OC437_07_GC49 - v1.0.18

Dataset Id: 8DWHIoEqJ2iDR9AMm6Gu

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R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/8DWHIoEqJ2iDR9AMm6Gu/1_0_18/OC437_07_GC49.lpd")

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Download PaleoData only (csv)

Download ChronData only (csv)

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In compilations: (only most recent versions are shown)

root

archiveType: MarineSediment

originalDataUrl: https://doi.org/10.25921/fk1z-zv66

lipdVersion: 1.3

pub
pub1

author: list(list(name = "Tierney, Jessica E."))

journal: Science Advances

volume: 3

pages: e1601503

title: Rainfall regimes of the Green Sahara

doi: 10.1126/sciadv.1601503

geo

latitude: 23.2062

longitude: -17.3868

elevation: -2303

siteName: OC437_07_GC49

PaleoData columns
depth (cm)

TSid: T2L_OC437_07_GC49_depth

variableName: depth

units: cm

description: Sample depth

age (yr BP)

TSid: T2L_OC437_07_GC49_age_median

variableName: age

units: yr BP

description: Median age

age (yr BP)

TSid: T2L_OC437_07_GC49_age_original

variableName: age

units: yr BP

description: Original age

age (yr BP)

TSid: T2L_OC437_07_GC49_age_medianMedianBacon

variableName: age

units: yr BP

description: Median age

age (yr BP)

TSid: T2L_OC437_07_GC49_age

variableName: age

units: yr BP

description: Original age

Uk37 (unitless)

TSid: T2L_OC437_07_GC49_uk37

variableName: Uk37

units: unitless

interpretation
1

scope: climate

TEX86 (unitless)

TSid: T2L_OC437_07_GC49_tex86

variableName: TEX86

units: unitless

interpretation
1

scope: climate

temperature (degC)

TSid: T2L_OC437_07_GC49_uk37_SST_from_uk37

variableName: temperature

units: degC

description: SST calculated from uk37

interpretation
1

direction: positive

variable: temperature

scope: climate

variableGroup: Temperature

variableGroupOriginal: T

seasonalityGeneral: annual

seasonalityOriginal: 1 2 3 4 5 6 7 8 9 10 11 12

variableDetail: sea@surface

variableGroupDirection: negative

temperature (degC)

TSid: T2L_OC437_07_GC49_tex86_SST_from_tex86

variableName: temperature

units: degC

description: SST calculated from tex86

interpretation
1

direction: positive

variable: temperature

scope: climate

variableGroup: Temperature

variableGroupOriginal: T

seasonalityGeneral: annual

seasonalityOriginal: 1 2 3 4 5 6 7 8 9 10 11 12

variableDetail: sea@surface

variableGroupDirection: negative

d2H (permil)

TSid: WEB18e51058

variableName: d2H

units: permil

description: ## dDwax hydrogen isotopic composition of higher plant leaf waxes (C30 n-acid),,,per mil vs. VSMOW,Annual,Paleoceanography,,compound-specific isotope ratio mass spectrometry,N

interpretation
1

scope: climate

d2H (permil)

TSid: WEBd016ddae

variableName: d2H

units: permil

description: ## dDwax_iv hydrogen isotopic composition of higher plant leaf waxes (C30 n-acid), corrected for ice volume contributions,,,per mil vs. VSMOW,Annual,Paleoceanography,,IV correction from scaling benthic stack (LR04) to LGM change of 1 per mil in d18O space,N

interpretation
1

scope: climate

d13C (permil)

TSid: WEB75230e47

variableName: d13C

units: permil

description: ## d13Cwax carbon isotopic composition of higher plant leaf waxes (C30 n-acid),,,per mil vs. VPDB,Annual,Paleoceanography,,compound-specific isotope ratio mass spectrometry,N

interpretation
1

scope: climate

d2H (permil)

TSid: WEB85c68a3a

variableName: d2H

units: permil

description: ## dDP inferred dD of precipitation, from dDwax and d13Cwax, median values,,,per mil vs. VSMOW,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

variable: precipitation

direction: negative

scope: climate

variableDetail: amount@surface

seasonality: Annual

seasonalityGeneral: Annual

variableGroup: P

uncertaintyLow1s (unitless)

TSid: WEBb3560016

variableName: uncertaintyLow1s

units: unitless

description: ## dDP_1s_lower 1-sigma lower bound on dDP,,,per mil vs. VSMOW,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

scope: climate

uncertaintyHigh1s (unitless)

TSid: WEBd184ae2b

variableName: uncertaintyHigh1s

units: unitless

description: ## dDP_1s_upper 1-sigma upper bound on dDP,,,per mil vs. VSMOW,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

scope: climate

precipitation (mm/yr)

TSid: WEBc9694a07

variableName: precipitation

units: mm/yr

description: ## precip inferred annual precipitation rate from dDP, median values,,,mm/year,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

variable: precipitation

direction: positive

scope: climate

variableDetail: amount@surface

seasonality: Annual

seasonalityGeneral: Annual

variableGroup: P

uncertaintyLow1s (mm)

TSid: WEBc96ac165

variableName: uncertaintyLow1s

units: mm

description: ## precip_1s_lower 1-sigma lower bound on precipitation rate,,,mm/year,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

scope: climate

uncertaintyHigh1s (mm)

TSid: WEBcce70d6c

variableName: uncertaintyHigh1s

units: mm

description: ## precip_1s_upper 1-sigma upper bound on precipitation rate,,,mm/year,Annual,Paleoceanography,,Bayesian inference,N

interpretation
1

scope: climate

ChronData columns
depth_top (cm)

TSid: T2L_OC437_07_GC49_depth_top

variableName: depth_top

units: cm

description: Sample top depth

depth_bottom (cm)

TSid: T2L_OC437_07_GC49_depth_bottom

variableName: depth_bottom

units: cm

description: Sample bottom depth

labcode (unitless)

TSid: T2L_OC437_07_GC49_labcode

variableName: labcode

units: unitless

description: Lab sample code

mat_dated (unitless)

TSid: T2L_OC437_07_GC49_mat_dated

variableName: mat_dated

units: unitless

description: Material dated

c14_date (RC yr BP)

TSid: T2L_OC437_07_GC49_c14_date

variableName: c14_date

units: RC yr BP

description: 14C date

c14_1s_err (RC yr BP)

TSid: T2L_OC437_07_GC49_c14_1s_err

variableName: c14_1s_err

units: RC yr BP

description: 14C 1-sigma error

delta_r (unitless)

TSid: T2L_OC437_07_GC49_delta_r

variableName: delta_r

units: unitless

description: delta R

delta_r_original (unitless)

TSid: T2L_OC437_07_GC49_delta_r_original

variableName: delta_r_original

units: unitless

description: Original delta R

delta_r_1s_error (unitless)

TSid: T2L_OC437_07_GC49_delta_r_1s_error

variableName: delta_r_1s_error

units: unitless

description: delta R 1-sigma error

delta_r_1s_error_original (unitless)

TSid: T2L_OC437_07_GC49_delta_r_1s_error_original

variableName: delta_r_1s_error_original

units: unitless

description: Original delta R 1-sigma error

other_date (unitless)

TSid: T2L_OC437_07_GC49_other_date

variableName: other_date

units: unitless

description: Other date

other_1s_err (unitless)

TSid: T2L_OC437_07_GC49_other_1s_err

variableName: other_1s_err

units: unitless

description: Other date 1-sigma error

other_type (unitless)

TSid: T2L_OC437_07_GC49_other_type

variableName: other_type

units: unitless

description: Other date type

age_type (unitless)

TSid: R8NQs27r9MW

variableName: age_type

units: unitless

age (yr BP)

TSid: RGObf4kD2Fl

variableName: age

units: yr BP