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L <- lipdR::readLipd("https://lipdverse.org/data/6b2IjC8xcwhkBU3UVYoi/1_0_5/LS99CUVA.lpd")Report an issue (include datasetId and version)
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iso2k-1_1_1
archiveType: LakeSediment
originalDataUrl: https://www.ncdc.noaa.gov/cdo/f?p=519:1:::::P1_STUDY_ID:5489
lipdVersion: 1.3
author: 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
rank: NA
scope: climate
rank: NA
scope: climate
TSid: MAT453770a586
variableName: depth
units: cm
description: depth
rank: NA
scope: climate
rank: NA
scope: climate
TSid: LS99CUVAc
variableName: d18O
units: permil
description: carbonate
scope: climate
scope: climate
scope: climate
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
variableGroupDirection: negative
variableGroupOriginal: P_E
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T
variableOriginal: temperature
scope: isotope
TSid: LS99CUVAb
variableName: d18O
units: permil
description: carbonate
scope: climate
scope: climate
scope: climate
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
variableGroupDirection: negative
variableGroupOriginal: P_E
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T
variableOriginal: temperature
scope: isotope
TSid: LS99CUVAa
variableName: d18O
units: permil
description: carbonate
scope: climate
scope: climate
scope: climate
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
variableGroupDirection: negative
variableGroupOriginal: P_E
inferredMaterial: lake water
integrationTimeUnits: years
rank: 2
scope: isotope
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T
variableOriginal: temperature
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?
TSid: R6kAkP1L2OfPPZj03
variableName: reject
root
pub
pub1
geo
PaleoData columns
year (yr AD)
interpretation
1
2
depth (cm)
interpretation
1
2
d18O (permil)
interpretation
1
2
3
4
5
6
d18O (permil)
interpretation
1
2
3
4
5
6
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 ()
reject ()