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L <- lipdR::readLipd("https://lipdverse.org/data/vhcjmyX6ZLbzoC3TIoaf/1_0_5/LS11RYKA.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: Ryves, David B. , Mills, Keely , Bennike, Ole , Brodersen, Klaus Peter , Lamb, Angela L. , Leng, Melanie J. , Russell, James M. , Ssemmanda, Immaculate
journal: Quaternary Science Reviews
volume: 30
pages: -14
title: Environmental change over the last millennium recorded in two contrasting crater lakes in western Uganda, eastern Africa (Lakes Kasenda and Wandakara)
doi: 10.1016/j.quascirev.2010.11.011
latitude: 0.4333
longitude: 30.28
elevation: 1260
siteName: Kasenda
TSid: MAT5b1c65d758
variableName: year
units: yr AD
description: Year AD
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: MAT587c7733cf
variableName: depth
units: cm
description: depth
rank: NA
scope: climate
rank: NA
scope: climate
rank: NA
scope: climate
TSid: LS11RYKA
variableName: d18O
units: permil
description: carbonate
scope: climate
scope: climate
scope: climate
basis: a negative excursion in the d18Ocarb profiles suggests reduced evaporative concentration of lake water. Although it is not straightforward to compare carbonate with water d18O values, d18O values are more similar to groundwater (c. 2&; K. Mills & J.M. Russell, unpubl. data), in contrast to current lake water values indicating net evaporation (values between A¾2 and A¾4&; K. Mills & J.M. Russell, unpubl. data).'
direction: negative
inferredMaterial: lake water
integrationTimeUncertaintyType: chronology, unknown lake residence time
integrationTimeUnits: Years
rank: 1
scope: isotope
variable: hydrologicBalance
variableGroup: EffectiveMoisture
variableGroupDirection: negative
variableGroupOriginal: I_E
basis: discussion in relation to other proxies for upper sediments
direction: negative
inferredMaterial: Lake water
integrationTimeUncertaintyType: chronology, unknown lake residence time
integrationTimeUnits: Years
rank: 2
scope: isotope
variable: deleteMe
variableGroup: catchment disturbance
direction: negative
inferredMaterial: Lake water
integrationTimeUncertaintyType: chronology, unknown lake residence time
integrationTimeUnits: Years
rank: 3
scope: isotope
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T_lake
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
depth (cm)
interpretation
1
2
3
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 ()