleoUrl": "https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/Ocn-MD95-2011.Grimalt.2002-1.txt",
            "isPrimary": true,
            "primaryAgeColumn": true,
            "hasTimeTsid": "PYT0UHVK1I3",
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            }
          }
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    {
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        {
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          "tableName": "paleo2measurement1",
          "missingValue": "NaN",
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            "dataType": "float",
            "description": "inferred sea-surface temperature",
            "hasMaxValue": 13,
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            "hasMedianValue": 11.5,
            "hasMinValue": 10.6,
            "inferredVariableType": "Temperature",
            "longName": "AD",
            "meanValue12k": "NA",
            "measurementMaterial": "alkenone",
            "measurementMethod": "U37K index",
            "measurementTableMD5": "9d27e42f1dabccf627ff84e9ad671455",
            "measurementTableName": "measurementTable1",
            "medianRes12k": "NA",
            "notes": "All O2K-LR records have been quality-controlled according to protocols published in Nature Geoscience supplement.; climateInterpretation_seasonality changed - was originally Summer_JJA; climateInterpretation_seasonality changed - was originally 6/7/2008; climateInterpretation_seasonality changed - was originally 6 7 2008",
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            "paleoMeasurementTableMD5": "9d27e42f1dabccf627ff84e9ad671455",
            "proxy": "alkenone",
            "QCCertification": "KT",
            "QCnotes": "These are the original, not quality controlled data. O2kLR recommends only using the Quality controlled data.Inadequate chronological constraints at the top of the core to include all data points",
            "TSid": "O2kLR_107",
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      "curator": "nicholas",
      "timestamp": "2025-02-24 22:50:17.91853 UTC",
      "notes": "Updated lipdverse database entry with a changed file.",
      "changes": {
        "Base metadata": [
          ["archiveType: 'marine sediment' has been replaced by 'MarineSediment'"]
        ]
      }
    },
    {
      "version": "1.0.1",
      "lastVersion": "1.0.0",
      "curator": "nicholas",
      "timestamp": "2024-05-14 19:15:39 UTC",
      "changes": {
        "Paleo Column metadata": [
          ["temperature (O2kLR_107): paleoData_proxy: '' has been replaced by 'alkenone'"]
        ]
      }
    },
    {
      "version": "1.0.0",
      "curator": "nicholas",
      "timestamp": "2022-08-23 23:41:56 UTC",
      "notes": "Starting the changelog"
    }
  ],
  "pub": [
    {
      "author": "Calvo, Eva;Grimalt, Joan;Jansen, Eystein",
      "citeKey": "calvo2002highresolutionu37kseasurf",
      "dataUrl": "doi.org",
      "doi": "10.1016/S0277-3791(01)00096-8",
      "journal": "Quaternary Science Reviews",
      "pages": "1385-1394",
      "publisher": "Elsevier BV",
      "pubYear": "2002",
      "title": "High resolution U37K sea surface temperature reconstruction in the Norwegian Sea during the Holocene",
      "type": "article",
      "volume": "21",
      "year": 2002
    },
    {
      "author": "McGregor, Helen V.;Evans, Michael N.;Goosse, Hugues;Leduc, Guillaume;Martrat, Belen;Addison, Jason A.;Mortyn, P. Graham;Oppo, Delia W.;Seidenkrantz, Marit-Solveig;Sicre, Marie-Alexandrine;Phipps, Steven J.;Selvaraj, Kandasamy;Thirumalai, Kaustubh;Filipsson, Helena L.;Ersek, Vasile",
      "citeKey": "mcgregor2015robustglobaloceancoolingt",
      "dataUrl": "doi.org",
      "doi": "10.1038/ngeo2510",
      "issue": "9",
      "journal": "Nature Geoscience",
      "pages": "671-677",
      "publisher": "Nature Publishing Group",
      "pubYear": "2015",
      "title": "Robust global ocean cooling trend for the pre-industrial Common Era",
      "type": "journal-article",
      "volume": "8",
      "year": "2015"
    },
    {
      "author": "Grimalt, J.O.",
      "citeKey": "grimalt2006httpsdoipangaeade101594pangaea438810DataCitation",
      "institution": "PANGAEA",
      "title": "PANGAEA",
      "type": "dataCitation",
      "url": "https://doi.pangaea.de/10.1594/PANGAEA.438810",
      "Urldate": "2006"
    }
  ],
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    "latitude": 66.97,
    "elevation": -1048,
    "geometryType": "Point",
    "pages2kRegion": "Ocean",
    "siteName": "MD95-2011"
  },
  "@context": "context.jsonld"
}