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"scope": "climate", "variable": "temperature", "variableDetail": "sea surface", "variableGroup": "temperature and salinity" }, { "scope": "climate" }, { "scope": "climate" }, { "direction": "negative", "inferredMaterial": "seawater", "integrationTime": "<1", "integrationTimeBasis": "we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record", "integrationTimeUnits": "month", "mathematicalRelation": "linear", "rank": "NA", "scope": "isotope", "variable": "temperature", "variableGroup": "Temperature", "variableGroupDirection": "negative", "variableGroupOriginal": "T_water", "coefficient": "NA", "fraction": "NA", "basis": null, "seasonality": null }, { "direction": "positive", "inferredMaterial": "seawater", "integrationTimeBasis": "\"we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record\"", "integrationTimeUnits": "month", "mathematicalRelation": "linear", "scope": "isotope", "variable": "seawaterIsotope", "variableGroup": "EffectiveMoisture", "variableGroupDirection": "negative", "variableGroupOriginal": "d18O_seawater", "coefficient": "NA", "fraction": "NA", "rank": "NA", "basis": null, "seasonality": null }, { "scope": "isotope", "coefficient": "NA", "fraction": "NA", "rank": "NA", "basis": null, "direction": null, "mathematicalRelation": null, "seasonality": null, "variable": null } ], "hasResolution": { "hasMaxValue": 0.19, "hasMeanValue": 0.0592, "hasMedianValue": 0.06, "hasMinValue": 0.01, "units": "AD" }, "inCompilationBeta": [ { "compilationName": "iso2k", "compilationVersion": ["0_14_8", "0_15_0", "1_0_0", "1_1_0", "1_1_1", "1_1_2"] } ] }, "year": { "description": "Year AD", "hasMaxValue": 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The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record", "chronologyIntegrationTimeUnits": "months", "description": "carbonate", "hasChron": "0", "hasMaxValue": -2.7, "hasMeanValue": -4.7266, "hasMedianValue": -4.76, "hasMinValue": -5.58, "hasPaleoDepth": "0", "inferredMaterial": "surface seawater", "inferredMaterialGroup": "surface water", "inferredMaterialGroupOriginal": "surface seawater", "instrument": "samples were reacted in vacuo in a modified autocarbonate device at 90C and the purified CO2 analyzed on a gas source stable isotope ratio mass spectrometer", "iso2kCertification": "DMT (1/14/19; updated 12/31/19)", "iso2kPrimaryTimeseries": "TRUE", "iso2kUI": "CO99GUMI01B", "longName": "AD", "measurementMaterial": "coral", "measurementMaterialDetail": "aragonite", "measurementStandard": "VPDB", "measurementTableMD5": "c1eac998ce92f8f3c1cb669c7c48dbd8", "measurementTableName": "measurementTable2", "medianRes12k": "NA", "notes": "; archiveType changed - was originally Coral (CO)", "paleoDataTableName": "pdt415", "QCCertification": "DMT (1/14/19; updated 12/31/19)", "QCnotes": "There is a 0.2 per mil offset in absolute value between the Nauru 1 and 2 records; The offset is ~0.23 per mil prior to 1980 and ~0.14 per mil after 1981", "TSid": "CO99GUMI01B", "uncertaintyAnalytical": "0.05 permil", "units": "permil", "variableName": "d18O", "variableType": "interpolated", "isPrimary": false, "primaryAgeColumn": false, "hasTimeTsid": "LPDc57a9202", "values": [-3.72, -3.79, -3.83, -3.75, -3.64, -3.4, -3.14, -2.91, -2.7, -2.89, -3.32, -3.6, -3.73, -3.88, -4.08, -4.3, -4.59, -4.83, -4.78, -4.68, -4.69, -4.73, -4.78, -4.82, -4.8, -4.64, -4.49, -4.34, -4.2, -4.26, -4.38, -4.64, -4.86, -4.81, -4.71, -4.73, -4.5, -4.8, -4.71, -4.66, -4.59, -4.34, -4.19, -4.39, -4.3, -4.3, -4.27, -3.9, -3.75, -3.86, -3.98, -3.99, -4.12, -4.4, -4.51, -4.64, -4.79, -4.72, -4.61, -4.5, -4.48, -4.54, -4.65, -4.71, -4.87, -5, -4.94, -4.74, -4.35, -3.94, -3.96, -4.29, -4.68, -5, -5.04, -4.96, -4.84, -4.77, -4.9, -5.08, -5.24, -5.37, -5.31, -5.19, -5.1, -4.92, -4.71, -4.59, -4.85, -5.01, -4.98, -4.94, -4.9, -4.78, -4.64, -4.53, -4.46, -4.48, -4.49, -4.5, -4.4, -4.26, -4.33, -4.48, -4.48, -4.98, -4.64, -5.04, -5.16, -5.52, -5.58, -5.14, -4.97, -4.99, -4.98, -4.76, -4.84, -4.72, -4.63, -4.69, -4.8, -4.95, -4.78, -4.89, -4.86, -4.85, -4.96, -5.02, -5.2, -5.34, -4.93, -4.43, -4.39, -4.47, -4.46, -4.6, -4.98, -5.14, -5.15, -4.96, -4.77, -4.59, -4.33, -4.24, -4.46, -4.63, -4.54, -4.55, -4.55, -4.63, -4.81, -4.83, -4.9, -4.89, -5.07, -5.2, -5.05, -4.67, -4.57, -4.47, -4.53, -4.62, -4.55, -4.52, -4.56, -4.51, -4.46, -4.41, -4.25, -4.06, -4.06, -4.21, -4.34, -4.4, -4.49, -4.44, -4.48, -4.53, -4.75, -4.86, -4.59, -4.42, -4.44, -4.3, -4.12, -4.16, -4.19, -4.15, -4.2, -4.47, -4.49, -4.81, -5.02, -5.15, -5.32, -5.35, -5.28, -5.26, -5.31, -5.3, -5.26, -5.06, -4.8, -4.63, -4.6, -4.52, -4.6, -4.72, -4.61, -4.51, -4.58, -4.78, -4.83, -4.78, -4.72, -4.44, -4.65, -4.81, -5.01, -5.22, -5.27, -5.16, -4.96, -4.85, -4.91, -5.16, -5.33, -5.16, -5.3, -5.06, -4.92, -4.78, -4.69, -4.6, -4.49, -4.56, -4.63, -4.69, -4.88, -4.96, -5.01, -5.05, -4.58, -4.71, -4.76, -4.76, -4.94, -4.72, -4.88, -5.19, -4.62, -4.58, -4.49, -4.43, -4.45, -4.47, -4.35, -4.34, -4.45, -4.44, -4.49, -4.67, -4.68, -4.67, -4.98, -4.98, -4.94, -4.79, -4.97, -4.95, -4.95, -4.88, -4.69, -4.73, -4.55, -4.59, -4.43, -4.49, -4.57, -4.64, -4.72, -4.5, -4.49, -4.54, -4.53, -4.43, -4.31, -4.49, -4.82, -4.8, -4.79, -4.34, -4.46, -4.56, -4.73, -4.9, -5.09, -5.09, -5.04, -4.88, -4.87, -4.82, -4.62, -4.94, -5.06, -4.87, -4.84, -4.76, -4.79, -4.73, -4.9, -5.08, -4.95, -5.03, -5.07, -4.77, -4.81, -4.7, -4.5, -4.62, -4.69, -4.73, -5.03, -5.08, -5.04, -4.6, -4.47, -4.53, -4.4, -4.38, -4.37, -4.7, -4.64, -4.47, -4.55, -4.52, -4.49, -4.39, -4.82, -4.97, -5.11, -5.14, -5.05, -4.56, -4.9, -5.35, -5.2, -4.72, -4.77, -4.87, -4.88, -4.84, -5.13, -5.17, -5.01, -5.21, -5.48, -5.44, -5.27, -4.88, -4.85, -4.86, -5.04, -5.23, -5.2, -5.11, -4.9, -4.93, -4.91, -4.93, -4.71, -4.81, -4.88, -5.03, -4.84, -4.85, -4.89, -4.95, -4.95, -5.1, -5.32, -5.26, -5.25, -5.34, -5.41, -4.95, -4.66, -4.61, -4.43, -4.51, -4.65, -4.78, -4.9, -5.23, -5.18, -5.3, -5.4, -5.27, -5.39, -5.38, -5.39, -5.41, -5.28, -5.27, -5.42, -5.37, -5.36, -5.47, -5.54, -5.29, -5.04, -5.45, -5.51, -5.11, -5.14], "equilibriumEvidence": null, "iso2kHackathonNotes": null, "interpretation": [ { "scope": "climate" }, { "scope": "climate" }, { "scope": "climate" }, { "basis": "The observed d180 decrease that occurs between 1952 and 1995 (-0.5 permil) equates to a -2.5C warming, an -2 permil decrease in salinity [Fairbanks et al., 1997], or some combination thereof. Instrumental and reconstructed SSTs of a slightly larger region [Reynolds and Smith, 1994; Kaplan et al., 1998] do show an -0.5C increase which can only be partly responsible for the observed trend in the coral records. Moreover, the shift does not appear to be a consequence of a change in the isotopic composition of precipitation in the region [Rozanski et al., 1992].", "direction": "negative", "inferredMaterial": "seawater", "integrationTime": "3", "integrationTimeBasis": "we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record", "integrationTimeUnits": "months", "mathematicalRelation": "linear", "rank": 1, "scope": "isotope", "seasonality": "subannual", "variable": "temperature", "variableGroup": "Temperature", "variableGroupDirection": "negative", "variableGroupOriginal": "T_water", "coefficient": "NA", "fraction": "NA" }, { "direction": "positive", "inferredMaterial": "seawater", "integrationTimeBasis": "\"we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record\"", "integrationTimeUnits": "months", "mathematicalRelation": "linear", "rank": 2, "scope": "isotope", "variable": "seawaterIsotope", "variableGroup": "EffectiveMoisture", "variableGroupDirection": "negative", "variableGroupOriginal": "d18O_seawater", "coefficient": "NA", "fraction": "NA", "basis": null, "seasonality": null }, { "scope": "isotope", "coefficient": "NA", "fraction": "NA", "rank": "NA", "basis": null, "direction": null, "mathematicalRelation": null, "seasonality": null, "variable": null } ], "hasResolution": { "hasMaxValue": 0.25, "hasMeanValue": 0.25, "hasMedianValue": 0.25, "hasMinValue": 0.25, "units": "AD" }, "inCompilationBeta": [ { "compilationName": "iso2k", "compilationVersion": ["0_14_8", "0_15_0", "1_0_0", "1_1_0", "1_1_1", "1_1_2"] } ] } } ] } ], "chronData": [ { "model": [ { "methods": { "algorithm": "BAM", "parameters": { "nEns": 1000, "resize": 0 }, "uncertainty": "low" } }, { "methods": { "algorithm": "BAM", "parameters": { "nEns": 1000, "resize": 0 }, "uncertainty": "high" } } ] } ], "archiveType": "Coral", "archiveTypeOriginal": "coral", "collectionName": "Nauru-2", "createdBy": "matlab", "dataContributor": "Henry Wu, JT", "datasetId": "4ytGPXH6ewqHAtNVmTaq", "dataSetName": "CO99GUMI", "datasetVersion": "1.0.9", "googleMetadataWorksheet": "omt784o", "googleSpreadSheetKey": "1cavB3wpWjSqh3Pad11k_0Z0xWExL_RloSp4OhidjIh8", "hasChron": "0", "hasDepth": "0", "hasPaleoDepth": 0, "investigators": "Guilderson | Ocean2k", "lipdverseLink": "https://lipdverse.org/data/4ytGPXH6ewqHAtNVmTaq/1_0_10", "maxYear": 1995.34, "minYear": 1951.94, "nUniqueAges": 0, "originalDataUrl": "https://www.ncdc.noaa.gov/paleo/study/1842", "originalDataURL": "http://hurricane.ncdc.noaa.gov/pls/paleox/f?p=519:1:4072198051706172::::P1_STUDY_ID:1842", "studyName": "Nauru Island seasonal d18O and d13C, 1898-1995", "tagMD5": "f6f2ea52c77137f55ee346cdce6c70a1", "lipdVersion": 1.3, "changelog": [ { "version": "1.0.10", "lastVersion": "1.0.9", "curator": "nicholas", "timestamp": "2025-05-22 04:33:39.726088 UTC", "changes": { "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.9", "lastVersion": "1.0.8", "curator": "nicholas", "timestamp": "2025-05-22 00:04:18.759598 UTC", "notes": "Updated lipdverse database entry with a changed file.", "changes": { "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.8", "lastVersion": "1.0.7", "curator": "nicholas", "timestamp": "2025-05-20 18:27:42.138014 UTC", "changes": { "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.7", "lastVersion": "1.0.6", "curator": "nicholas", "timestamp": "2025-05-20 16:18:39.942605 UTC", "changes": { "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.6", "lastVersion": "1.0.5", "curator": "nicholas", "timestamp": "2025-04-17 20:04:04.415531 UTC", "changes": { "Paleo Column metadata": [ ["d18O (CO99GUMI01A): paleoData_isPrimary: '' has been replaced by 'FALSE'"], ["d18O (CO99GUMI01A): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'"], ["d18O (CO99GUMI01B): paleoData_isPrimary: '' has been replaced by 'FALSE'"], ["d18O (CO99GUMI01B): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'"], ["year (LPDc57a9202): paleoData_isPrimary: '' has been replaced by 'TRUE'"], ["year (LPDc57a9202): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'"], ["year (LPDfbb2677d): paleoData_isPrimary: '' has been replaced by 'TRUE'"], ["year (LPDfbb2677d): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'"] ], "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.5", "lastVersion": "1.0.4", "curator": "nicholas", "timestamp": "2025-04-11 16:14:52.124298 UTC", "changes": { "Paleo Interpretation metadata": [ ["d18O (CO99GUMI01A): interpretation2_direction: 'negative' has been replaced by ''"], ["d18O (CO99GUMI01A): interpretation2_inferredMaterial: 'seawater' has been replaced by ''"], ["d18O (CO99GUMI01A): interpretation2_integrationTime: '<1' has been replaced by ''"], ["d18O (CO99GUMI01A): 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The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. 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The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. 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Instrumental and reconstructed SSTs of a slightly larger region [Reynolds and Smith, 1994; Kaplan et al., 1998] do show an -0.5C increase which can only be partly responsible for the observed trend in the coral records. Moreover, the shift does not appear to be a consequence of a change in the isotopic composition of precipitation in the region [Rozanski et al., 1992].' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation1_direction: 'negative' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation1_inferredMaterial: 'seawater' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation1_integrationTime: '3' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation1_integrationTimeBasis: 'we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. 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The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record\"' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_integrationTimeUnits: 'months' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_mathematicalRelation: 'linear' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_rank: '2' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_scope: 'isotope' has been replaced by 'climate'"], ["d18O (CO99GUMI01B): interpretation2_variable: 'seawaterIsotope' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_variableGroup: 'EffectiveMoisture' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_variableGroupDirection: 'negative' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation2_variableGroupOriginal: 'd18O_seawater' has been replaced by ''"], ["d18O (CO99GUMI01B): interpretation3_scope: '' has been replaced by 'climate'"], ["d18O (CO99GUMI01B): interpretation4_basis: '' has been replaced by 'The observed d180 decrease that occurs between 1952 and 1995 (-0.5 permil) equates to a -2.5C warming, an -2 permil decrease in salinity [Fairbanks et al., 1997], or some combination thereof. Instrumental and reconstructed SSTs of a slightly larger region [Reynolds and Smith, 1994; Kaplan et al., 1998] do show an -0.5C increase which can only be partly responsible for the observed trend in the coral records. Moreover, the shift does not appear to be a consequence of a change in the isotopic composition of precipitation in the region [Rozanski et al., 1992].'"], ["d18O (CO99GUMI01B): interpretation4_direction: '' has been replaced by 'negative'"], ["d18O (CO99GUMI01B): interpretation4_inferredMaterial: '' has been replaced by 'seawater'"], ["d18O (CO99GUMI01B): interpretation4_integrationTime: '' has been replaced by '3'"], ["d18O (CO99GUMI01B): interpretation4_integrationTimeBasis: '' has been replaced by 'we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record'"], ["d18O (CO99GUMI01B): interpretation4_integrationTimeUnits: '' has been replaced by 'months'"], ["d18O (CO99GUMI01B): interpretation4_mathematicalRelation: '' has been replaced by 'linear'"], ["d18O (CO99GUMI01B): interpretation4_rank: '' has been replaced by '1'"], ["d18O (CO99GUMI01B): interpretation4_scope: '' has been replaced by 'isotope'"], ["d18O (CO99GUMI01B): interpretation4_seasonality: '' has been replaced by 'subannual'"], ["d18O (CO99GUMI01B): interpretation4_variable: '' has been replaced by 'temperature'"], ["d18O (CO99GUMI01B): interpretation4_variableGroup: '' has been replaced by 'Temperature'"], ["d18O (CO99GUMI01B): interpretation4_variableGroupDirection: '' has been replaced by 'negative'"], ["d18O (CO99GUMI01B): interpretation4_variableGroupOriginal: '' has been replaced by 'T_water'"], ["d18O (CO99GUMI01B): interpretation5_direction: '' has been replaced by 'positive'"], ["d18O (CO99GUMI01B): interpretation5_inferredMaterial: '' has been replaced by 'seawater'"], ["d18O (CO99GUMI01B): interpretation5_integrationTimeBasis: '' has been replaced by '\"we created a preliminary age model using the seasonal (doublet) structure of the respective d13C time series. The age model of Nauru 2 was then optimized through linear mapping of the coral d18O to the local precipitation record with an estimated error of 2-3 months. Over the interval where the two corals have similar sampling resolution (i.e., 1 and 2 mm density) the Nauru 1 d18O record was linearly mapped to the Nauru 2 d18O record\"'"], ["d18O (CO99GUMI01B): interpretation5_integrationTimeUnits: '' has been replaced by 'months'"], ["d18O (CO99GUMI01B): interpretation5_mathematicalRelation: '' has been replaced by 'linear'"], ["d18O (CO99GUMI01B): interpretation5_rank: '' has been replaced by '2'"], ["d18O (CO99GUMI01B): interpretation5_scope: '' has been replaced by 'isotope'"], ["d18O (CO99GUMI01B): interpretation5_variable: '' has been replaced by 'seawaterIsotope'"], ["d18O (CO99GUMI01B): interpretation5_variableGroup: '' has been replaced by 'EffectiveMoisture'"], ["d18O (CO99GUMI01B): interpretation5_variableGroupDirection: '' has been replaced by 'negative'"], ["d18O (CO99GUMI01B): interpretation5_variableGroupOriginal: '' has been replaced by 'd18O_seawater'"], ["d18O (CO99GUMI01B): interpretation6_scope: '' has been replaced by 'isotope'"], ["year (LPDc57a9202): interpretation1_scope: '' has been replaced by 'climate'"], ["year (LPDc57a9202): interpretation2_scope: '' has been replaced by 'climate'"], ["year (LPDfbb2677d): interpretation1_scope: '' has been replaced by 'climate'"], ["year (LPDfbb2677d): interpretation2_scope: '' has been replaced by 'climate'"] ], "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.4", "lastVersion": "1.0.3", "curator": "nicholas", "timestamp": "2025-04-09 20:52:54.603684 UTC", "notes": "Updated lipdverse database entry with a changed file.", "changes": { "Paleo Interpretation metadata": [ ["d18O (CO99GUMI01A): interpretation1_variable: 'temperature and salinity' has been replaced by 'temperature'"], ["d18O (CO99GUMI01A): interpretation2_variable: 'T_water' has been replaced by 'temperature'"], ["d18O (CO99GUMI01A): interpretation3_variable: 'd18O_seawater' has been replaced by 'seawaterIsotope'"], ["d18O (CO99GUMI01B): interpretation1_variable: 'T_water' has been replaced by 'temperature'"], ["d18O (CO99GUMI01B): interpretation2_variable: 'd18O_seawater' has been replaced by 'seawaterIsotope'"] ], "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.3", "lastVersion": "1.0.2", "curator": "nicholas", "timestamp": "2025-04-09 17:39:08.158923 UTC", "notes": "Changes made as part of LiPDverse vocabulary standardization process", "changes": { "Paleo Interpretation metadata": [ ["d18O (CO99GUMI01A): interpretation1_variable: 'temperature and salinity' has been replaced by 'temperature'"], ["d18O (CO99GUMI01A): interpretation2_variable: 'T_water' has been replaced by 'temperature'"], ["d18O (CO99GUMI01A): interpretation3_variable: 'd18O_seawater' has been replaced by 'seawaterIsotope'"], ["d18O (CO99GUMI01B): interpretation1_variable: 'T_water' has been replaced by 'temperature'"], ["d18O (CO99GUMI01B): interpretation2_variable: 'd18O_seawater' has been replaced by 'seawaterIsotope'"] ], "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.2", "lastVersion": "1.0.1", "curator": "nicholas", "timestamp": "2025-04-08 18:53:54.16301 UTC", "notes": "Updated lipdverse database entry with a changed file.", "changes": { "ChronData table": [ ["Column 'CO99GUMI-chron-NA1', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA2', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA3', with variable name 'yearEnsemble', was added to the dataset"], ["Column 'CO99GUMI-chron-NA4', with variable name 'yearEnsemble', was added to the dataset"] ] } }, { "version": "1.0.1", "lastVersion": "1.0.0", "curator": "nicholas", "timestamp": "2025-04-08 17:32:36.617992 UTC", "notes": "Changes made as part of LiPDverse vocabulary standardization process", "changes": { "Paleo Column metadata": [ ["d18O (CO99GUMI01A): paleoData_longName: '' has been replaced by 'AD'"], ["d18O (CO99GUMI01B): paleoData_longName: '' has been replaced by 'AD'"], ["year (LPDc57a9202): paleoData_units: 'AD' has been replaced by 'yr AD'"], ["year (LPDc57a9202): paleoData_longName: '' has been replaced by 'AD'"], ["year (LPDfbb2677d): paleoData_units: 'AD' has been replaced by 'yr AD'"], ["year (LPDfbb2677d): paleoData_longName: '' has been replaced by 'AD'"] ] } } ], "pub": [ { "author": { "name": "Guilderson, Thomas P. , Schrag, Daniel P." }, "citation": "Guilderson, T. P. and Schrag, D. P.: Reliability of coral isotope records from the Western Pacific Warm Pool: A comparison using age-optimized records, Paleoceanography, 14(4), 457–464, doi:10.1029/1999pa900024, 1999.", "citeKey": "guilderson1999reliability", "dataUrl": "doi.org", "doi": "10.1029/1999PA900024", "issue": 4, "journal": "Paleoceanography", "pages": -7, "publisher": "Wiley-Blackwell", "title": "Reliability of coral isotope records from the Western Pacific Warm Pool: A comparison using age-optimized records", "type": "article", "volume": 14, "year": 1999 }, { "author": { "name": "Tierney, Jessica E. , Abram, Nerilie J. , Anchukaitis, Kevin J. , Evans, Michael N. , Giry, Cyril , Kilbourne, K. Halimeda , Saenger, Casey P. , Wu, Henry C. , Zinke, Jens" }, "citation": "Tierney, J. E., Abram, N. J., Anchukaitis, K. J., Evans, M. N., Giry, C., Kilbourne, K. H., Saenger, C. P., Wu, H. C. and Zinke, J.: Tropical sea surface temperatures for the past four centuries reconstructed from coral archives, Paleoceanography, 30(3), 226–252, doi:10.1002/2014pa002717, 2015.", "citeKey": "tierney2015tropical", "doi": "10.1002/2014PA002717", "institution": "World Data Center for Paleoclimatology", "title": "Ocean2kHR-PacificNauruGuilderson1999", "type": "dataCitation", "url": "https://www.ncdc.noaa.gov/paleo/study/1842", "year": 2015 } ], "geo": { "longitude": 166.9283, "latitude": -0.533, "elevation": -14, "geometryType": "Point", "ocean": "Pacific", "pages2kRegion": "Ocean", "siteName": "Nauru" }, "@context": "context.jsonld" }