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L <- lipdR::readLipd("https://lipdverse.org/data/IoYIZQiXUYt4qdrQi3mm/1_0_6/LS04JOCH.lpd")Report an issue (include datasetId and version)
In compilations: (only most recent versions are shown)
iso2k-1_1_1
archiveType: LakeSediment
originalDataUrl: this compilation
lipdVersion: 1.3
author: Jones, Vivienne J. , Leng, Melanie J. , Solovieva, Nadia , Sloane, Hilary J. , Tarasov, Pavel
journal: Quaternary Science Reviews
volume: 23
title: Holocene climate of the Kola Peninsula; evidence from the oxygen isotope record of diatom silica
doi: 10.1016/j.quascirev.2003.06.014
latitude: 67.95
longitude: 32.48
elevation: 475
siteName: Chuna
TSid: LPDd737d3bd
variableName: year
units: yr AD
description: Year AD
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: LPD87f9c656
variableName: depth
units: cm
description: depth
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: LS04JOCH
variableName: d18O
units: permil
description: silica
basis: summer precipitation would impose a shift in the isotopic composition of the lake water and ultimately in the d18Odiatom record. More positive d18Odiatom values would suggest a greater contribution of summer rainfall from the Atlantic, bringing warmer temperatures. While more negative d18Odiatom suggests a greater contribution from the colder Arctic air mass.
direction: increase
interpDirection: increase
scope: climate
seasonality: Summer
seasonalityOriginal: summer
variable: precipitation
variableDetail: Moisture source
variableGroup: P
variableOriginal: Precipitation
scope: climate
scope: climate
basis: The diatom blooms that provide the biogenic silica to the sediment occur in the summer months, June? September, when the lake is ice-free, when temperatures are highest and when rainfall is heaviest enabling nutrients to be washed in from the catchment. The d18Odiatom signal therefore reflects the climatic regime during the summer months although there will be a component of winter precipitation released from ice and snow in the catchment during the early summer thaw.; evaporative effects on the isotopic composition of the lake water are minimal.;comparison with the pollen based temperature reconstruction indicates that the magnitude and direction of the isotope inferred temperature change is unrealistic.;
direction: positive
inferredMaterial: lake water
rank: 1
scope: isotope
seasonality: Jun-Aug
seasonalityOriginal: summer
variable: precipitationIsotope
variableGroup: P_isotope
variableGroupDirection: positive
scope: isotope
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: age14Cuncertainty
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: chron16
variableName: ageUncertainty
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
depth (cm)
interpretation
1
2
3
d18O (permil)
interpretation
1
2
3
4
5
6
ChronData columns
depth (cm)
age14C (yr14C BP)
age14Cuncertainty (yr14C BP)
fractionModern ()
fractionModernUncertainty ()
delta13C (permil)
delta13Cuncertainty (permil)
thickness (cm)
labID ()
materialDated ()
activity (Bq g-1)
activityUncertainty (Bq g-1)
supportedActivity ()
x210PbModel ()
ageUncertainty (yr BP)
reservoirAge14C (yr14C BP)
reservoirAge14CUncertainty (yr14C BP)
useInAgeModel ()