MS05ESCR - v1.0.5

Dataset Id: G3TqiceFg61D8IWMKQ19

Download LiPD file without ensemble tables

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Download LiPD file with ensemble data

R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/G3TqiceFg61D8IWMKQ19/1_0_5/MS05ESCR.lpd")

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Download PaleoData only (csv)

Download ChronData only (csv)

Dataset changelog

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In compilations: (only most recent versions are shown)

iso2k-1_1_1

root

archiveType: MarineSediment

originalDataUrl: https://doi.pangaea.de/10.1594/PANGAEA.327243

lipdVersion: 1.3

pub
pub1

journal: Nature

volume: 437

pages: 1003-1006

title: Climatic controls on central African hydrology during the past 20,000 years

doi: 10.1038/nature03945

pub2

journal: Geochimica et Cosmochimica Acta

volume: 73

pages: 119-132

title: Disentangling marine, soil and plant organic carbon contributions to continental margin sediments: A multi-proxy approach in a 20,000 year sediment record from the Congo deep-sea fan

doi: 10.1016/j.gca.2008.10.016

geo

latitude: -5.5883

longitude: 11.2217

elevation: 962

siteName: Congo River mouth

PaleoData columns
year (yr AD)

TSid: MATa197ed6bb1

variableName: year

units: yr AD

description: Year AD

depth (cm)

TSid: MAT85982ca7e0

variableName: depth

units: cm

description: depth

d18O (permil)

TSid: MS05ESCR01b

variableName: d18O

units: permil

description: inferred seawater

interpretation
1

basis: used to infer freshwater discharge from Congo river

direction: increase

interpDirection: increase

scope: climate

seasonality: deleteMe

variable: seawaterIsotope

variableDetail: sea surface

variableGroup: d18Osw

2

scope: climate

3

scope: climate

4

direction: positive

equilibriumEvidence: NaN

inferredMaterial: seawater

integrationTime: NaN

integrationTimeBasis: NaN

integrationTimeUncertainty: NaN

integrationTimeUncertaintyType: NaN

integrationTimeUnits: NaN

mathematicalRelation: linear

scope: isotope

seasonality: Annual

seasonalityOriginal: Annual

variable: seawaterIsotope

variableGroup: EffectiveMoisture

variableGroupDirection: negative

variableGroupOriginal: d18O_seawater

variableOriginal: Salinity

5

scope: isotope

6

scope: isotope

d18O (permil)

TSid: MS05ESCR01a

variableName: d18O

units: permil

description: carbonate

interpretation
1

basis: not used in study

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

mathematicalRelation: non-linear

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: decrease

mathematicalRelation: non-linear

scope: isotope

seasonality: Annual

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

mathematicalRelation: linear

scope: isotope

seasonality: Annual

d2H (permil)

TSid: MS05ESCR01c

variableName: d2H

units: permil

description: terrestrial biomarker

interpretation
1

scope: climate

2

scope: climate

3

scope: climate

4

basis: Sauer, P. E., Eglinton, T. I., Hayes, J. M., Schimmelmann, A. & Sessions, A. L. Compound-specific D/H ratios of lipid biomarkers from sediments as a proxy for environmental and climatic conditions. Geochim. Cosmochim. Acta 65, 213–222 (2001)

direction: positive

scope: isotope

seasonality: deleteMe

variable: precipitationIsotope

variableGroup: P_isotope

variableGroupDirection: positive

5

scope: isotope

6

scope: isotope

ChronData columns
depth (cm)

TSid: chron1

variableName: depth

units: cm

description: midpoint 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 (unitless)

TSid: chron4

variableName: fractionModern

units: unitless

description: fraction of modern 14C activity

fractionModernUncertainty (unitless)

TSid: chron5

variableName: fractionModernUncertainty

units: unitless

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 (unitless)

TSid: chron9

variableName: labID

units: unitless

description: laboratory ID from radiocarbon facility

materialDated (unitless)

TSid: chron10

variableName: materialDated

units: unitless

description: material analyzed

activity (Bq g1)

TSid: chron11

variableName: activity

units: Bq g1

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

activityUncertainty (Bq g1)

TSid: chron12

variableName: activityUncertainty

units: Bq g1

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

supportedActivity (unitless)

TSid: chron13

variableName: supportedActivity

units: unitless

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

x210PbModel (unitless)

TSid: chron14

variableName: x210PbModel

units: unitless

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

age (yr BP)

TSid: chron15

variableName: age

units: yr 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 (unitless)

TSid: chron19

variableName: useInAgeModel

units: unitless

description: was this date used in the age modelpermil