MS04BLCB - v1.0.5

Dataset Id: V9G04R1aVQpZ5z3gL3R7

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R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/V9G04R1aVQpZ5z3gL3R7/1_0_5/MS04BLCB.lpd")

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Dataset changelog

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iso2k-1_1_1

root

archiveType: MarineSediment

originalDataUrl: https://www.ncdc.noaa.gov/paleo-search/study/5900

lipdVersion: 1.3

pub
pub1

author: Black, D.E.

doi: 10.1029/2003PA000982

pub2

author: Black, D.E.

doi: 10.1126/science.286.5445.1709

geo

latitude: 10.75

longitude: -64.7

elevation: -395

siteName: Cariaco Basin

PaleoData columns
year (yr AD)

TSid: MAT65b2f38aca

variableName: year

units: yr AD

description: Year AD

depth (cm)

TSid: MAT4f63984f8e

variableName: depth

units: cm

description: depth

d18O (permil)

TSid: MS04BLCB02

variableName: d18O

units: permil

description: carbonate

interpretation
1

basis: The ?18O of planktonic foraminiferal calcite is a function of two independent variables, the temperature at the time of calcification and the oxygen isotopic composition of seawater, with the latter variable being a measure of local salinity

direction: decrease/increase

interpDirection: decrease/increase

scope: climate

seasonality: Summer

seasonalityOriginal: summer

variable: temperature

variableDetail: near surface

variableGroup: temperature/d18Osw

2

scope: climate

3

scope: climate

4

basis: Urey, H. C. 1948. Oxygen isotopes in nature and in the laboratory. Science, 108:489?496.

direction: negative

equilibriumEvidence: NaN

inferredMaterial: seawater

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: nonlinear

scope: isotope

seasonality: Jun-Nov

variable: temperature

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T_water

5

basis: Urey, H. C. 1948. Oxygen isotopes in nature and in the laboratory. Science, 108:489?496.

direction: negative

equilibriumEvidence: NaN

inferredMaterial: calcite, surface

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: non-linear

scope: isotope

seasonality: Annual

variable: seawaterIsotope

variableGroup: EffectiveMoisture

variableGroupDirection: negative

variableGroupOriginal: seawater_isotope

6

basis: Spero, H.J., Bijma, J., Lea, D.W., Bemis, B.E., 1997. Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes. Nature 390, 497-500.

direction: negative

equilibriumEvidence: NaN

inferredMaterial: calcite, surface

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: linear

scope: isotope

seasonality: Annual

variable: deleteMe

variableGroup: Carbonate_ion_concentration

d18O (permil)

TSid: MS04BLCB01

variableName: d18O

units: permil

description: carbonate

interpretation
1

basis: The ?18O of planktonic foraminiferal calcite is a function of two independent variables, the temperature at the time of calcification and the oxygen isotopic composition of seawater, with the latter variable being a measure of local salinity

interpDirection: decrease/increase

scope: climate

seasonality: deleteMe

variable: temperature

variableDetail: near surface

variableGroup: temperature/d18Osw

2

scope: climate

3

scope: climate

4

basis: Urey, H. C. 1948. Oxygen isotopes in nature and in the laboratory. Science, 108:489?496.

direction: negative

equilibriumEvidence: NaN

inferredMaterial: seawater

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: non-linear

scope: isotope

seasonality: Dec-May

variable: temperature

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T_water

5

basis: Urey, H. C. 1948. Oxygen isotopes in nature and in the laboratory. Science, 108:489?496.

direction: decrease

equilibriumEvidence: NaN

inferredMaterial: calcite, surface

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: non-linear

scope: isotope

seasonality: Annual

variable: seawaterIsotope

variableGroup: EffectiveMoisture

variableGroupDirection: negative

variableGroupOriginal: seawater_isotope

6

basis: Spero, H.J., Bijma, J., Lea, D.W., Bemis, B.E., 1997. Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes. Nature 390, 497-500.

direction: negative

equilibriumEvidence: NaN

inferredMaterial: calcite, surface

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: linear

scope: isotope

seasonality: Annual

variable: deleteMe

variableGroup: Carbonate_ion_concentration

core (unitless)

TSid: LPDf8072f4er

variableName: core

units: unitless

description: core in splice

interpretation
1

scope: climate

2

scope: climate

3

scope: climate

4

scope: isotope

5

scope: isotope

6

scope: isotope

ChronData columns
depth (cm)

TSid: chron1

variableName: depth

units: cm

description: mid-point depth

age14C (yr14C BP)

TSid: chron2

variableName: age14C

units: yr14C BP

description: 14C years before 1950

SD (yr14C BP)

TSid: chron3

variableName: SD

units: yr14C BP

description: 14C years uncertainty

fractionModern ()

TSid: chron4

variableName: fractionModern

description: fraction of modern 14C activity

fractionModernUncertainty ()

TSid: chron5

variableName: fractionModernUncertainty

description: fraction of modern 14C activity uncertainty

delta13C (permil)

TSid: chron6

variableName: delta13C

units: permil

description: delta13C of material analyzed for 14C

delta13Cuncertainty (permil)

TSid: chron7

variableName: delta13Cuncertainty

units: permil

description: delta13C uncertainty

thickness (cm)

TSid: chron8

variableName: thickness

units: cm

description: thickness of sample (along depth axis)

labID ()

TSid: chron9

variableName: labID

description: laboratory ID from radiocarbon facility

materialDated ()

TSid: chron10

variableName: materialDated

description: material analyzed

activity (Bq g-1)

TSid: chron11

variableName: activity

units: Bq g-1

description: 210Pb, 239+240Pu or 137Cs activity

activityUncertainty (Bq g-1)

TSid: chron12

variableName: activityUncertainty

units: Bq g-1

description: 210Pb, 239+240Pu or 137Cs activity uncertainty

supportedActivity ()

TSid: chron13

variableName: supportedActivity

description: Y if supported 210Pb activity, N if unsupported 210Pb activity

x210PbModel ()

TSid: chron14

variableName: x210PbModel

description: model used to convert 210Pb activity to age (e.g., constant rate of supply)

age (BP)

TSid: chron15

variableName: age

units: BP

description: years before 1950 (calibrated age, or ages that dont need calibration)

SD (yr BP)

TSid: chron16

variableName: SD

units: yr BP

description: uncertainty in age

reservoirAge14C (yr14C BP)

TSid: chron17

variableName: reservoirAge14C

units: yr14C BP

description: 14C reservoir age

reservoirAge14CUncertainty (yr14C BP)

TSid: chron18

variableName: reservoirAge14CUncertainty

units: yr14C BP

description: 14C reservoir age uncertainty

useInAgeModel ()

TSid: chron19

variableName: useInAgeModel

description: was this date used in the age model?

notes ()

TSid: chron20

variableName: notes

core ()

TSid: chron21

variableName: core