{
  "paleoData": [
    {
      "measurementTable": [
        {
          "tableName": "paleo1measurement1",
          "year": {
            "coralExtensionRate": "NA",
            "coralExtensionRateNotes": null,
            "coralTissueThickness": "NA",
            "core": "Pan22b",
            "datum": null,
            "description": null,
            "gbr14CDate": "NA",
            "gbr14CDateUncertainty": "NA",
            "gbrChronologyNotes": "Based on previously determined chronologies of the same cores.",
            "gbrDataCoverageGroup": "2",
            "gbrDatingNotes": null,
            "gbrIsAnomaly": "FALSE",
            "gbrIsDatabaseDuplicate": "FALSE",
            "gbrUThDate": "NA",
            "gbrUThDateUncertainty": "NA",
            "hasTimeTsid": "GBRCD.ER20PAN02.year",
            "isPrimary": true,
            "jcpMeasured": "NA",
            "jcpUsed": "FALSE",
            "longName": "calendar year AD",
            "measurementInstrument": null,
            "measurementMaterialScreening": "No",
            "measurementMethod": null,
            "notes": "Approx. 100 mg collected from coral central growth axis using a small drill and a 2 mm diameter carbide engraving bit. Samples were collected from each high and each low density band. Additional samples were collected from the low density bands where extension >10 mm (i.e. minimum of two and maximum of three samples per year of growth).",
            "primaryAgeColumn": true,
            "proxy": null,
            "QCnotes": null,
            "samplingResolution": "biannual",
            "sensorSpecies": "Porites lutea",
            "TSid": "GBRCD.ER20PAN02.year",
            "uncertaintyAnalytical": null,
            "uncertaintyAnalyticalUnits": null,
            "units": "AD",
            "values": [1975, 1975.5, 1976, 1976.5, 1977, 1977.5, 1978, 1978.5, 1979, 1979.5, 1980, 1980.5, 1981, 1981.5, 1982, 1982.5, 1983, 1983.5, 1984, 1984.5, 1985, 1985.5, 1986, 1986.5, 1987, 1987.5, 1988, 1988.5, 1989, 1989.5, 1990, 1990.5, 1991, 1991.5, 1992, 1992.5, 1993, 1993.5, 1994, 1994.5, 1995, 1995.5, 1996, 1996.5, 1997, 1997.5, 1998, 1998.5, 1999, 1999.5, 2000, 2000.5, 2001, 2001.5, 2002, 2002.5, 2003, 2003.5, 2004, 2004.5, 2005],
            "variableName": "year",
            "interpretation": [
              {
                "scope": null,
                "variable": null
              }
            ],
            "calibration": {
              "datasetRange": null,
              "equationIntercept": null,
              "equationSlope": null,
              "equationSlopeUncertainty": null,
              "gbrCentredEquationNotes": null,
              "method": null,
              "notes": "No calibration applied",
              "seasonality": null,
              "targetDataset": null
            },
            "inCompilationBeta": [
              {
                "compilationName": null,
                "compilationVersion": null
              }
            ]
          },
          "d15N": {
            "coralExtensionRate": null,
            "coralExtensionRateNotes": null,
            "coralTissueThickness": null,
            "core": "Pan22b",
            "datum": null,
            "description": "15N/14N \n δ15N of skeleton bound organic matter.",
            "gbr14CDate": null,
            "gbr14CDateUncertainty": null,
            "gbrChronologyNotes": "Based on previously determined chronologies of the same cores.",
            "gbrDataCoverageGroup": "2",
            "gbrDatingNotes": null,
            "gbrIsAnomaly": "FALSE",
            "gbrIsDatabaseDuplicate": "FALSE",
            "gbrUThDate": null,
            "gbrUThDateUncertainty": null,
            "hasTimeTsid": "GBRCD.ER20PAN02.year",
            "isPrimary": false,
            "jcpMeasured": null,
            "jcpUsed": "FALSE",
            "longName": "CS-δ15N",
            "measurementInstrument": "GV Isoprime II stable IRMS with Multiprep carbonate device",
            "measurementMaterialScreening": "No",
            "measurementMethod": "IRMS",
            "notes": "Approx. 100 mg collected from coral central growth axis using a small drill and a 2 mm diameter carbide engraving bit. Samples were collected from each high and each low density band. Additional samples were collected from the low density bands where extension >10 mm (i.e. minimum of two and maximum of three samples per year of growth).",
            "primaryAgeColumn": false,
            "proxy": null,
            "QCnotes": null,
            "samplingResolution": "biannual",
            "sensorSpecies": "Porites lutea",
            "TSid": "GBRCD.ER20PAN02.d15N",
            "uncertaintyAnalytical": "0.4",
            "uncertaintyAnalyticalUnits": "permil",
            "units": "permille",
            "values": [6.48, 6.37, 6, 6.15, 5.17, 6.11, 6.26, 5.65, 6.23, 5.56, 5.81, 5.47, 5.78, 6.31, 6.24, 5.58, 6.08, 5.22, 6.05, 5.15, 5.22, 5.31, 5.22, 5.01, 4.57, 5.76, 5.62, 6.43, 5.19, 5.65, 5.84, 5.06, 5.02, 5, 4.59, 4.58, 5.42, 5.18, 5.31, 5.45, 4.84, 4.92, 5.68, 5.67, 6.24, 5.5, 6, 5.98, 5.29, 6.13, 6.7, 6.35, 5.71, 5.5, 5.14, 5.69, 5.88, 5.37, 4.87, 4.72, 4.67],
            "variableName": "d15N",
            "interpretation": [
              {
                "scope": "climate",
                "variable": null
              }
            ],
            "calibration": {
              "datasetRange": null,
              "equationIntercept": null,
              "equationSlope": null,
              "equationSlopeUncertainty": null,
              "gbrCentredEquationNotes": null,
              "method": null,
              "notes": "No calibration applied.",
              "seasonality": null,
              "targetDataset": null
            },
            "inCompilationBeta": [
              {
                "compilationName": "GBRCD",
                "compilationVersion": "1_0_1"
              }
            ]
          }
        }
      ]
    }
  ],
  "archiveType": "Coral",
  "changelog": [
    {
      "version": "1.0.6",
      "lastVersion": "1.0.5",
      "curator": "nicholas",
      "timestamp": "2025-06-23 16:14:48.373931 UTC",
      "changes": {
        "Paleo Column metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_measurementInstrument: 'Thermo Delta V Plus Isotope Ratio Mass Spectrometer' has been replaced by 'GV Isoprime II stable IRMS with Multiprep carbonate device'"],
          ["year (GBRCD.ER20PAN02.year): paleoData_isPrimary: 'FALSE' has been replaced by 'TRUE'"]
        ]
      }
    },
    {
      "version": "1.0.5",
      "lastVersion": "1.0.4",
      "curator": "nicholas",
      "timestamp": "2024-04-12 15:48:27 UTC",
      "changes": {
        "Base metadata": [
          ["notes: 'Elevation from PAN22 as reported in AIMS coral core database.' has been replaced by ''"],
          ["originalDataUrl: '' has been replaced by 'https://doi.org/10.25921/sne4-9x94'"]
        ],
        "Geographic metadata": [
          ["geo_notes: '4.6 m distance from surface' has been replaced by 'Elevation from PAN22 as reported in AIMS' coral core database. Distance from surface 4.6 m.'"]
        ],
        "Paleo Calibration metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): calibration_notes: 'No calibration applied' has been replaced by 'No calibration applied.'"]
        ]
      }
    },
    {
      "version": "1.0.4",
      "lastVersion": "1.0.3",
      "curator": "nicholas",
      "timestamp": "2024-04-12 15:36:32 UTC",
      "notes": "added isPrimary, primaryAgeColumn, and hasTimeTsid",
      "changes": {
        "Paleo Column metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_isPrimary: '' has been replaced by 'FALSE'"],
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'"],
          ["year (GBRCD.ER20PAN02.year): paleoData_isPrimary: '' has been replaced by 'FALSE'"],
          ["year (GBRCD.ER20PAN02.year): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'"]
        ]
      }
    },
    {
      "version": "1.0.3",
      "lastVersion": "1.0.2",
      "curator": "nicholas",
      "timestamp": "2024-03-22 22:53:54 UTC",
      "changes": {
        "Publication metadata": [
          ["pub1_doiData: '' has been replaced by '10.25921/sne4-9x94'"]
        ],
        "Paleo Column metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_description: '15N/14N\nδ15N of skeleton bound organic matter.' has been replaced by '15N/14N \n δ15N of skeleton bound organic matter.'"]
        ]
      }
    },
    {
      "version": "1.0.2",
      "lastVersion": "1.0.1",
      "curator": "nicholas",
      "timestamp": "2024-03-09 00:06:06 UTC",
      "changes": {
        "Paleo Column metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_measurementInstrument: '' has been replaced by 'Thermo Delta V Plus Isotope Ratio Mass Spectrometer'"],
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_measurementMethod: '' has been replaced by 'IRMS'"],
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_uncertaintyAnalytical: '' has been replaced by '0.4'"],
          ["d15N (GBRCD.ER20PAN02.d15N): paleoData_uncertaintyAnalyticalUnits: '' has been replaced by 'permil'"]
        ]
      }
    },
    {
      "version": "1.0.1",
      "lastVersion": "1.0.0",
      "curator": "nicholas",
      "timestamp": "2024-02-16 22:33:46 UTC",
      "changes": {
        "Paleo Interpretation metadata": [
          ["d15N (GBRCD.ER20PAN02.d15N): interpretation1_scope: '' has been replaced by 'climate'"]
        ]
      }
    },
    {
      "version": "1.0.0",
      "curator": "arzey",
      "timestamp": "2024-02-09 04:31:33.758279 UTC",
      "notes": "Starting the changelog"
    }
  ],
  "collectionYear": "2005",
  "createdBy": "https://github.com/nickmckay/gbr2lipd",
  "datasetId": "ER20PAN02",
  "dataSetName": "ER20PAN02",
  "datasetVersion": "1.0.5",
  "gbrCompositeCalibrationList": null,
  "gbrCoreIDOtherStudyList": "Cantin and Lough (2014); De'ath et al. (2009)",
  "gbrHasAlternateCalibration": "FALSE",
  "gbrIsCompositeCalibration": "FALSE",
  "gbrIsCoreIDOtherStudy": "TRUE",
  "gbrIsSstCalibration": "FALSE",
  "gbrUseSstCalibration": "FALSE",
  "hasIGSN": null,
  "lipdverseLink": "https://lipdverse.org/data/ER20PAN02/1_0_6",
  "lipdVersion": 1.3,
  "maxYear": 2005,
  "minYear": 1975,
  "notes": null,
  "originalDataUrl": "https://doi.org/10.25921/sne4-9x94",
  "pub": [
    {
      "altDataURL": null,
      "author": "Erler, D.V., Farid, H.T., Glaze, T.D., Carlson-Perret, N.L. & Lough, J.M.",
      "citation": "Erler, D.V., Farid, H.T., Glaze, T.D., Carlson-Perret, N.L. & Lough, J.M. (2020), 'Coral skeletons reveal the history of nitrogen cycling in the coastal Great Barrier Reef', Nature Communications, 11 (1), 1500, 10.1038/s41467-020-15278-w.",
      "doi": "10.1038/s41467-020-15278-w",
      "doiData": "10.25921/sne4-9x94",
      "firstAuthor": "Erler, D. V.",
      "journal": "Nature Communications",
      "title": "Coral skeletons reveal the history of nitrogen cycling in the coastal Great Barrier Reef",
      "year": 2020
    }
  ],
  "geo": {
    "elevation": -4.6,
    "latitude": -18.815,
    "location": null,
    "longitude": 146.436,
    "notes": "Elevation from PAN22 as reported in AIMS' coral core database. Distance from surface 4.6 m.",
    "siteName": "Pandora Reef"
  },
  "@context": "context.jsonld"
}