paleo data:
  measurement table:
    google work sheet key: o7n8emf
    table name: paleo1measurement1
    missing value: NaN
    d18 o:
      description: carbonate
      has chron: 1
      has max value: 7.37
      has mean value: 5.0416
      has median value: 4.786
      has min value: 2.194
      has paleo depth: 1
      inferred material: lake water
      inferred material group: surface water
      inferred material group original: lake water
      instrument: VG-PRISM mass spectrometer
      iso2k certification: MJ
      iso2k primary timeseries: TRUE
      iso2k UI: LS97HOKA01
      long name: AD
      measurement material: ostracod
      measurement material detail: Limnocythere gr. inopinata (typically c. 20 valves per sample)
      measurement standard: PDB
      measurement table name: measurementTable1
      median res12k: NA
      notes: ; archiveType changed - was originally Lake sediment (LS)
      paleo data table name: pt1_1
      QC certification: MJ
      sampling method: contiguous 1cm samples from pit
      t sid: LS97HOKA1a
      uncertainty analytical: 0.12
      units: permil
      variable name: d18O
      variable type: measured
      is primary: false
      primary age column: false
      has time tsid: MAT5a83d3ba3b
      values: 6.032
      values: 6.824
      values: NaN
      values: 6.134
      values: 6.519
      values: 6.424
      values: 5.88
      values: 5.684
      values: 5.219
      values: 5.218
      values: 6.193
      values: 7.133
      values: 6.897
      values: 6.973
      values: 6.812
      values: 5.635
      values: 5.606
      values: 6.171
      values: 6.986
      values: 6.809
      values: 7.267
      values: 6.803
      values: 5.939
      values: 4.786
      values: 6.781
      values: 6.285
      values: 5.343
      values: 5.164
      values: 5.55
      values: 5.289
      values: 6.59
      values: 7.235
      values: 6.307
      values: 6.414
      values: 7.37
      values: 6.8
      values: 6.978
      values: 7.258
      values: 7.296
      values: 6.499
      values: 5.907
      values: 6.036
      values: 5.888
      values: 6.029
      values: 6.694
      values: 6.045
      values: 4.872
      values: 6.224
    year:
      data type: float
      description: Year AD
      has max value: 1836
      has mean value: 317
      has median value: 444.5
      has min value: -1645
      inferred variable type: year
      iso2k primary timeseries: FALSE
      long name: AD
      measurement table name: measurementTable1
      median res12k: NA
      paleo data table name: pt1_1
      sampling method: contiguous 1cm samples from pit
      t sid: MAT5a83d3ba3b
      units: yr AD
      units original: CE
      variable name: year
      variable type: inferred
      is primary: true
      primary age column: true
      has time tsid: MAT5a83d3ba3b
      values: 114
      values: 130
      values: 145
      values: 161
      values: 178
      values: 194
      values: 211
      values: 228
      values: 245
      values: 263
      values: 280
      values: 298
      values: 316
      values: 335
      values: 353
      values: 372
      values: 391
      values: 410
      values: 430
      values: 450
      values: 470
      values: 490
      values: 510
      values: 531
      values: 552
      values: 573
      values: 594
      values: 615
      values: 637
      values: 659
      values: 681
      values: 703
      values: 726
      values: 748
      values: 771
      values: 795
      values: 818
      values: 841
      values: 865
      values: 889
      values: 913
      values: 937
      values: 962
      values: 987
      values: 1012
      values: 1037
      values: 1062
      values: 1087
      values: 1113
      values: 1139
      values: 1165
      values: 1191
      values: 1218
      values: 1244
      values: 1271
      values: 1298
      values: 1325
      values: 1352
      values: 1380
    depth:
      data type: float
      description: depth
      has max value: 3595
      has mean value: 1633
      has median value: 1505.5
      has min value: 114
      iso2k primary timeseries: FALSE
      long name: AD
      measurement table name: measurementTable1
      median res12k: NA
      paleo data table name: pt1_1
      sampling method: contiguous 1cm samples from pit
      t sid: MATeb6bfe7013
      units: cm
      variable name: depth
      variable type: measured
      is primary: false
      primary age column: false
      has time tsid: MAT5a83d3ba3b
      values: 114
      values: 130
      values: 145
      values: 161
      values: 178
      values: 194
      values: 211
      values: 228
      values: 245
      values: 263
      values: 280
      values: 298
      values: 316
      values: 335
      values: 353
      values: 372
      values: 391
      values: 410
      values: 430
      values: 450
      values: 470
      values: 490
      values: 510
      values: 531
      values: 552
      values: 573
      values: 594
      values: 615
      values: 637
      values: 659
      values: 681
      values: 703
      values: 726
      values: 748
      values: 771
      values: 795
      values: 818
      values: 841
      values: 865
      values: 889
      values: 913
      values: 937
      values: 962
      values: 987
      values: 1012
      values: 1037
      values: 1062
      values: 1087
      values: 1113
      values: 1139
      values: 1165
      values: 1191
      values: 1218
      values: 1244
      values: 1271
      values: 1298
      values: 1325
      values: 1352
      values: 1380
      values: 1407
      values: 1435
archive type: LakeSediment
archive type original: lake sediment
created by: matlab
dataset id: xfDZQAuBvICCPhTZHPrL
data set name: LS97HOKA
dataset version: 1.0.5
google metadata worksheet: ovof3xb
has chron: 0
has depth: 1
has paleo depth: 1
lipdverse link: https://lipdverse.org/data/xfDZQAuBvICCPhTZHPrL/1_0_5
max year: 3594
min year: 114
n unique ages: 0
n unique good ages: 0
n unique other ages: 0
original data url: this compilation
sampling method: contiguous 1cm samples from pit
lipd version: 1.3
pub: Holocene palaeolimnology of Kajemamm Oasis, Northern Nigeria: an isotopic study of ostracodes, bulk carbonate and organic carbon

scope: climate

scope: climate

scope: climate

basis: In a closed, low-latitude lake basin, the d18O values of the lake water, which are the main control on the d18O values of carbonates, are influenced largely by the balance between inflow (mainly shallow groundwater, in the case of Kajemarum) and evaporation (Talbot 1990). Thus, the d18O record in endogenic carbonate should largely reflect salinity.
direction: negative
inferred material: lake water
rank: 1
scope: isotope
variable: hydrologicBalance
variable group: EffectiveMoisture
variable group direction: negative
variable group original: I_E
coefficient: NA
fraction: NA

direction: negative
inferred material: Lake water
rank: 2
scope: isotope
variable: temperature
variable group: Temperature
variable group direction: negative
variable group original: T_water
coefficient: NA
fraction: NA

basis: Changes in d18O values that do not parallel those in Sr/Ca, however, are best explained by changes in water temperature, or in the 18O/16O ratio of precipitation. Changes in the isotopic composition of precipitation may be brought about by shifts in water-vapour source, air temperature (Andrews 1993) or cloud height. Variations in the intensity of monsoon convection may be important, since highly 18O-depleted rainfall is produced by the strong uplift that occurs in monsoon clouds with cold tops (Fontes et al. 1993).
inferred material: Lake water
rank: 3
scope: isotope
variable: precipitationIsotope
variable group: P_isotope
variable group direction: positive
coefficient: NA
fraction: NA

has max value: 58
has mean value: 27.848
has median value: 28
has min value: 15
units: AD

compilation name: iso2k
compilation version: 0_14_8
compilation version: 0_15_0
compilation version: 1_0_0
compilation version: 1_1_0
compilation version: 1_1_1

rank: NA
scope: climate

rank: NA
scope: climate

rank: NA
scope: climate

has max value: 58
has mean value: 27.848
has median value: 28
has min value: 15
units: AD

rank: NA
scope: climate

rank: NA
scope: climate

rank: NA
scope: climate

has max value: 58
has mean value: 27.848
has median value: 28
has min value: 15
units: AD

measurement table:
  google work sheet key: o1yll9r
  table name: chron1measurement1
  missing value: NaN
  goog work sheet key: obkjfp6
  depth:
    measurement table name: measurementTable1
    t sid: chron1
    variable name: depth
    description: mid-point depth
    units: cm
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: 174.5
    has mean value: 84.25
    has median value: 71.75
    has min value: 15.5
    paleo name: chron1
    number: 1
    values: 15.5
    values: 36.5
    values: 63
    values: 80.5
    values: 135.5
    values: 174.5
  age14 c:
    measurement table name: measurementTable1
    t sid: chron2
    variable name: age14C
    description: 14C years before 1950
    units: yr14C BP
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: 4845
    has mean value: 2235
    has median value: 1910
    has min value: 385
    paleo name: chron1
    number: 2
    values: 385
    values: 720
    values: 1635
    values: 2185
    values: 3640
    values: 4845
  SD:
    measurement table name: measurementTable1
    t sid: chron3
    variable name: SD
    description: 14C years uncertainty
    units: yr14C BP
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: 55
    has mean value: 47.5
    has median value: 45
    has min value: 45
    paleo name: chron1
    variable name original: age14Cuncertainty
    number: 3
    values: 45
    values: 50
    values: 55
  fraction modern:
    measurement table name: measurementTable1
    t sid: chron4
    variable name: fractionModern
    description: fraction of modern 14C activity
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 4
    values: NaN
  fraction modern uncertainty:
    measurement table name: measurementTable1
    t sid: chron5
    variable name: fractionModernUncertainty
    description: fraction of modern 14C activity uncertainty
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 5
    values: NaN
  delta13 c:
    measurement table name: measurementTable1
    t sid: chron6
    variable name: delta13C
    description: delta13C of material analyzed for 14C
    units: permil
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 6
    values: NaN
  delta13 cuncertainty:
    measurement table name: measurementTable1
    t sid: chron7
    variable name: delta13Cuncertainty
    description: delta13C uncertainty
    units: permil
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 7
    values: NaN
  thickness:
    measurement table name: measurementTable1
    t sid: chron8
    variable name: thickness
    description: thickness of sample (along depth axis)
    units: cm
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: 1
    has mean value: 1
    has median value: 1
    has min value: 1
    paleo name: chron1
    number: 8
    values: 1
  lab ID:
    measurement table name: measurementTable1
    t sid: chron9
    variable name: labID
    description: laboratory ID from radiocarbon facility
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 9
    values: AA17158
    values: AA17653
    values: AA17652
    values: AA17651
    values: AA17157
    values: AA17156
  material dated:
    measurement table name: measurementTable1
    t sid: chron10
    variable name: materialDated
    description: material analyzed
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 10
    values: bulk orgainc matter
  activity:
    measurement table name: measurementTable1
    t sid: chron11
    variable name: activity
    description: 210Pb, 239+240Pu or 137Cs activity
    units: Bq g-1
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 11
    values: NaN
  activity uncertainty:
    measurement table name: measurementTable1
    t sid: chron12
    variable name: activityUncertainty
    description: 210Pb, 239+240Pu or 137Cs activity uncertainty
    units: Bq g-1
    chron name: chron1
    chron measurement table number: 1
    chron number: 1
    has max value: _NaN_
    has mean value: _NaN_
    has median value: _NaN_
    has min value: _NaN_
    paleo name: chron1
    number: 12
    values: NaN

measurement table name: measurementTable1
t sid: chron13
variable name: supportedActivity
description: Y if supported 210Pb activity, N if unsupported 210Pb activity
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 13
values: NaN

measurement table name: measurementTable1
t sid: chron14
variable name: x210PbModel
description: model used to convert 210Pb activity to age (e.g., constant rate of supply)
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 14
values: NaN

measurement table name: measurementTable1
t sid: chron15
variable name: age
description: years before 1950 (calibrated age, or ages that dont need calibration)
units: yr BP
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 15
values: NaN

measurement table name: measurementTable1
t sid: chron16
variable name: SD
description: uncertainty in age
units: yr BP
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
variable name original: ageUncertainty
number: 16
values: NaN

measurement table name: measurementTable1
t sid: chron17
variable name: reservoirAge14C
description: 14C reservoir age
units: yr14C BP
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 17
values: NaN

measurement table name: measurementTable1
t sid: chron18
variable name: reservoirAge14CUncertainty
description: 14C reservoir age uncertainty
units: yr14C BP
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 18
values: NaN

measurement table name: measurementTable1
t sid: chron19
variable name: useInAgeModel
description: was this date used in the age model?
chron name: chron1
chron measurement table number: 1
chron number: 1
has max value: _NaN_
has mean value: _NaN_
has median value: _NaN_
has min value: _NaN_
paleo name: chron1
number: 19
values: NaN

input table:
  id: AA17158
  id: AA17653
  id: AA17652
  id: AA17651
  id: AA17157
  id: AA17156
  age: 385
  age: 720
  age: 1635
  age: 2185
  age: 3640
  age: 4845
  error: 45
  error: 50
  error: 55
  depth: 15.5
  depth: 36.5
  depth: 63
  depth: 80.5
  depth: 135.5
  depth: 174.5
  cc: 1
  d r: 0
  d STD: 0
  ta: 3
  tb: 4
methods:
  parameters:
    d.min: 15.5
    d.max: 174.5
    d.by: 5
    depths.file: 0
    acc.mean: 31.25
    acc.shape: 1.5
    mem.mean: 0.5
    mem.strength: 10
    boundary: NA
    hiatus.depths: NA
    hiatus.max: 10000
    BCAD: 1
    cc: 1
    postbomb: 0
    cc1: IntCal20
    cc2: Marine20
    cc3: SHCal20
    cc4: ConstCal
    depth.unit: cm
    normal: 0
    t.a: 3
    t.b: 4
    delta.r: 0
    d.std: 0
    prob: 0.95
    age.unit: yr
  algorithm: bacon
  version: 2.3
summary table:
  table name: chron1model1measurement1
  depth:
    variable name: depth
    units: cm
    description: modeled depth
    number: 1
    values: 15.5
    values: 20.5
    values: 25.5
    values: 30.5
    values: 35.5
    values: 40.5
    values: 45.5
    values: 50.5
    values: 55.5
    values: 60.5
    values: 65.5
    values: 70.5
    values: 75.5
    values: 80.5
    values: 85.5
    values: 90.5
    values: 95.5
    values: 100.5
    values: 105.5
    values: 110.5
    values: 115.5
    values: 120.5
    values: 125.5
    values: 130.5
    values: 135.5
    values: 140.5
    values: 145.5
    values: 150.5
    values: 155.5
    values: 160.5
    values: 165.5
    values: 170.5
  age.range low:
    variable name: age.rangeLow
    units: yr BP
    description: low end of the uncertainty range
    uncertainty level: 2.5%
    number: 2
    values: 1493
    values: 1373
    values: 1263
    values: 1153
    values: 1051
    values: 906
    values: 754
    values: 601
    values: 454
    values: 313
    values: 148
    values: -52
    values: -231
    values: -374
    values: -595
    values: -802
    values: -989
    values: -1166
    values: -1336
    values: -1497
    values: -1659
    values: -1816
    values: -1958
    values: -2106
    values: -2259
    values: -2487
    values: -2700
    values: -2903
    values: -3095
    values: -3281
    values: -3454
    values: -3616
  age.range high:
    variable name: age.rangeHigh
    units: yr BP
    description: high end of the uncertainty range
    uncertainty level: 97.5%
    number: 3
    values: 2004
    values: 1892
    values: 1754
    values: 1591
    values: 1400
    values: 1261
    values: 1126
    values: 984
    values: 826
    values: 639
    values: 470
    values: 319
    values: 141
    values: -59
    values: -203
    values: -343
    values: -486
    values: -642
    values: -792
    values: -957
    values: -1121
    values: -1301
    values: -1473
    values: -1673
    values: -1892
    values: -2043
    values: -2200
    values: -2364
    values: -2546
    values: -2729
    values: -2913
    values: -3130
  age:
    variable name: age
    units: yr BP
    description: weighted mean age estimate
    number: 4
    values: 1728
    values: 1607
    values: 1489
    values: 1372
    values: 1252
    values: 1109
    values: 953
    values: 798
    values: 643
    values: 488
    values: 320
    values: 139
    values: -45
    values: -226
    values: -395
    values: -563
    values: -729
    values: -895
    values: -1060
    values: -1226
    values: -1392
    values: -1558
    values: -1725
    values: -1890
    values: -2058
    values: -2245
    values: -2439
    values: -2630
    values: -2822
    values: -3016
    values: -3209
    values: -3402

depth: 15.5
depth.units: cm
table name: chron1model1distribution1
age:
  units: yr BP
  variable name: age
  number: 1
  values: 0
  values: 1
  values: 2
  values: 3
  values: 4
  values: 5
  values: 6
  values: 7
  values: 8
  values: 9
  values: 10
  values: 11
  values: 12
  values: 13
  values: 14
  values: 15
  values: 16
  values: 17
  values: 18
  values: 19
  values: 20
  values: 21
  values: 22
  values: 23
  values: 24
  values: 25
  values: 26
  values: 27
  values: 28
  values: 29
  values: 30
  values: 31
  values: 32
  values: 33
  values: 34
  values: 35
  values: 36
  values: 37
  values: 38
  values: 39
  values: 40
  values: 41
  values: 42
  values: 43
  values: 44
  values: 45
  values: 46
  values: 47
  values: 48
  values: 49
  values: 50
  values: 51
  values: 52
  values: 53
  values: 54
  values: 55
  values: 56
  values: 57
  values: 58
  values: 59
  values: 60
  values: 61
  values: 62
  values: 63
  values: 64
  values: 65
  values: 66
  values: 67
  values: 68
  values: 69
  values: 70
  values: 71
  values: 72
  values: 73
  values: 74
  values: 75
  values: 76
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0.0001
  values: 0
  values: 0.0002
  values: 0.0003
  values: 0.0004
  values: 0.0005
  values: 0.0006
  values: 0.0007
  values: 0.0008
  values: 0.0009
  values: 0.001
  values: 0.0012
  values: 0.0013
  values: 0.0015
  values: 0.0016
  values: 0.0018
  values: 0.0019
  values: 0.0021
  values: 0.0023
  values: 0.0026
  values: 0.0029
  values: 0.0032
  values: 0.0035
  values: 0.0037
  values: 0.0038
  values: 0.004
  values: 0.0039
  values: 0.0042
  values: 0.0045
  values: 0.0048
  values: 0.0051
  values: 0.0053
  values: 0.0056
  values: 0.0059
  values: 0.006
  values: 0.0061
  values: 0.0062
  values: 0.0063
  values: 0.0064
  values: 0.0065
  values: 0.0058
  values: 0.0057
  values: 0.0054
  values: 0.005
  values: 0.0047
  values: 0.0046
  values: 0.0044
  values: 0.0043
  values: 0.0041
  values: 0.0034
  values: 0.0033
  values: 0.0036
  values: 0.0031
  values: 0.003
  values: 0.0028
  values: 0.0025
  values: 0.0024
  values: 0.0022
  values: 0.002
  values: 0.0027
  values: 0.0049
  values: 0.0052
  values: 0.0055
  values: 0.0066
  values: 0.0067
  values: 0.0068
  values: 0.0069
  values: 0.007
  values: 0.0017
  values: 0.0014
  values: 0.0011

depth: 36.5
depth.units: cm
table name: chron1model1distribution2
age:
  units: yr BP
  variable name: age
  number: 1
  values: 527
  values: 528
  values: 529
  values: 530
  values: 531
  values: 532
  values: 533
  values: 534
  values: 535
  values: 536
  values: 537
  values: 538
  values: 539
  values: 540
  values: 541
  values: 542
  values: 543
  values: 544
  values: 545
  values: 546
  values: 547
  values: 548
  values: 549
  values: 550
  values: 551
  values: 552
  values: 553
  values: 554
  values: 555
  values: 556
  values: 557
  values: 558
  values: 559
  values: 560
  values: 561
  values: 562
  values: 563
  values: 564
  values: 565
  values: 566
  values: 567
  values: 568
  values: 569
  values: 570
  values: 571
  values: 572
  values: 573
  values: 574
  values: 575
  values: 576
  values: 577
  values: 578
  values: 579
  values: 580
  values: 581
  values: 582
  values: 583
  values: 584
  values: 585
  values: 586
  values: 587
  values: 588
  values: 589
  values: 590
  values: 591
  values: 592
  values: 593
  values: 594
  values: 595
  values: 596
  values: 597
  values: 598
  values: 599
  values: 600
  values: 601
  values: 602
  values: 603
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0.0002
  values: 0.0003
  values: 0.0004
  values: 0.0005
  values: 0.0006
  values: 0.0007
  values: 0.0008
  values: 0.0009
  values: 0.001
  values: 0.0011
  values: 0.0013
  values: 0.0015
  values: 0.0017
  values: 0.002
  values: 0.0023
  values: 0.0026
  values: 0.0029
  values: 0.0033
  values: 0.0036
  values: 0.0039
  values: 0.0041
  values: 0.0043
  values: 0.0045
  values: 0.0049
  values: 0.0052
  values: 0.0056
  values: 0.0063
  values: 0.0068
  values: 0.0074
  values: 0.0081
  values: 0.0084
  values: 0.0083
  values: 0.0079
  values: 0.0076
  values: 0.007
  values: 0.0066
  values: 0.006
  values: 0.0055
  values: 0.0051
  values: 0.0047
  values: 0.0037
  values: 0.0035
  values: 0.0032
  values: 0.0027
  values: 0.0024
  values: 0.0021
  values: 0.0019
  values: 0.0014
  values: 0.0012
  values: 0.0016
  values: 0.0018
  values: 0.0025
  values: 0.0028
  values: 0.003
  values: 0.0034
  values: 0.0038
  values: 0.0046
  values: 0.005
  values: 0.0061
  values: 0.0067
  values: 0.0075
  values: 0.0089
  values: 0.0096
  values: 0.0101
  values: 0.0106
  values: 0.0109
  values: 0.011
  values: 0.0114
  values: 0.0115
  values: 0.0118
  values: 0.0121
  values: 0.0123
  values: 0.0127
  values: 0.013
  values: 0.0132
  values: 0.0136
  values: 0.014
  values: 0.0144

depth: 63
depth.units: cm
table name: chron1model1distribution3
age:
  units: yr BP
  variable name: age
  number: 1
  values: 1305
  values: 1306
  values: 1307
  values: 1308
  values: 1309
  values: 1310
  values: 1311
  values: 1312
  values: 1313
  values: 1314
  values: 1315
  values: 1316
  values: 1317
  values: 1318
  values: 1319
  values: 1320
  values: 1321
  values: 1322
  values: 1323
  values: 1324
  values: 1325
  values: 1326
  values: 1327
  values: 1328
  values: 1329
  values: 1330
  values: 1331
  values: 1332
  values: 1333
  values: 1334
  values: 1335
  values: 1336
  values: 1337
  values: 1338
  values: 1339
  values: 1340
  values: 1341
  values: 1342
  values: 1343
  values: 1344
  values: 1345
  values: 1346
  values: 1347
  values: 1348
  values: 1349
  values: 1350
  values: 1351
  values: 1352
  values: 1353
  values: 1354
  values: 1355
  values: 1356
  values: 1357
  values: 1358
  values: 1359
  values: 1360
  values: 1361
  values: 1362
  values: 1363
  values: 1364
  values: 1365
  values: 1366
  values: 1367
  values: 1368
  values: 1369
  values: 1370
  values: 1371
  values: 1372
  values: 1373
  values: 1374
  values: 1375
  values: 1376
  values: 1377
  values: 1378
  values: 1379
  values: 1380
  values: 1381
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0.0001
  values: 0.0002
  values: 0.0003
  values: 0.0004
  values: 0.0005
  values: 0.0006
  values: 0.0007
  values: 0.0008
  values: 0.0009
  values: 0.001
  values: 0.0011
  values: 0.0012
  values: 0.0013
  values: 0.0014
  values: 0.0015
  values: 0.0016
  values: 0.0017
  values: 0.0019
  values: 0.002
  values: 0.0022
  values: 0.0023
  values: 0.0025
  values: 0.0026
  values: 0.0029
  values: 0.0031
  values: 0.0033
  values: 0.0035
  values: 0.0038
  values: 0.004
  values: 0.0042
  values: 0.0045
  values: 0.0047
  values: 0.0048
  values: 0.005
  values: 0.0051
  values: 0.0053
  values: 0.0054
  values: 0.0055
  values: 0.0049
  values: 0.0052
  values: 0.0046
  values: 0.0044
  values: 0.0039
  values: 0.0037
  values: 0.0036
  values: 0.0034
  values: 0.0041
  values: 0.0043
  values: 0.0056
  values: 0.0058
  values: 0.0059
  values: 0.006
  values: 0.0061
  values: 0.0062
  values: 0.0063
  values: 0.0064
  values: 0.0065
  values: 0.0066
  values: 0.0067
  values: 0.0032
  values: 0.0028
  values: 0.0027
  values: 0.0024
  values: 0.0021
  values: 0.0018

depth: 80.5
depth.units: cm
table name: chron1model1distribution4
age:
  units: yr BP
  variable name: age
  number: 1
  values: 1888
  values: 1889
  values: 1890
  values: 1891
  values: 1892
  values: 1893
  values: 1894
  values: 1895
  values: 1896
  values: 1897
  values: 1898
  values: 1899
  values: 1900
  values: 1901
  values: 1902
  values: 1903
  values: 1904
  values: 1905
  values: 1906
  values: 1907
  values: 1908
  values: 1909
  values: 1910
  values: 1911
  values: 1912
  values: 1913
  values: 1914
  values: 1915
  values: 1916
  values: 1917
  values: 1918
  values: 1919
  values: 1920
  values: 1921
  values: 1922
  values: 1923
  values: 1924
  values: 1925
  values: 1926
  values: 1927
  values: 1928
  values: 1929
  values: 1930
  values: 1931
  values: 1932
  values: 1933
  values: 1934
  values: 1935
  values: 1936
  values: 1937
  values: 1938
  values: 1939
  values: 1940
  values: 1941
  values: 1942
  values: 1943
  values: 1944
  values: 1945
  values: 1946
  values: 1947
  values: 1948
  values: 1949
  values: 1950
  values: 1951
  values: 1952
  values: 1953
  values: 1954
  values: 1955
  values: 1956
  values: 1957
  values: 1958
  values: 1959
  values: 1960
  values: 1961
  values: 1962
  values: 1963
  values: 1964
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0
  values: 0.0001
  values: 0.0002
  values: 0.0003
  values: 0.0004
  values: 0.0005
  values: 0.0006
  values: 0.0007
  values: 0.0008
  values: 0.0009
  values: 0.001
  values: 0.0011
  values: 0.0012
  values: 0.0013
  values: 0.0014
  values: 0.0015
  values: 0.0016
  values: 0.0017
  values: 0.0018
  values: 0.0019
  values: 0.002
  values: 0.0021
  values: 0.0022
  values: 0.0023
  values: 0.0024
  values: 0.0025
  values: 0.0026
  values: 0.0027
  values: 0.0028
  values: 0.0029
  values: 0.0031
  values: 0.0032
  values: 0.0034
  values: 0.0035
  values: 0.0037
  values: 0.0039
  values: 0.004
  values: 0.0041
  values: 0.0042
  values: 0.0043
  values: 0.0044
  values: 0.0045
  values: 0.0046
  values: 0.0047
  values: 0.0038
  values: 0.003
  values: 0.0033
  values: 0.0036

depth: 135.5
depth.units: cm
table name: chron1model1distribution5
age:
  units: yr BP
  variable name: age
  number: 1
  values: 3639
  values: 3640
  values: 3641
  values: 3642
  values: 3643
  values: 3644
  values: 3645
  values: 3646
  values: 3647
  values: 3648
  values: 3649
  values: 3650
  values: 3651
  values: 3652
  values: 3653
  values: 3654
  values: 3655
  values: 3656
  values: 3657
  values: 3658
  values: 3659
  values: 3660
  values: 3661
  values: 3662
  values: 3663
  values: 3664
  values: 3665
  values: 3666
  values: 3667
  values: 3668
  values: 3669
  values: 3670
  values: 3671
  values: 3672
  values: 3673
  values: 3674
  values: 3675
  values: 3676
  values: 3677
  values: 3678
  values: 3679
  values: 3680
  values: 3681
  values: 3682
  values: 3683
  values: 3684
  values: 3685
  values: 3686
  values: 3687
  values: 3688
  values: 3689
  values: 3690
  values: 3691
  values: 3692
  values: 3693
  values: 3694
  values: 3695
  values: 3696
  values: 3697
  values: 3698
  values: 3699
  values: 3700
  values: 3701
  values: 3702
  values: 3703
  values: 3704
  values: 3705
  values: 3706
  values: 3707
  values: 3708
  values: 3709
  values: 3710
  values: 3711
  values: 3712
  values: 3713
  values: 3714
  values: 3715
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0
  values: 0.0001
  values: 0.0002
  values: 0.0003
  values: 0.0004
  values: 0.0005
  values: 0.0006
  values: 0.0007
  values: 0.0008
  values: 0.0009
  values: 0.001
  values: 0.0011
  values: 0.0012
  values: 0.0013
  values: 0.0014
  values: 0.0015
  values: 0.0016
  values: 0.0017
  values: 0.0018
  values: 0.0019
  values: 0.002
  values: 0.0021
  values: 0.0022
  values: 0.0023
  values: 0.0024
  values: 0.0025
  values: 0.0026
  values: 0.0027
  values: 0.0028
  values: 0.0029
  values: 0.003
  values: 0.0031
  values: 0.0032
  values: 0.0033
  values: 0.0034
  values: 0.0035
  values: 0.0036
  values: 0.0037
  values: 0.0038
  values: 0.0039
  values: 0.004
  values: 0.0041
  values: 0.0042
  values: 0.0043
  values: 0.0044
  values: 0.0045
  values: 0.0046
  values: 0.0047

depth: 174.5
depth.units: cm
table name: chron1model1distribution6
age:
  units: yr BP
  variable name: age
  number: 1
  values: 5315
  values: 5320
  values: 5325
  values: 5330
  values: 5335
  values: 5340
  values: 5345
  values: 5350
  values: 5355
  values: 5360
  values: 5365
  values: 5370
  values: 5375
  values: 5380
  values: 5385
  values: 5390
  values: 5395
  values: 5400
  values: 5405
  values: 5410
  values: 5415
  values: 5420
  values: 5425
  values: 5430
  values: 5435
  values: 5440
  values: 5445
  values: 5450
  values: 5455
  values: 5460
  values: 5465
  values: 5470
  values: 5475
  values: 5480
  values: 5485
  values: 5490
  values: 5495
  values: 5500
  values: 5505
  values: 5510
  values: 5515
  values: 5520
  values: 5525
  values: 5530
  values: 5535
  values: 5540
  values: 5545
  values: 5550
  values: 5555
  values: 5560
  values: 5565
  values: 5570
  values: 5575
  values: 5580
  values: 5585
  values: 5590
  values: 5595
  values: 5600
  values: 5605
  values: 5610
  values: 5615
  values: 5620
  values: 5625
  values: 5630
  values: 5635
  values: 5640
  values: 5645
  values: 5650
  values: 5655
  values: 5660
  values: 5665
  values: 5670
  values: 5675
  values: 5680
  values: 5685
  values: 5690
  values: 5695
probability density:
  variable name: probabilityDensity
  number: 2
  values: 0.0006
  values: 0.0011
  values: 0.0022
  values: 0.004
  values: 0.0056
  values: 0.0047
  values: 0.0041
  values: 0.0043
  values: 0.0051
  values: 0.0055
  values: 0.0046
  values: 0.0036
  values: 0.0029
  values: 0.0026
  values: 0.0027
  values: 0.0025
  values: 0.0021
  values: 0.0017
  values: 0.0013
  values: 0.0012
  values: 0.0018
  values: 0.0035
  values: 0.0038
  values: 0.0044
  values: 0.0081
  values: 0.0123
  values: 0.018
  values: 0.0242
  values: 0.0289
  values: 0.0311
  values: 0.0299
  values: 0.0253
  values: 0.021
  values: 0.0199
  values: 0.0209
  values: 0.0185
  values: 0.0159
  values: 0.0141
  values: 0.0139
  values: 0.0147
  values: 0.0155
  values: 0.0152
  values: 0.0151
  values: 0.0168
  values: 0.028
  values: 0.0371
  values: 0.0386
  values: 0.0327
  values: 0.0241
  values: 0.0156
  values: 0.0106
  values: 0.0095
  values: 0.0119
  values: 0.0144
  values: 0.0161
  values: 0.0182
  values: 0.02
  values: 0.0202
  values: 0.0173
  values: 0.0124
  values: 0.0077
  values: 0.0058
  values: 0.0059
  values: 0.0063
  values: 0.0064
  values: 0.0066
  values: 0.0071
  values: 0.0078
  values: 0.0079
  values: 0.007
  values: 0.0062
  values: 0.0054
  values: 0.0034
  values: 0.0023
  values: 0.0016
  values: 0.0009
  values: 0.0008
  values: 0.0007

version: 1.0.5
last version: 1.0.4
curator: nicholas
timestamp: 2025-04-17 20:04:43.418964 UTC
changes:
  paleo column metadata: d18O (LS97HOKA1a): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: d18O (LS97HOKA1a): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'
  paleo column metadata: year (MAT5a83d3ba3b): paleoData_isPrimary: '' has been replaced by 'TRUE'
  paleo column metadata: year (MAT5a83d3ba3b): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'
  paleo column metadata: depth (MATeb6bfe7013): paleoData_isPrimary: '' has been replaced by 'FALSE'
  paleo column metadata: depth (MATeb6bfe7013): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'

version: 1.0.4
last version: 1.0.3
curator: nicholas
timestamp: 2025-04-11 16:27:01.973325 UTC
changes:
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_basis: 'In a closed, low-latitude lake basin, the d18O values of the lake water, which are the main control on the d18O values of carbonates, are influenced largely by the balance between inflow (mainly shallow groundwater, in the case of Kajemarum) and evaporation (Talbot 1990). Thus, the d18O record in endogenic carbonate should largely reflect salinity.' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_direction: 'negative' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_inferredMaterial: 'lake water' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_rank: '1' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_scope: 'isotope' has been replaced by 'climate'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variable: 'hydrologicBalance' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variableGroup: 'EffectiveMoisture' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variableGroupDirection: 'negative' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variableGroupOriginal: 'I_E' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_direction: 'negative' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_inferredMaterial: 'Lake water' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_rank: '2' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_scope: 'isotope' has been replaced by 'climate'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variable: 'temperature' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variableGroup: 'Temperature' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variableGroupDirection: 'negative' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variableGroupOriginal: 'T_water' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_basis: 'Changes in d18O values that do not parallel those in Sr/Ca, however, are best explained by changes in water temperature, or in the 18O/16O ratio of precipitation. Changes in the isotopic composition of precipitation may be brought about by shifts in water-vapour source, air temperature (Andrews 1993) or cloud height. Variations in the intensity of monsoon convection may be important, since highly 18O-depleted rainfall is produced by the strong uplift that occurs in monsoon clouds with cold tops (Fontes et al. 1993).' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_inferredMaterial: 'Lake water' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_rank: '3' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_scope: 'isotope' has been replaced by 'climate'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_variable: 'precipitationIsotope' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_variableGroup: 'P_isotope' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_variableGroupDirection: 'positive' has been replaced by ''
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_basis: '' has been replaced by 'In a closed, low-latitude lake basin, the d18O values of the lake water, which are the main control on the d18O values of carbonates, are influenced largely by the balance between inflow (mainly shallow groundwater, in the case of Kajemarum) and evaporation (Talbot 1990). Thus, the d18O record in endogenic carbonate should largely reflect salinity.'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_direction: '' has been replaced by 'negative'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_inferredMaterial: '' has been replaced by 'lake water'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_rank: '' has been replaced by '1'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_scope: '' has been replaced by 'isotope'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_variable: '' has been replaced by 'hydrologicBalance'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_variableGroup: '' has been replaced by 'EffectiveMoisture'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_variableGroupDirection: '' has been replaced by 'negative'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation4_variableGroupOriginal: '' has been replaced by 'I_E'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_direction: '' has been replaced by 'negative'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_inferredMaterial: '' has been replaced by 'Lake water'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_rank: '' has been replaced by '2'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_scope: '' has been replaced by 'isotope'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_variable: '' has been replaced by 'temperature'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_variableGroup: '' has been replaced by 'Temperature'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_variableGroupDirection: '' has been replaced by 'negative'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation5_variableGroupOriginal: '' has been replaced by 'T_water'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_basis: '' has been replaced by 'Changes in d18O values that do not parallel those in Sr/Ca, however, are best explained by changes in water temperature, or in the 18O/16O ratio of precipitation. Changes in the isotopic composition of precipitation may be brought about by shifts in water-vapour source, air temperature (Andrews 1993) or cloud height. Variations in the intensity of monsoon convection may be important, since highly 18O-depleted rainfall is produced by the strong uplift that occurs in monsoon clouds with cold tops (Fontes et al. 1993).'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_inferredMaterial: '' has been replaced by 'Lake water'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_rank: '' has been replaced by '3'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_scope: '' has been replaced by 'isotope'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_variable: '' has been replaced by 'precipitationIsotope'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_variableGroup: '' has been replaced by 'P_isotope'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation6_variableGroupDirection: '' has been replaced by 'positive'
  paleo interpretation metadata: year (MAT5a83d3ba3b): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: year (MAT5a83d3ba3b): interpretation2_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: year (MAT5a83d3ba3b): interpretation3_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: depth (MATeb6bfe7013): interpretation1_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: depth (MATeb6bfe7013): interpretation2_scope: '' has been replaced by 'climate'
  paleo interpretation metadata: depth (MATeb6bfe7013): interpretation3_scope: '' has been replaced by 'climate'

version: 1.0.3
last version: 1.0.2
curator: nicholas
timestamp: 2025-04-09 20:48:39.31506 UTC
notes: Updated lipdverse database entry with a changed file.
changes:
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variable: 'I_E' has been replaced by 'hydrologicBalance'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variable: 'T_water' has been replaced by 'temperature'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_variable: 'P_isotope' has been replaced by 'precipitationIsotope'

version: 1.0.2
last version: 1.0.1
curator: nicholas
timestamp: 2025-04-09 19:55:08.535133 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation1_variable: 'I_E' has been replaced by 'hydrologicBalance'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation2_variable: 'T_water' has been replaced by 'temperature'
  paleo interpretation metadata: d18O (LS97HOKA1a): interpretation3_variable: 'P_isotope' has been replaced by 'precipitationIsotope'

version: 1.0.1
last version: 1.0.0
curator: nicholas
timestamp: 2025-04-08 17:33:02.982153 UTC
notes: Changes made as part of LiPDverse vocabulary standardization process
changes:
  paleo column metadata: d18O (LS97HOKA1a): paleoData_longName: '' has been replaced by 'AD'
  paleo column metadata: year (MAT5a83d3ba3b): paleoData_units: 'AD' has been replaced by 'yr AD'
  paleo column metadata: year (MAT5a83d3ba3b): paleoData_longName: '' has been replaced by 'AD'
  paleo column metadata: depth (MATeb6bfe7013): paleoData_longName: '' has been replaced by 'AD'

Holocene palaeolimnology of Kajemamm Oasis, Northern Nigeria: an isotopic study of ostracodes, bulk carbonate and organic carbon
author: Holmes, J. A. , Street-Perrott, F. A. , Allen, M. J. , Fothergill, P. A. , Harkness, D. D. , Kroon, D. , Perrott, R. A.
citation: HOLMES, J. A., STREET-PERROTT, F. A., ALLEN, M. J., FOTHERGILL, P. A., HARKNESS, D. D., KROON, D. and PERROTT, R. A.: Holocene palaeolimnology of Kajemamm Oasis, Northern Nigeria: an isotopic study of ostracodes, bulk carbonate and organic carbon, Journal of the Geological Society, 154(2), 311–319, doi:10.1144/gsjgs.154.2.0311, 1997.
data url: doi.org
doi: 10.1144/gsjgs.154.2.0311
issue: 2
journal: Journal of the Geological Society
page: 311-319
pages: -8
pub data url: doi.org
publisher: Geological Society of London
type: journal-article
volume: 154
year: 1997

longitude: 11.0288
latitude: 13.305
elevation: 330
geometry type: Point
site name: Kajemarum Oasis