paleo data:
  measurement table:
    google work sheet key: oo74rlf
    table name: D'Andrea
    missing value: NaN
    temperature:
      archive type: lake sediment
      description: inferred temperature
      has max value: -0.557
      has mean value: -0.6338
      has median value: -0.635
      has min value: -0.694
      inferred variable type: Temperature
      measurement table name: measurementTable1
      pages2k ID: Arc_043
      paleo data table name: measTable
      proxy: alkenone
      QC certification: DVD
      t sid: Arc_042
      units: degC
      use in global temperature analysis: TRUE
      variable name: temperature
      variable type: inferred
      WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/Arc-BrayaS.DAndrea.2011.txt
      is primary: false
      primary age column: false
      has time tsid: PYTUW5KGZGG
      values: -0.64
      values: -0.637
      values: -0.614
      values: -0.627
      values: -0.633
      values: -0.616
      values: -0.617
      values: -0.585
      values: -0.62
      values: -0.651
      values: -0.644
      values: -0.634
      values: -0.673
      values: -0.648
      values: -0.629
      values: -0.6
      values: -0.597
      values: -0.645
      values: -0.661
      values: -0.646
      values: -0.642
      values: -0.615
      values: -0.628
      values: -0.63
      values: -0.599
      values: -0.624
      values: -0.581
      values: -0.625
      values: -0.618
      values: -0.632
      values: -0.683
      values: -0.68
      values: -0.694
      values: -0.622
      values: -0.591
      values: -0.653
      values: -0.666
      values: -0.674
      values: -0.659
      values: -0.65
      values: -0.635
      values: -0.668
      values: -0.679
      values: -0.669
      values: -0.671
      values: -0.657
      values: -0.641
      values: -0.601
      values: -0.658
      values: -0.623
      values: -0.557
      values: -0.566
      values: -0.667
      values: -0.689
      values: -0.656
      values: -0.605
      values: -0.639
      values: -0.584
      values: -0.58
    year:
      archive type: lake sediment
      data type: float
      description: Year AD
      has max value: 1999.125
      has mean value: 935.9463
      has median value: 1134.975
      has min value: -997.9
      inferred variable type: Year
      measurement table name: measurementTable1
      paleo data table name: measTable
      t sid: PYTUW5KGZGG
      units: yr AD
      variable name: year
      variable type: inferred
      WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/Arc-BrayaS.DAndrea.2011.txt
      is primary: true
      primary age column: true
      has time tsid: PYTUW5KGZGG
      values: 1999.125
      values: 1985.375
      values: 1971.525
      values: 1957.575
      values: 1943.15
      values: 1928.25
      values: 1913.525
      values: 1898.975
      values: 1884.175
      values: 1854.075
      values: 1839.025
      values: 1824.3
      values: 1809.9
      values: 1795.5
      values: 1781.1
      values: 1766.425
      values: 1751.475
      values: 1736.65
      values: 1721.95
      values: 1707.05
      values: 1691.95
      values: 1684.4
      values: 1676.75
      values: 1661.45
      values: 1646.575
      values: 1639.35
      values: 1632.125
      values: 1617.55
      values: 1602.85
      values: 1587.975
      values: 1572.925
      values: 1557.975
      values: 1543.125
      values: 1528.2
      values: 1513.2
      values: 1498.175
      values: 1483.125
      values: 1460.775
      values: 1431.125
      values: 1401.225
      values: 1371.075
      values: 1311.775
      values: 1267.55
      values: 1223.325
      values: 1134.975
      values: 1046.725
      values: 987.45
      values: 957.15
      values: 926.825
      values: 896.475
      values: 867.8
      values: 840.8
      values: 813.825
      values: 786.875
      values: 761.375
      values: 737.325
      values: 713.6
      values: 690.2
      values: 660.525
      values: 624.575
      values: 589.075
      values: 554.025
chron data:
  measurement table:
    WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/Arc-BrayaS.DAndrea.2011.txt
    missing value: nan
    measurement table name: measurementTable1
    table name: D'Andrea
    lab ID:
      t sid: PYTQ3X04LG2
      number: 1
      units: unitless
      variable name: labID
      missing value: NaN
      values: NaN
      values: OS-60829
      values: OS-61461
      values: OS-60813
      values: AAR-4750
      values: OS61462
      values: AAR-4751
      values: OS-60810
      values: OS-60765
      values: AAR-4755
      values: AAR-4752
      values: OS-60814
      values: AAR-4753
      values: AAR-4754
    age:
      t sid: PYTMTF7YYCN
      has max value: -56
      has mean value: -56
      has median value: -56
      has min value: -56
      number: 2
      units: cal yr
      variable name: age
      missing value: NaN
      values: -56
      values: NaN
archive type: LakeSediment
created by: matlab
dataset id: PjMprPuitlpO84OPvuwr
data set name: Arc-BrayaSoe.D'Andrea.2011
dataset version: 1.0.5
google data URL: https://docs.google.com/spreadsheets/d/1dGqWicaEyrOp1hb2Zs2MTatYU3mQOM3U5f1iplwspdQ
google metadata worksheet: oi3is5r
in compilation1: PAGES2k_v1.0.0
in compilation1: Arc2k_v1.1.1
in compilation2: PAGES2k_v2.0.0
in compilation3: PAGES2k_v2.1.0
lipdverse link: https://lipdverse.org/data/PjMprPuitlpO84OPvuwr/1_0_6
max year: 1999.125
min year: -997.9
original data URL: https://www.ncdc.noaa.gov/paleo/study/11176
lipd version: 1.3
pub: Abrupt Holocene climate change as an important factor for human migration in West Greenland
pub: World Data Center for Paleoclimatology

interp direction: positive
scope: climate
seasonality: Jun-Jul
variable: temperature
variable detail: lake@surface
direction: positive

scope: climate

scope: isotope

scope: isotope

scope: isotope

equation: TÂ =Â 40.8 Uk37 + 31.8
uncertainty: 1.3
uncertainty type: calibrationRMSE

has max value: 89.9
has mean value: 34.0571
has median value: 29.1625
has min value: 7.225
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_2_0

has max value: 89.9
has mean value: 34.0571
has median value: 29.1625
has min value: 7.225
units: AD

t sid: PYTHFGJDHYF
has max value: 1
has mean value: 1
has median value: 1
has min value: 1
number: 3
units: cal yr
variable name: ageUncertainty
missing value: NaN
values: 1
values: NaN

t sid: PYTL7GW7873
has max value: 118
has mean value: 49.8393
has median value: 56.25
number: 4
units: cm
variable name: depth
missing value: NaN
has min value: 0
values: 0
values: 18.5
values: 18.75
values: 21.5
values: 24.5
values: 28
values: 54.5
values: 58
values: 58.5
values: 60
values: 83
values: 94.5
values: 118

t sid: PYTKEY3IE16
has max value: 360
has mean value: 334.2857
has median value: 360
number: 5
units: 14C yr
variable name: deltaR
missing value: NaN
has min value: 0
values: 0
values: 360

t sid: PYT1JUU1NHB
has max value: 50
has mean value: 46.4286
has median value: 50
number: 6
units: 14C yr
variable name: deltaRUncertainty
missing value: NaN
has min value: 0
values: 0
values: 50

t sid: PYT81QKMXHD
has max value: 6735
has mean value: 3315.3846
has median value: 3780
has min value: 465
number: 7
units: 14C yr
variable name: age14C
missing value: NaN
values: NaN
values: 780
values: 465
values: 1430
values: 1585
values: 1500
values: 3685
values: 3950
values: 3920
values: 3780
values: 4185
values: 5300
values: 5785
values: 6735

t sid: PYTZH1WL3DN
has max value: 140
has mean value: 58.4615
has median value: 50
has min value: 25
number: 8
units: 14C yr
variable name: age14CUncertainty
missing value: NaN
values: NaN
values: 25
values: 140
values: 30
values: 45
values: 50
values: 35
values: 55
values: 40
values: 60

method:
  algorithm: Bacon2.2

version: 1.0.6
last version: 1.0.5
curator: nicholas
timestamp: 2025-11-26 21:10:13.71212 UTC
changes:
  paleo interpretation metadata: temperature (Arc_042): interpretation2_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: temperature (Arc_042): interpretation3_scope: '' has been replaced by 'isotope'
  paleo interpretation metadata: temperature (Arc_042): interpretation4_scope: '' has been replaced by 'isotope'
  paleo interpretation metadata: temperature (Arc_042): interpretation5_scope: '' has been replaced by 'isotope'

version: 1.0.5
last version: 1.0.4
curator: nicholas
timestamp: 2025-06-07 00:01:24.178004 UTC
changes:
  paleo interpretation metadata: temperature (Arc_042): interpretation1_direction: '' has been replaced by 'positive'

version: 1.0.4
last version: 1.0.3
curator: nicholas
timestamp: 2025-06-06 23:06:01.627607 UTC
changes:
  paleo column metadata: temperature (Arc_042): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: temperature (Arc_042): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: year (PYTUW5KGZGG): paleoData_isPrimary: '' has been replaced by 'TRUE'
  paleo column metadata: year (PYTUW5KGZGG): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'

version: 1.0.3
last version: 1.0.2
curator: nicholas
timestamp: 2025-06-06 21:15:43.451594 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  base metadata: archiveType: 'lake sediment' has been replaced by 'LakeSediment'
  paleo interpretation metadata: temperature (Arc_042): interpretation1_seasonality: '6 7' has been replaced by 'Jun-Jul'
  paleo interpretation metadata: temperature (Arc_042): interpretation1_variable: 'T' has been replaced by 'temperature'
  paleo column metadata: year (PYTUW5KGZGG): paleoData_units: 'AD' has been replaced by 'yr AD'

version: 1.0.2
last version: 1.0.1
curator: nicholas
timestamp: 2025-06-06 21:02:46.325204 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  base metadata: archiveType: 'lake sediment' has been replaced by 'LakeSediment'
  paleo interpretation metadata: temperature (Arc_042): interpretation1_seasonality: '6 7' has been replaced by 'Jun-Jul'
  paleo interpretation metadata: temperature (Arc_042): interpretation1_variable: 'T' has been replaced by 'temperature'
  paleo column metadata: year (PYTUW5KGZGG): paleoData_units: 'AD' has been replaced by 'yr AD'

version: 1.0.1
last version: 1.0.0
curator: nicholas
timestamp: 2022-08-23 23:46:14 UTC
changes:
  base metadata: dataSetName: 'Arc-BrayaSø.D'Andrea.2011' has been replaced by 'Arc-BrayaSoe.D'Andrea.2011'
  geographic metadata: geo_siteName: 'Braya Sø' has been replaced by 'Braya Soe'

version: 1.0.0
curator: nicholas
timestamp: 2022-08-23 23:41:56 UTC
notes: Starting the changelog

Abrupt Holocene climate change as an important factor for human migration in West Greenland
author:
  name: D'Andrea, W. J.;Huang, Y.;Fritz, S. C.;Anderson, N. J.
cite key: d2011abruptholoceneclimatechan
data url: doi.org
doi: 10.1073/pnas.1101708108
issue: 24
journal: Proceedings of the National Academy of Sciences
pages: 9765-9769
publisher: Proceedings of the National Academy of Sciences
pub year: 2011
type: article
volume: 108
year: 2011

World Data Center for Paleoclimatology
author:
  name: D'Andrea, W.J.
institution: World Data Center for Paleoclimatology
type: dataCitation
url: https://www.ncdc.noaa.gov/paleo/study/11176
urldate: 2011

longitude: -50.7
latitude: 67
elevation: 170
geometry type: Point
pages2k region: Arc
site name: Braya Soe