NA; paleoData_isPrimary has been standardized
NA; paleoData_isPrimary has been standardized; paleoData_datum has been standardized
wNAm-0_15_0, Temp12k-1_0_2, HoloceneAbruptChange-0_10_0
fails age control, gap >3000 years (largest gap is 4170 yrs); five well-spaced ages in Holocene
wNAm-0_15_0, HoloceneAbruptChange-0_10_0
NA; paleoData_summaryStatistic has been standardized
NA; paleoData_method has been standardized
this timeseries was composited programmatically, with the assumption that all values are measured at equivalent levels
Variable name changed from age14C to age during update from DKs csv files.
Variable name changed from age_error to 1SD during update from DKs csv files.
Variable name changed from age_type to type during update from DKs csv files.
This dataset is from version 2 of the Arctic Holocene Transitions Database, and has been expanded to include an ensemble of chronologies, which are included in this file. This is described in McKay et al., 2018: doi:10.1029/2018GL079773
depth (PYT6201W2ZB): interpretation1_scope: '' has been replaced by 'climate'
age (PYTAPIX0ZBG): interpretation1_scope: '' has been replaced by 'climate'
age (PYTZW7G3DPC): interpretation1_scope: '' has been replaced by 'climate'
depth (PYT6201W2ZB): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
age (PYTAPIX0ZBG): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'
temperature (PYTCLN8P1CL): paleoData_isPrimary: '' has been replaced by 'FALSE'
temperature (PYTCLN8P1CL): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
precipitation (PYTCPIAO06Y): paleoData_isPrimary: '' has been replaced by 'FALSE'
precipitation (PYTCPIAO06Y): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
temperature (PYTMLFNC0A7): paleoData_isPrimary: '' has been replaced by 'FALSE'
temperature (PYTMLFNC0A7): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
age (PYTZW7G3DPC): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'
temperature (RSvtIc0N66Y): paleoData_isPrimary: '' has been replaced by 'FALSE'
temperature (RSvtIc0N66Y): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
Updated lipdverse database entry with a changed file.
Column 'Andy.Szeicz.1995-chron-NA1', with variable name 'depth', was added to the dataset
Column 'Andy.Szeicz.1995-chron-NA2', with variable name 'age.rangeLow', was added to the dataset
Column 'Andy.Szeicz.1995-chron-NA3', with variable name 'age.rangeHigh', was added to the dataset
Column 'Andy.Szeicz.1995-chron-NA4', with variable name 'age', was added to the dataset
Column 'rcnR4Y2dllBJ6y1AouGX', with variable name 'age', was added to the dataset
Column 'rcnR5pxEvNm9T42jeE6y', with variable name 'sampleID', was added to the dataset
Column 'rcnRE7zWYbQlrRMJV0W6', with variable name 'rejected', was added to the dataset
Column 'rcnRPkkwNRUB7rWjoSkV', with variable name 'depth', was added to the dataset
Column 'rcnRR0nTIFJrjjKsLWEV', with variable name 'depth', was added to the dataset
Column 'rcnRW0cIVR5XQs0YLLcZ', with variable name 'age.rangeLow', was added to the dataset
Column 'rcnRg9nWJQxNaKvSrDsj', with variable name 'ageEnsemble', was added to the dataset
Column 'rcnRgnTHYZ1q8N8ipWXq', with variable name 'age.rangeHigh', was added to the dataset
Column 'rcnRkkmzC2BRq4Mn24zA', with variable name 'uncertainty1s', was added to the dataset
Column 'rcnRqfWGj8hRL9I5awva', with variable name 'age', was added to the dataset
age14C_uncertainty1s (PYT2GTWN8A0): chronData_units: 'yr' has been replaced by 'yr 14C BP'
age14C_uncertainty1s (PYT2GTWN8A0): chronData_variableName: '1SD' has been replaced by 'age14C_uncertainty1s'
age14C (PYT62PC6FDU): chronData_units: 'yr' has been replaced by 'yr 14C BP'
age14C (PYT62PC6FDU): chronData_variableName: 'age' has been replaced by 'age14C'
ageType (PYTTZVIIBBP): chronData_variableName: 'age_type' has been replaced by 'ageType'
age14C_uncertainty1s (PYT2GTWN8A0): The size of the chronData_values have changed, from 5 to 6 entries.
age14C (PYT62PC6FDU): The size of the chronData_values have changed, from 5 to 6 entries.
depth (PYT84EAWQ3N): The size of the chronData_values have changed, from 5 to 6 entries.
ageType (PYTTZVIIBBP): The size of the chronData_values have changed, from 5 to 6 entries.
temperature (RSvtIc0N66Y): interpretation1_seasonalityGeneral: 'annual' has been replaced by 'Annual'
temperature (PYTCLN8P1CL): paleoData_proxyGeneral: 'pollen' has been replaced by 'floral assemblage'
precipitation (PYTCPIAO06Y): paleoData_proxyGeneral: 'pollen' has been replaced by 'floral assemblage'
temperature (PYTMLFNC0A7): paleoData_proxyGeneral: 'pollen' has been replaced by 'floral assemblage'
temperature (RSvtIc0N66Y): paleoData_proxyGeneral: 'pollen' has been replaced by 'floral assemblage'
originalDataUrl: 'www.ncdc.noaa.gov/paleo/study/15444' has been replaced by 'https://doi.org/10.25921/pak9-az20'
precipitation (PYTCPIAO06Y): interpretation1_variableDetail: 'precipitation@surface' has been replaced by 'amount@surface'
geo_elevation: '' has been replaced by '1360'
depth (PYT6201W2ZB): paleoData_isPrimary: '' has been replaced by 'TRUE'
depth (PYT6201W2ZB): paleoData_notes: '' has been replaced by 'NA; paleoData_isPrimary has been standardized'
age (PYTAPIX0ZBG): paleoData_datum: '' has been replaced by '1950'
age (PYTAPIX0ZBG): paleoData_units: 'BP' has been replaced by 'yr BP'
age (PYTAPIX0ZBG): paleoData_isPrimary: '' has been replaced by 'TRUE'
age (PYTAPIX0ZBG): paleoData_notes: '' has been replaced by 'NA; paleoData_isPrimary has been standardized; paleoData_datum has been standardized'
precipitation (PYTCPIAO06Y): paleoData_units: 'mm/a' has been replaced by 'mm/yr'
precipitation (PYTCPIAO06Y): paleoData_variableName: 'Panom' has been replaced by 'precipitation'
precipitation (PYTCPIAO06Y): paleoData_notes: '' has been replaced by 'NA; paleoData_summaryStatistic has been standardized'
precipitation (PYTCPIAO06Y): paleoData_summaryStatistic: '' has been replaced by 'anomaly'
age (PYTZW7G3DPC): paleoData_datum: '' has been replaced by '1950'
age (PYTZW7G3DPC): paleoData_units: 'BP' has been replaced by 'yr BP'
age (PYTZW7G3DPC): paleoData_isPrimary: '' has been replaced by 'TRUE'
age (PYTZW7G3DPC): paleoData_notes: '' has been replaced by 'NA; paleoData_isPrimary has been standardized; paleoData_datum has been standardized'
temperature (RSvtIc0N66Y): paleoData_variableName: 'temperatureComposite' has been replaced by 'temperature'
temperature (RSvtIc0N66Y): paleoData_method: '' has been replaced by 'composite'
temperature (RSvtIc0N66Y): paleoData_notes: '' has been replaced by 'NA; paleoData_method has been standardized'
temperature (PYTCLN8P1CL): interpretation1_seasonality: 'warmest month' has been replaced by 'Warmest Month'
temperature (PYTCLN8P1CL): interpretation1_variable: 'T' has been replaced by 'temperature'
precipitation (PYTCPIAO06Y): interpretation1_seasonality: '1,2,3,4,5,6,7,8,9,10,11,12' has been replaced by 'Annual'
precipitation (PYTCPIAO06Y): interpretation1_variable: 'P' has been replaced by 'precipitation'
temperature (PYTMLFNC0A7): interpretation1_seasonality: 'coldest month' has been replaced by 'Coldest Month'
temperature (PYTMLFNC0A7): interpretation1_variable: 'T' has been replaced by 'temperature'
temperature (RSvtIc0N66Y): interpretation1_seasonality: 'warmest + coldest month' has been replaced by 'Annual'
temperature (RSvtIc0N66Y): interpretation1_variable: 'T' has been replaced by 'temperature'
pub1_volume: '113' has been replaced by ''
Panom (PYTCPIAO06Y): interpretation1_seasonality: 'annual' has been replaced by '1,2,3,4,5,6,7,8,9,10,11,12'
geo_elevation: '1360' has been replaced by ''
Panom (PYTCPIAO06Y): interpretation1_seasonalityGeneral: 'annual' has been replaced by 'Annual'
Panom (PYTCPIAO06Y): interpretation1_variableDetail: 'precip@surface' has been replaced by 'precipitation@surface'
temperature (PYTCLN8P1CL): paleoData_mostRecentCompilations: '' has been replaced by 'wNAm-0_15_0, Temp12k-1_0_2, HoloceneAbruptChange-0_10_0'
Panom (PYTCPIAO06Y): paleoData_mostRecentCompilations: '' has been replaced by 'wNAm-0_15_0, HoloceneAbruptChange-0_10_0'
temperature (PYTMLFNC0A7): paleoData_mostRecentCompilations: '' has been replaced by 'wNAm-0_15_0, Temp12k-1_0_2, HoloceneAbruptChange-0_10_0'
temperatureComposite (RSvtIc0N66Y): paleoData_mostRecentCompilations: '' has been replaced by 'wNAm-0_15_0, Temp12k-1_0_2, HoloceneAbruptChange-0_10_0'
Panom (PYTCPIAO06Y): interpretation1_seasonality: '1,2,3,4,5,6,7,8,9,10,11,12' has been replaced by 'annual'
Panom (PYTCPIAO06Y): interpretation1_variableDetail: 'p_anom@surface' has been replaced by 'precip@surface'
Panom (PYTCPIAO06Y): paleoData_variableName: 'precipitation' has been replaced by 'Panom'
Panom (PYTCPIAO06Y): interpretation1_variableDetail: 'precipitation@surface' has been replaced by 'p_anom@surface'
precipitation (PYTCPIAO06Y): paleoData_units: 'mm' has been replaced by 'mm/a'
precipitation (PYTCPIAO06Y): interpretation1_seasonality: '1,2,3,4,5,6,7,8,9,10,11,36' has been replaced by '1,2,3,4,5,6,7,8,9,10,11,12'
precipitation (PYTCPIAO06Y): interpretation1_variableDetail: 'amount@surface' has been replaced by 'precipitation@surface'
pub1_author: 'list(list(name = "Szeicz, Julian M."), list(name = "MacDonald, Glen M."), list(name = "Duk-Rodkin, Alejandra"))' has been replaced by 'Szeicz, Julian M.'
precipitation (PYTCPIAO06Y): interpretation1_seasonality: 'annual' has been replaced by '1,2,3,4,5,6,7,8,9,10,11,36'
precipitation (PYTCPIAO06Y): interpretation1_seasonalityGeneral: 'annual' has been replaced by 'Annual'
This marks the creation of the changelog, and marks the status of this dataset as of Temp12k version 1.0.1
Palaeogeography, Palaeoclimatology, Palaeoecology
Late Quaternary vegetation history of the central Mackenzie Mountains, Northwest Territories, Canada
Arctic Holocene proxy climate database – new approaches to assessing geochronological accuracy and encoding climate variables
North America>Canada>Northwest Territories