MS99LWSC - v1.0.7

Dataset Id: CZyp1kdeNTeMJ0K8AX6P

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R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/CZyp1kdeNTeMJ0K8AX6P/1_0_7/MS99LWSC.lpd")

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iso2k-1_1_0

root

archiveType: MarineSediment

originalDataUrl: https://www.ncdc.noaa.gov/paleo/study/2598

lipdVersion: 1.3

pub
pub1

author: Wang, L.

doi: 10.1029/1999PA900028

pub2
geo

latitude: 20.1167

longitude: 117.3833

elevation: -1727

siteName: South China Sea

PaleoData columns
year (yr AD)

TSid: MAT71d3464b51

variableName: year

units: yr AD

description: Year AD

depth (cm)

TSid: MATc4809655e7

variableName: depth

units: cm

description: depth

d18O (permil)

TSid: MS99LWSC01

variableName: d18O

units: permil

description: carbonate

interpretation
1

basis: Basically, the oxygen isotope record represents the glacial- interglacial eustatic sea level change. This change is superimposed by small-scale variations of the freshwater influence by precipitation and runoff, i.e., +0.2960 for the glacial and deglaciation and reaching as high as +0.796o in the Holocene.

direction: decrease/increase

interpDirection: decrease/increase

scope: climate

seasonality: deleteMe

variable: temperature

variableDetail: sea 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: Annual

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; sea surface water

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; sea surface water

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: linear

scope: isotope

seasonality: Annual

variable: deleteMe

variableGroup: Carbonate_ion_concentration

uncertainty (permil)

TSid: LPD7311e8295

variableName: uncertainty

units: permil

description: carbonate

interpretation
1

scope: climate

2

scope: climate

3

scope: climate

4

scope: isotope

5

scope: isotope

6

scope: isotope

ChronData columns
depth (cm) [1-1]

TSid: chron1

variableName: depth

units: cm

description: mid-point depth

age14C (yr14C BP) [1-1]

TSid: chron2

variableName: age14C

units: yr14C BP

description: 14C years before 1950

age14CuncertaintyUp (yr14C BP) [1-1]

TSid: chron3

variableName: age14CuncertaintyUp

units: yr14C BP

description: 14C years uncertainty

reservoirAge14C (yr14C BP) [1-1]

TSid: chron17

variableName: reservoirAge14C

units: yr14C BP

description: 14C reservoir age

labID () [1-1]

TSid: chron9

variableName: labID

description: laboratory ID from radiocarbon facility

fractionModern () [2-1]

TSid: chron4

variableName: fractionModern

description: fraction of modern 14C activity

fractionModernUncertainty () [2-1]

TSid: chron5

variableName: fractionModernUncertainty

description: fraction of modern 14C activity uncertainty

delta13C (permil) [2-1]

TSid: chron6

variableName: delta13C

units: permil

description: delta13C of material analyzed for 14C

delta13Cuncertainty (permil) [2-1]

TSid: chron7

variableName: delta13Cuncertainty

units: permil

description: delta13C uncertainty

thickness (cm) [2-1]

TSid: chron8

variableName: thickness

units: cm

description: thickness of sample (along depth axis)

labID () [2-1]

TSid: chron9

variableName: labID

description: laboratory ID from radiocarbon facility

activity (Bq g-1) [2-1]

TSid: chron11

variableName: activity

units: Bq g-1

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

activityUncertainty (Bq g-1) [2-1]

TSid: chron12

variableName: activityUncertainty

units: Bq g-1

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

supportedActivity () [2-1]

TSid: chron13

variableName: supportedActivity

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

x210PbModel () [2-1]

TSid: chron14

variableName: x210PbModel

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

reservoirAge14CUncertainty (yr14C BP) [2-1]

TSid: chron18

variableName: reservoirAge14CUncertainty

units: yr14C BP

description: 14C reservoir age uncertainty

useInAgeModel () [2-1]

TSid: chron19

variableName: useInAgeModel

description: was this date used in the age model?

SD (yr BP) [3-1]

TSid: chron16

variableName: SD

units: yr BP

description: uncertainty in age

notes () [3-1]

TSid: chron21

variableName: notes