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L <- lipdR::readLipd("https://lipdverse.org/data/mqnh7KpCCW1SVulMfui3/1_0_6/LS11BIPU.lpd")Report an issue (include datasetId and version)
In compilations: (only most recent versions are shown)
iso2k-1_1_1
archiveType: LakeSediment
originalDataUrl: https://www.ncdc.noaa.gov/paleo/study/12199
lipdVersion: 1.3
author: Bird, Broxton W. , Abbott, Mark B. , Rodbell, Donald T. , Vuille, Mathias
journal: Earth and Planetary Science Letters
volume: 310
pages: -10
title: Holocene tropical South American hydroclimate revealed from a decadally resolved lake sediment ?18O record
doi: 10.1016/j.epsl.2011.08.040
latitude: -10.7
longitude: -76.06
elevation: 4300
siteName: Laguna Pumacocha
TSid: MATdcb959bd61
variableName: year
units: yr AD
description: Year AD
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: MATb2ca379d07
variableName: depth
units: cm
description: depth
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: LS11BIPU01a
variableName: d18O
units: permil
description: carbonate
basis: d18O.precipitation over tropical South America controlled by Raleigh-type fractionation (see Vuille & Werner 2005)
direction: decrease
interpDirection: decrease
scope: climate
seasonality: Dec-Mar
variable: precipitationIsotope
variableDetail: primarily controlled by intensity of South America summer monsoon
variableGroup: d18O precipitation
scope: climate
scope: climate
basis: exclusion of all other possible influencing processes (see Bird et al. 2011)
direction: positive
equilibriumEvidence: modern d18O.lakewater and d18O.calcite identical within error
inferredMaterial: lake water
integrationTimeUncertaintyType: chronological; resolution
integrationTimeUnits: years
rank: 1
scope: isotope
variable: precipitationIsotope
variableGroup: P_isotope
variableGroupDirection: positive
equilibriumEvidence: modern d18O.lakewater and d18O.calcite identical within error
inferredMaterial: lake water
integrationTimeUncertaintyType: chronological; resolution
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T_lake
scope: isotope
TSid: chron1
variableName: depth
units: cm
description: mid-point depth
TSid: chron2
variableName: age14C
units: yr14C BP
description: 14C years before 1950
TSid: chron3
variableName: SD
units: yr14C BP
description: 14C years uncertainty
TSid: chron4
variableName: fractionModern
description: fraction of modern 14C activity
TSid: chron5
variableName: fractionModernUncertainty
description: fraction of modern 14C activity uncertainty
TSid: chron6
variableName: delta13C
units: permil
description: delta13C of material analyzed for 14C
TSid: chron7
variableName: delta13Cuncertainty
units: permil
description: delta13C uncertainty
TSid: chron8
variableName: thickness
units: cm
description: thickness of sample (along depth axis)
TSid: chron9
variableName: labID
description: laboratory ID from radiocarbon facility
TSid: chron10
variableName: materialDated
description: material analyzed
TSid: chron11
variableName: activity
units: Bq g-1
description: 210Pb, 239+240Pu or 137Cs activity
TSid: chron12
variableName: activityUncertainty
units: Bq g-1
description: 210Pb, 239+240Pu or 137Cs activity uncertainty
TSid: chron13
variableName: supportedActivity
description: Y if supported 210Pb activity, N if unsupported 210Pb activity
TSid: chron14
variableName: x210PbModel
description: model used to convert 210Pb activity to age (e.g., constant rate of supply)
TSid: chron15
variableName: age
units: yr BP
description: years before 1950 (calibrated age, or ages that dont need calibration)
TSid: chron16
variableName: SD
units: yr BP
description: uncertainty in age
TSid: chron17
variableName: reservoirAge14C
units: yr14C BP
description: 14C reservoir age
TSid: chron18
variableName: reservoirAge14CUncertainty
units: yr14C BP
description: 14C reservoir age uncertainty
TSid: chron19
variableName: useInAgeModel
description: was this date used in the age model?
root
pub
pub1
geo
PaleoData columns
year (yr AD)
interpretation
1
2
3
4
depth (cm)
interpretation
1
2
3
4
d18O (permil)
interpretation
1
2
3
4
5
6
ChronData columns
depth (cm)
age14C (yr14C BP)
SD (yr14C BP)
fractionModern ()
fractionModernUncertainty ()
delta13C (permil)
delta13Cuncertainty (permil)
thickness (cm)
labID ()
materialDated ()
activity (Bq g-1)
activityUncertainty (Bq g-1)
supportedActivity ()
x210PbModel ()
age (yr BP)
SD (yr BP)
reservoirAge14C (yr14C BP)
reservoirAge14CUncertainty (yr14C BP)
useInAgeModel ()