paleo data:
  measurement table:
    google work sheet key: oa3q51a
    table name: paleo1measurement1
    missing value: NaN
    sample count:
      archive type: tree
      has max value: 58
      has mean value: 36.3358
      has median value: 47
      has min value: 1
      is primary: false
      long name: segment
      mean value12k: NA
      measurement table name: measurementTable1
      median res12k: NA
      paleo data table name: TRW
      proxy observation type: sampleCount
      sensor species: PCGL
      t sid: NAm_937
      units: count
      use in global temperature analysis: FALSE
      variable name: sampleCount
      variable type: measured
      WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
      primary age column: false
      has time tsid: PYT3PFI4EH8
      values: 1
      values: 2
      values: 3
      values: 4
      values: 8
      values: 10
      values: 12
      values: 14
      values: 16
      values: 18
      values: 19
      values: 20
      values: 23
      values: 27
      values: 33
      values: 34
      values: 38
      values: 39
      values: 44
      values: 48
      values: 52
      values: 53
      values: 54
      values: 56
      values: 58
      values: 55
      values: 51
      values: 50
      values: 49
      values: 47
      values: 45
      values: 43
      interpretation:
        scope: climate
      has resolution:
        has max value: 1
        has mean value: 1
        has median value: 1
        has min value: 1
        units: AD
      in compilation beta:
        compilation name: Pages2kTemperature
        compilation version: 2_1_1
        compilation version: 2_1_2
        compilation version: 2_1_3
        compilation version: 2_1_4
    year:
      archive type: tree
      data type: float
      description: Year AD
      has max value: 1977
      has mean value: 1773.5
      has median value: 1773.5
      has min value: 1570
      inferred variable type: Year
      is primary: true
      long name: segment
      measurement table name: measurementTable1
      paleo data table name: TRW
      t sid: PYT3PFI4EH8
      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/NAm-SpruceCreek.Church.1981.txt
      primary age column: true
      has time tsid: PYT3PFI4EH8
      values: 1570
      values: 1571
      values: 1572
      values: 1573
      values: 1574
      values: 1575
      values: 1576
      values: 1577
      values: 1578
      values: 1579
      values: 1580
      values: 1581
      values: 1582
      values: 1583
      values: 1584
      values: 1585
      values: 1586
      values: 1587
      values: 1588
      values: 1589
      values: 1590
      values: 1591
      values: 1592
      values: 1593
      values: 1594
      values: 1595
      values: 1596
      values: 1597
      values: 1598
      values: 1599
      values: 1600
      values: 1601
      values: 1602
      values: 1603
      values: 1604
      values: 1605
      values: 1606
      values: 1607
      values: 1608
      values: 1609
      values: 1610
      values: 1611
      values: 1612
      values: 1613
      values: 1614
      values: 1615
      values: 1616
      values: 1617
      values: 1618
      values: 1619
      values: 1620
      values: 1621
      values: 1622
      values: 1623
      values: 1624
      values: 1625
      values: 1626
      values: 1627
      values: 1628
      values: 1629
      values: 1630
    segment length:
      archive type: tree
      has max value: 408
      has mean value: 294.7101
      has median value: 262.189
      has min value: 249.231
      is primary: false
      long name: segment
      mean value12k: NA
      measurement table name: measurementTable1
      median res12k: NA
      paleo data table name: TRW
      sensor species: PCGL
      summary statistic: mean
      t sid: NAm_938
      use in global temperature analysis: FALSE
      variable name: segmentLength
      variable type: measured
      WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
      primary age column: false
      has time tsid: PYT3PFI4EH8
      values: 408
      values: 407
      values: 380
      values: 361.75
      values: 350.875
      values: 344.9
      values: 331.417
      values: 318.786
      values: 307
      values: 301.778
      values: 299.474
      values: 295.45
      values: 289.609
      values: 284.481
      values: 278.788
      values: 278.029
      values: 275.079
      values: 273.564
      values: 269.636
      values: 266.417
      values: 263.077
      values: 262.189
      values: 260.87
      values: 258.268
      values: 255.603
      values: 255.804
      values: 256
      values: 254.704
      values: 255.434
      values: 255.173
      values: 254.157
      values: 254.86
      values: 255.306
      values: 257
      values: 257.4
      values: 257.545
      values: 257.674
      values: 249.231
ages per kyr: NA
archive type: Wood
created by: matlab
data contributor: GTP
dataset id: 0Pki3fEjvjPd5PVYug7m
data set name: NAm-SpruceCreek.Church.1981
dataset version: 1.0.6
google data URL: https://docs.google.com/spreadsheets/d/1GjKr0esq7p-XLFst8ODbz4_cib1APKOtYl_N3JoRBVU
google metadata worksheet: o2kgish
google spread sheet key: 1GjKr0esq7p-XLFst8ODbz4_cib1APKOtYl_N3JoRBVU
lipdverse link: https://lipdverse.org/data/0Pki3fEjvjPd5PVYug7m/1_0_7
max year: 1977
min year: 1570
original data URL: https://www.ncdc.noaa.gov/paleo/study/2939
lipd version: 1.3
pub: Tree-Ring Width Chronologies from the North American Arctic
pub: World Data Center for Paleoclimatology

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

scope: climate

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

basis: first principles and instrumental correlation
interp direction: positive
scope: climate
seasonality: Summer
variable: temperature
variable detail: air@surface
direction: positive

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4
compilation version: 2_2_0

scope: climate

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

scope: climate

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

scope: climate

has max value: 1
has mean value: 1
has median value: 1
has min value: 1
units: AD

compilation name: Pages2kTemperature
compilation version: 2_1_1
compilation version: 2_1_2
compilation version: 2_1_3
compilation version: 2_1_4

archive type: tree
has max value: 0.776
has mean value: 0.4016
has median value: 0.388
has min value: 0.113
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
proxy observation type: ringWidth
sensor species: PCGL
t sid: NAm_939
units: cm
use in global temperature analysis: FALSE
variable name: ringWidth
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 0.35
values: 0.55
values: 0.4
values: 0.41
values: 0.53
values: 0.425
values: 0.37
values: 0.385
values: 0.28
values: 0.25
values: 0.205
values: 0.33
values: 0.325
values: 0.285
values: 0.345
values: 0.225
values: 0.275
values: 0.245
values: 0.395
values: 0.445
values: 0.51
values: 0.315
values: 0.455
values: 0.465
values: 0.72
values: 0.555
values: 0.655
values: 0.56
values: 0.36
values: 0.34
values: 0.46
values: 0.71
values: 0.38
values: 0.47
values: 0.43
values: 0.6
values: 0.68
values: 0.59
values: 0.63
values: 0.75
values: 0.69
values: 0.73
values: 0.42
values: 0.26
values: 0.61
values: 0.475
values: 0.725
values: 0.48
values: 0.525
values: 0.495
values: 0.52
values: 0.404
values: 0.384
values: 0.336
values: 0.303
values: 0.377
values: 0.388
values: 0.15
values: 0.128

archive type: tree
has max value: 2.804
has mean value: 0.9687
has median value: 0.9295
has min value: 0.216
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
pages2k ID: NAm_112
paleo data table name: TRW
proxy: ring width
proxy general: dendrophysical
proxy observation type: trsgi
QC certification: GTP, CCR
sensor species: PCGL
t sid: NAm_940
use in global temperature analysis: TRUE
variable name: ringWidth
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 2.31
values: 2.804
values: 1.265
values: 1.198
values: 1.36
values: 1.085
values: 0.905
values: 0.92
values: 0.681
values: 0.617
values: 0.519
values: 0.725
values: 0.714
values: 0.635
values: 0.526
values: 0.599
values: 0.545
values: 0.776
values: 0.847
values: 0.941
values: 0.682
values: 0.632
values: 0.584
values: 0.626
values: 0.833
values: 0.844
values: 1.215
values: 0.974
values: 1.118
values: 0.887
values: 1.017
values: 0.562
values: 0.993
values: 1.091
values: 0.766
values: 0.726
values: 0.863
values: 0.758
values: 1
values: 1.188
values: 1.19
values: 1.181
values: 1.317
values: 1.624
values: 1.159
values: 1.392
values: 1.29
values: 1.52
values: 1.046
values: 1.535
values: 1.172
values: 0.933
values: 0.79
values: 0.596
values: 1.293
values: 1.314

archive type: tree
has max value: 1.997
has mean value: 0.9858
has median value: 0.984
has min value: 0.22
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
t sid: NAm_941
use in global temperature analysis: FALSE
variable name: residualChronology
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 1.609
values: 1.997
values: 0.623
values: 0.682
values: 0.994
values: 0.653
values: 0.705
values: 0.878
values: 0.612
values: 0.702
values: 0.731
values: 1
values: 1.008
values: 0.901
values: 1.048
values: 0.763
values: 0.887
values: 0.88
values: 1.098
values: 1.169
values: 1.167
values: 0.853
values: 0.794
values: 0.796
values: 0.852
values: 1.147
values: 1.101
values: 1.446
values: 1.119
values: 0.935
values: 0.746
values: 0.634
values: 1.014
values: 1.301
values: 0.758
values: 0.94
values: 0.951
values: 0.819
values: 1.206
values: 1.3
values: 1.131
values: 1.095
values: 1.096
values: 1.414
values: 1.046
values: 1.033
values: 1.064
values: 1.347
values: 0.689
values: 1.252
values: 0.959
values: 0.464
values: 0.768
values: 0.536
values: 1.397
values: 1.306
values: 1.001
values: 1.591
values: 1.173
values: 1.346
values: 0.524

archive type: tree
has max value: 2.202
has mean value: 0.9893
has median value: 0.9715
has min value: 0.28
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
method: ARSTAN
paleo data table name: TRW
sensor species: PCGL
t sid: NAm_942
use in global temperature analysis: FALSE
variable name: ARSTAN
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 1.749
values: 2.202
values: 0.992
values: 1.081
values: 1.259
values: 0.884
values: 0.767
values: 0.876
values: 0.578
values: 0.59
values: 0.548
values: 0.797
values: 0.781
values: 0.726
values: 0.886
values: 0.641
values: 0.765
values: 0.727
values: 0.964
values: 1.031
values: 1.105
values: 0.836
values: 0.807
values: 0.763
values: 0.786
values: 1.009
values: 1.403
values: 1.076
values: 1.234
values: 1.036
values: 0.88
values: 0.676
values: 0.997
values: 1.227
values: 0.736
values: 0.923
values: 0.916
values: 0.803
values: 1.126
values: 1.257
values: 1.162
values: 1.166
values: 1.208
values: 1.54
values: 1.205
values: 1.236
values: 1.239
values: 1.539
values: 0.87
values: 1.432
values: 1.084
values: 0.644
values: 0.787
values: 0.512
values: 1.273
values: 1.157
values: 1.002
values: 1.596
values: 1.307
values: 1.549

archive type: tree
has max value: 1653
has mean value: 769.8015
has median value: 1081
has min value: 3
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
summary statistic: CORR
t sid: NAm_943
use in global temperature analysis: FALSE
variable name: correlationCoefficient
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 3
values: 6
values: 28
values: 91
values: 703
values: 1326
values: 1378
values: 1653
values: 1081
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
has max value: 0.6545
has mean value: 0.5628
has median value: 0.5808
has min value: 0.4683
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
t sid: NAm_944
use in global temperature analysis: FALSE
variable name: RBAR
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 0.4892
values: 0.5015
values: 0.5863
values: 0.5808
values: 0.4683
values: 0.5282
values: 0.5154
values: 0.581
values: 0.5844
values: 0.5748
values: 0.6228
values: 0.6545
values: 0.6494
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
has max value: 0.1804
has mean value: 0.1389
has median value: 0.131
has min value: 0.0999
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
summary statistic: 1 sigma
t sid: NAm_945
use in global temperature analysis: FALSE
variable name: uncertainty1s
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 0.1281
values: 0.1693
values: 0.1595
values: 0.1377
values: 0.1804
values: 0.1789
values: 0.1577
values: 0.1444
values: 0.1426
values: 0.131
values: 0.1186
values: 0.0999
values: 0.1137
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
has max value: 0.0739
has mean value: 0.0235
has median value: 0.0043
has min value: 0.0027
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
summary statistic: 1 sigma
t sid: NAm_946
use in global temperature analysis: FALSE
variable name: uncertainty1s
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 0.0739
values: 0.0691
values: 0.0301
values: 0.0144
values: 0.0189
values: 0.0067
values: 0.0043
values: 0.0039
values: 0.0035
values: 0.0032
values: 0.0029
values: 0.0027
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
has max value: 0.9909
has mean value: 0.9483
has median value: 0.9829
has min value: 0.8272
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
t sid: NAm_947
use in global temperature analysis: FALSE
variable name: EPS
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 0.8272
values: 0.9021
values: 0.9474
values: 0.9607
values: 0.9667
values: 0.982
values: 0.9829
values: 0.9875
values: 0.9879
values: 0.9874
values: 0.9897
values: 0.9909
values: 0.9899
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

archive type: tree
has max value: 58
has mean value: 37.0998
has median value: 53.12
has min value: 5
is primary: false
long name: segment
mean value12k: NA
measurement table name: measurementTable1
median res12k: NA
paleo data table name: TRW
sensor species: PCGL
t sid: NAm_948
use in global temperature analysis: FALSE
variable name: core
variable type: measured
WDS paleo url: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/pages2k-temperature-v2-2017/data-version-2.0.0/NAm-SpruceCreek.Church.1981.txt
primary age column: false
has time tsid: PYT3PFI4EH8
values: 5
values: 9.16
values: 12.72
values: 17.64
values: 32.94
values: 48.66
values: 54.14
values: 56.78
values: 58
values: 57.34
values: 53.12
interpretation:
  scope: climate
has resolution:
  has max value: 1
  has mean value: 1
  has median value: 1
  has min value: 1
  units: AD
in compilation beta:
  compilation name: Pages2kTemperature
  compilation version: 2_1_1
  compilation version: 2_1_2
  compilation version: 2_1_3
  compilation version: 2_1_4

version: 1.0.7
last version: 1.0.6
curator: nicholas
timestamp: 2025-06-07 00:01:46.66146 UTC
changes:
  paleo interpretation metadata: ringWidth (NAm_940): interpretation1_direction: '' has been replaced by 'positive'

version: 1.0.6
last version: 1.0.5
curator: nicholas
timestamp: 2025-05-20 19:53:01.219891 UTC
changes:
  paleo column metadata: sampleCount (NAm_937): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: sampleCount (NAm_937): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: segmentLength (NAm_938): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: segmentLength (NAm_938): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_939): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_939): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_940): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ringWidth (NAm_940): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: residualChronology (NAm_941): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: residualChronology (NAm_941): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: ARSTAN (NAm_942): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: ARSTAN (NAm_942): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: correlationCoefficient (NAm_943): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: correlationCoefficient (NAm_943): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: RBAR (NAm_944): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: RBAR (NAm_944): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_945): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_946): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: EPS (NAm_947): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: EPS (NAm_947): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: core (NAm_948): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: core (NAm_948): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: year (PYT3PFI4EH8): paleoData_isPrimary: '' has been replaced by 'TRUE'
  paleo column metadata: year (PYT3PFI4EH8): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'

version: 1.0.5
last version: 1.0.4
curator: nicholas
timestamp: 2025-04-09 21:53:49.286799 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  paleo interpretation metadata: ringWidth (NAm_940): interpretation1_seasonality: 'summer' has been replaced by 'Summer'
  paleo interpretation metadata: ringWidth (NAm_940): interpretation1_variable: 'T' has been replaced by 'temperature'

version: 1.0.4
last version: 1.0.3
curator: nicholas
timestamp: 2025-04-09 20:08:11.331561 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo interpretation metadata: ringWidth (NAm_940): interpretation1_seasonality: 'summer' has been replaced by 'Summer'
  paleo interpretation metadata: ringWidth (NAm_940): interpretation1_variable: 'T' has been replaced by 'temperature'

version: 1.0.3
last version: 1.0.2
curator: nicholas
timestamp: 2025-03-05 20:42:15.774146 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo column metadata: sampleCount (NAm_937): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: segmentLength (NAm_938): paleoData_variableName: 'segment' has been replaced by 'segmentLength'
  paleo column metadata: segmentLength (NAm_938): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: segmentLength (NAm_938): paleoData_summaryStatistic: '' has been replaced by 'mean'
  paleo column metadata: ringWidth (NAm_939): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ringWidth (NAm_940): paleoData_proxy: 'TRW' has been replaced by 'ring width'
  paleo column metadata: ringWidth (NAm_940): paleoData_variableName: 'trsgi' has been replaced by 'ringWidth'
  paleo column metadata: ringWidth (NAm_940): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ringWidth (NAm_940): paleoData_proxyGeneral: '' has been replaced by 'dendrophysical'
  paleo column metadata: residualChronology (NAm_941): paleoData_variableName: 'residual' has been replaced by 'residualChronology'
  paleo column metadata: residualChronology (NAm_941): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ARSTAN (NAm_942): paleoData_variableName: 'ARS' has been replaced by 'ARSTAN'
  paleo column metadata: ARSTAN (NAm_942): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: ARSTAN (NAm_942): paleoData_method: '' has been replaced by 'ARSTAN'
  paleo column metadata: correlationCoefficient (NAm_943): paleoData_variableName: 'corrs' has been replaced by 'correlationCoefficient'
  paleo column metadata: correlationCoefficient (NAm_943): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: correlationCoefficient (NAm_943): paleoData_summaryStatistic: '' has been replaced by 'CORR'
  paleo column metadata: RBAR (NAm_944): paleoData_variableName: 'RBar' has been replaced by 'RBAR'
  paleo column metadata: RBAR (NAm_944): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_945): paleoData_variableName: 'SD' has been replaced by 'uncertainty1s'
  paleo column metadata: uncertainty1s (NAm_945): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_945): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_945): paleoData_summaryStatistic: '' has been replaced by '1 sigma'
  paleo column metadata: uncertainty1s (NAm_946): paleoData_variableName: 'SE' has been replaced by 'uncertainty1s'
  paleo column metadata: uncertainty1s (NAm_946): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: uncertainty1s (NAm_946): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: uncertainty1s (NAm_946): paleoData_summaryStatistic: '' has been replaced by '1 sigma'
  paleo column metadata: EPS (NAm_947): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: core (NAm_948): paleoData_longName: '' has been replaced by 'segment'
  paleo column metadata: year (PYT3PFI4EH8): paleoData_units: 'AD' has been replaced by 'yr AD'
  paleo column metadata: year (PYT3PFI4EH8): paleoData_longName: '' has been replaced by 'segment'

version: 1.0.2
last version: 1.0.1
curator: nicholas
timestamp: 2025-02-24 22:50:03.466822 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  base metadata: archiveType: 'tree' has been replaced by 'Wood'

version: 1.0.1
last version: 1.0.0
curator: nicholas
timestamp: 2022-08-23 23:47:11 UTC
changes:
  paleo interpretation metadata: sampleCount (NAm_937): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: segment (NAm_938): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: ringWidth (NAm_939): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: residual (NAm_941): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: ARS (NAm_942): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: corrs (NAm_943): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: RBar (NAm_944): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: SD (NAm_945): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: SE (NAm_946): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: EPS (NAm_947): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: core (NAm_948): interpretation1_scope: '' has been replaced by 'climate'

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

Tree-Ring Width Chronologies from the North American Arctic
author: Cropper, John P.;Fritts, Harold C.
cite key: cropper1981treeringwidthchronologies
data url: doi.org
doi: 10.2307/1551032
issue: 3
journal: Arctic and Alpine Research
pages: 245
publisher: JSTOR
pub year: 1981
type: journal-article
volume: 13
year: 1981

World Data Center for Paleoclimatology
author: Church, M.
institution: World Data Center for Paleoclimatology
type: dataCitation
url: https://www.ncdc.noaa.gov/paleo/study/2939
urldate: 1995

longitude: -138.6
latitude: 68.6
elevation: 381
geometry type: Point
pages2k region: NAm
site name: Spruce Creek