Version history for ZM1ZFG8sOz4BQIIEnUaJ - PS2446_4

Version: 1.0.12

lastVersion: 1.0.11
curator: nicholas
timestamp: 2025-06-12 21:37:27.721183 UTC
changes:
- Paleo Column metadata:
  - age (T2L_PS2446_4_age_median): paleoData_primaryAgeColumn: NULL has been replaced by ‘TRUE’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_isPrimary: ‘FALSE’ has been replaced by ‘TRUE’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_primaryAgeColumn: NULL has been replaced by ‘TRUE’
  - age (T2L_PS2446_4_age_original): paleoData_isPrimary: ‘FALSE’ has been replaced by ‘TRUE’
  - age (T2L_PS2446_4_age_original): paleoData_primaryAgeColumn: NULL has been replaced by ‘TRUE’
  - d13C (T2L_PS2446_4_d13c_pachyderma): paleoData_isPrimary: NULL has been replaced by ‘FALSE’
  - d13C (T2L_PS2446_4_d13c_pachyderma): paleoData_primaryAgeColumn: NULL has been replaced by ‘FALSE’
  - d18O (T2L_PS2446_4_d18o_pachyderma): paleoData_isPrimary: NULL has been replaced by ‘FALSE’
  - d18O (T2L_PS2446_4_d18o_pachyderma): paleoData_primaryAgeColumn: NULL has been replaced by ‘FALSE’
  - temperature (T2L_PS2446_4_d18o_pachyderma_SST_from_d18o_pachyderma): paleoData_isPrimary: NULL has been replaced by ‘FALSE’
  - temperature (T2L_PS2446_4_d18o_pachyderma_SST_from_d18o_pachyderma): paleoData_primaryAgeColumn: NULL has been replaced by ‘FALSE’
  - depth (T2L_PS2446_4_depth): paleoData_primaryAgeColumn: NULL has been replaced by ‘FALSE’

Version: 1.0.11

lastVersion: 1.0.10
curator: nicholas
timestamp: 2025-06-12 19:38:28.780414 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
- ChronData table:
  - Column ‘PS2446_4-chron-NA1’, with variable name ‘depth’, was added to the dataset
  - Column ‘PS2446_4-chron-NA2’, with variable name ‘age.rangeLow’, was added to the dataset
  - Column ‘PS2446_4-chron-NA3’, with variable name ‘age.rangeHigh’, was added to the dataset
  - Column ‘PS2446_4-chron-NA4’, with variable name ‘age’, was added to the dataset
  - Column ‘PS2446_4-chron-NA5’, with variable name ‘depth’, was added to the dataset
  - Column ‘PS2446_4-chron-NA6’, with variable name ‘ageEnsemble’, was added to the dataset
- Chron Column metadata:
  - ageType (RWFWVkKoqAz): chronData_variableName: ‘age_type’ has been replaced by ‘ageType’
  - c14_1s_err (T2L_PS2446_4_c14_1s_err): chronData_units: ‘RC yr BP’ has been replaced by ‘yr 14C BP’
  - c14_date (T2L_PS2446_4_c14_date): chronData_units: ‘RC yr BP’ has been replaced by ‘yr 14C BP’

Version: 1.0.10

lastVersion: 1.0.9
curator: nicholas
timestamp: 2023-05-25 17:54:32 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
- Geographic metadata:
  - geo_elevation: NULL has been replaced by ‘-2022’

Version: 1.0.9

lastVersion: 1.0.8
curator: nicholas
timestamp: 2023-02-09 16:10:47 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
- Paleo Column metadata:
  - age (T2L_PS2446_4_age_median): paleoData_datum: NULL has been replaced by ‘1950’
  - age (T2L_PS2446_4_age_median): paleoData_notes: ‘For Temp12k, the new Bacon age model was used because the original values were missing - these data are the same as ageMedianBacon;’ has been replaced by ‘For Temp12k, the new Bacon age model was used because the original values were missing - these data are the same as ageMedianBacon; ; paleoData_isPrimary has been standardized; paleoData_datum has been standardized’
  - age (T2L_PS2446_4_age_median): paleoData_units: ‘cal years BP’ has been replaced by ‘yr BP’
  - age (T2L_PS2446_4_age_median): paleoData_isPrimary: NULL has been replaced by ‘TRUE’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_datum: NULL has been replaced by ‘1950’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_notes: NULL has been replaced by ‘NA; paleoData_summaryStatistic has been standardized; paleoData_method has been standardized; paleoData_isPrimary has been standardized; paleoData_datum has been standardized’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_units: ‘cal years BP’ has been replaced by ‘yr BP’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_variableName: ‘ageMedianBacon’ has been replaced by ‘age’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_isPrimary: NULL has been replaced by ‘FALSE’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_method: NULL has been replaced by ‘Bacon’
  - age (T2L_PS2446_4_age_medianMedianBacon): paleoData_summaryStatistic: NULL has been replaced by ‘median’
  - age (T2L_PS2446_4_age_original): paleoData_datum: NULL has been replaced by ‘1950’
  - age (T2L_PS2446_4_age_original): paleoData_notes: NULL has been replaced by ‘NA; paleoData_method has been standardized; paleoData_isPrimary has been standardized; paleoData_datum has been standardized’
  - age (T2L_PS2446_4_age_original): paleoData_units: ‘BP’ has been replaced by ‘yr BP’
  - age (T2L_PS2446_4_age_original): paleoData_variableName: ‘ageOriginal’ has been replaced by ‘age’
  - age (T2L_PS2446_4_age_original): paleoData_isPrimary: NULL has been replaced by ‘FALSE’
  - age (T2L_PS2446_4_age_original): paleoData_method: NULL has been replaced by ‘original’
  - d13C (T2L_PS2446_4_d13c_pachyderma): paleoData_notes: NULL has been replaced by ‘NA; paleoData_measurementMaterial has been standardized’
  - d13C (T2L_PS2446_4_d13c_pachyderma): paleoData_variableName: ‘d13c_pachyderma’ has been replaced by ‘d13C’
  - d13C (T2L_PS2446_4_d13c_pachyderma): paleoData_measurementMaterial: NULL has been replaced by ‘pachyderma’
  - d18O (T2L_PS2446_4_d18o_pachyderma): paleoData_notes: NULL has been replaced by ‘NA; paleoData_measurementMaterial has been standardized’
  - d18O (T2L_PS2446_4_d18o_pachyderma): paleoData_variableName: ‘d18o_pachyderma’ has been replaced by ‘d18O’
  - d18O (T2L_PS2446_4_d18o_pachyderma): paleoData_measurementMaterial: NULL has been replaced by ‘pachyderma’
  - depth (T2L_PS2446_4_depth): paleoData_notes: NULL has been replaced by ‘NA; paleoData_isPrimary has been standardized’
  - depth (T2L_PS2446_4_depth): paleoData_isPrimary: NULL has been replaced by ‘TRUE’
- Paleo Interpretation metadata:
  - temperature (T2L_PS2446_4_d18o_pachyderma_SST_from_d18o_pachyderma): interpretation1_variable: ‘T’ has been replaced by ‘temperature’

Version: 1.0.8

lastVersion: 1.0.7
curator: nicholas
timestamp: 2022-07-28 17:39:56 UTC
changes:
- Geographic metadata:
  - geo_elevation: ‘-2022’ has been replaced by NULL

Version: 1.0.7

lastVersion: 1.0.6
curator: nicholas
timestamp: 2022-07-15 23:09:03 UTC
changes:
- Paleo Interpretation metadata:
  - d13c_pachyderma (T2L_PS2446_4_d13c_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’
  - d18o_pachyderma (T2L_PS2446_4_d18o_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’

Version: 1.0.6

lastVersion: 1.0.5
curator: nicholas
timestamp: 2022-05-18 00:29:14 UTC
changes:
- Paleo Interpretation metadata:
  - d13c_pachyderma (T2L_PS2446_4_d13c_pachyderma): interpretation1_scope: ‘climate’ has been replaced by NULL
  - d18o_pachyderma (T2L_PS2446_4_d18o_pachyderma): interpretation1_scope: ‘climate’ has been replaced by NULL

Version: 1.0.5

lastVersion: 1.0.4
curator: nicholas
timestamp: 2021-10-05 21:42:20 UTC
changes:
- Geographic metadata:
  - geo_gcmdLocation: NULL has been replaced by ‘Arctic Ocean’

Version: 1.0.4

lastVersion: 1.0.3
curator: nick
timestamp: 2021-04-13 02:35:57 UTC
changes:
- Paleo Interpretation metadata:
  - temperature (T2L_PS2446_4_d18o_pachyderma_SST_from_d18o_pachyderma): interpretation1_seasonality: ‘annual’ has been replaced by NULL

Version: 1.0.3

lastVersion: 1.0.2
curator: nick
timestamp: 2021-03-17 01:56:56 UTC
changes:
- Paleo Interpretation metadata:
  - d13c_pachyderma (T2L_PS2446_4_d13c_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’
  - d18o_pachyderma (T2L_PS2446_4_d18o_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’

Version: 1.0.2

lastVersion: 1.0.1
curator: nick
timestamp: 2021-01-18 21:41:06 UTC
changes:
- Paleo Interpretation metadata:
  - d13c_pachyderma (T2L_PS2446_4_d13c_pachyderma): interpretation1_scope: ‘climate’ has been replaced by NULL
  - d18o_pachyderma (T2L_PS2446_4_d18o_pachyderma): interpretation1_scope: ‘climate’ has been replaced by NULL

Version: 1.0.1

lastVersion: 1.0.0
curator: nick
timestamp: 2021-01-15 18:50:39 UTC
changes:
- Paleo Interpretation metadata:
  - d13c_pachyderma (T2L_PS2446_4_d13c_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’
  - d18o_pachyderma (T2L_PS2446_4_d18o_pachyderma): interpretation1_scope: NULL has been replaced by ‘climate’

Version: 1.0.0

curator: nick
timestamp: 2020-08-21 15:36:37 UTC
notes: This marks the creation of the changelog, and marks the status of this dataset as of mid 2020
changes:
- Setup:
  - Changelog created