L <- lipdR::readLipd("https://lipdverse.org/data/h2WTuqezT9zA5JVQ4A1p/1_0_13/LS99CUVA.lpd")Report an issue (include datasetId and version)
In compilations: (only most recent versions are shown)
iso2k-1_0_0
archiveType: LakeSediment
originalDataUrl: https://doi.org/10.25921/7z2j-zn40
lipdVersion: 1.3
author: list(list(name = "Curtis, J.H. , Hodell, D.A. , Brenner, M."))
journal: The Holocene
volume: 9
pages: -10
title: Climate change in the Lake Valencia Basin, Venezuela, |12600 yr BP to present
doi: 10.1191/095968399669724431
latitude: 10.1667
longitude: -67.75
elevation: 400
siteName: Lake Valencia
TSid: MATe80b9fa4c1
variableName: year
units: yr AD
description: Year AD
TSid: MAT453770a586
variableName: depth
units: cm
description: depth
TSid: WEBab09259b
variableName: age
units: yr BP
description: age=1950-year
TSid: LS99CUVAc
variableName: d18O
units: permil
description: carbonate
scope: climate
direction: negative
seasonality: Annual
variable: effectivePrecipitation
variableDetail: lakebalance@surface
seasonalityGeneral: Annual
variableGroup: P-E
basis: Lake level also important as lake not always closed but Since ,3000 14C yr BP the level of Lake Valencia has been dropping. Lake closed in present day, but last 2k isotoeps realtively fresh suggesting more open system?
direction: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 1
scope: isotope
variable: effectivePrecipitation
variableGroup: EffectiveMoisture
variableGroupOriginal: P_E
variableGroupDirection: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableOriginal: temperature
variableGroup: Temperature
variableGroupOriginal: T
variableGroupDirection: negative
TSid: LS99CUVAb
variableName: d18O
units: permil
description: carbonate
scope: climate
direction: negative
seasonality: Annual
variable: effectivePrecipitation
variableDetail: lakebalance@surface
seasonalityGeneral: Annual
seasonalityOriginal: Annual
variableGroup: P-E
basis: Lake level also important as lake not always closed but Since ,3000 14C yr BP the level of Lake Valencia has been dropping. Lake closed in present day, but last 2k isotoeps realtively fresh suggesting more open system?
direction: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 1
scope: isotope
variable: effectivePrecipitation
variableGroup: EffectiveMoisture
variableGroupOriginal: P_E
variableGroupDirection: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableOriginal: temperature
variableGroup: Temperature
variableGroupOriginal: T
variableGroupDirection: negative
TSid: LS99CUVAa
variableName: d18O
units: permil
description: carbonate
scope: climate
direction: negative
seasonality: Annual
variable: effectivePrecipitation
variableDetail: lakebalance@surface
seasonalityGeneral: Annual
seasonalityOriginal: Annual
variableGroup: P-E
basis: Lake level also important as lake not always closed but Since ,3000 14C yr BP the level of Lake Valencia has been dropping. Lake closed in present day, but last 2k isotoeps realtively fresh suggesting more open system?
direction: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 1
scope: isotope
variable: effectivePrecipitation
variableGroup: EffectiveMoisture
variableGroupOriginal: P_E
variableGroupDirection: negative
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableOriginal: temperature
variableGroup: Temperature
variableGroupOriginal: T
variableGroupDirection: negative
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
units: unitless
description: fraction of modern 14C activity
TSid: chron5
variableName: fractionModernUncertainty
units: unitless
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
units: unitless
description: laboratory ID from radiocarbon facility
TSid: chron10
variableName: materialDated
units: unitless
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
units: unitless
description: Y if supported 210Pb activity, N if unsupported 210Pb activity
TSid: chron14
variableName: x210PbModel
units: unitless
description: model used to convert 210Pb activity to age (e.g., constant rate of supply)
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
units: unitless
description: was this date used in the age model?
root
pub
pub1
geo
PaleoData columns
year (yr AD)
depth (cm)
age (yr BP)
d18O (permil)
interpretation
1
2
3
d18O (permil)
interpretation
1
2
3
d18O (permil)
interpretation
1
2
3
ChronData columns
depth (cm)
age14C (yr14C BP)
SD (yr14C BP)
fractionModern (unitless)
fractionModernUncertainty (unitless)
delta13C (permil)
delta13Cuncertainty (permil)
thickness (cm)
labID (unitless)
materialDated (unitless)
activity (Bq g-1)
activityUncertainty (Bq g-1)
supportedActivity (unitless)
x210PbModel (unitless)
SD (yr BP)
reservoirAge14C (yr14C BP)
reservoirAge14CUncertainty (yr14C BP)
useInAgeModel (unitless)