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L <- lipdR::readLipd("https://lipdverse.org/data/SwJhjCbLxX0uQiNBHJc7/1_0_6/CO97CHSY.lpd")Report an issue (include datasetId and version)
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iso2k-1_1_0
archiveType: Coral
originalDataUrl: https://www.ncdc.noaa.gov/paleo/study/1857
lipdVersion: 1.3
dataContributor: JZ
author: Charles, C.D., D.E.Hunter, and R.G.Fairbanks.
citeKey: charles1997interaction
journal: Science
volume: 277
pages: -3
title: Interaction Between the ENSO and the Asian Monsoon in a Coral Record of Tropical Climate
doi: 10.1126/science.277.5328.925
author: Tierney, Jessica E. , Abram, Nerilie J. , Anchukaitis, Kevin J. , Evans, Michael N. , Giry, Cyril , Kilbourne, K. Halimeda , Saenger, Casey P. , Wu, Henry C. , Zinke, Jens
citeKey: tierney2015tropical
title: Ocean2kHR-IndianSeychellesCharles1997
doi: 10.1002/2014PA002717
latitude: -4.6062
longitude: 55.4244
elevation: -7
siteName: Beau Vallon Bay, Mahe Island, Republic of the Seychelles
pages2kRegion: Ocean
TSid: MATb8b3cd2a90
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: Ocean2kHR_011
variableName: d18O
units: permil
description: carbonate
useInGlobalTemperatureAnalysis: TRUE
basis: Authors suggest that ENSO dominates d18O variations on interannual timescales, while the Asian monsoon system drives decadal variability in d18O at this site
direction: decrease/increase
interpDirection: decrease/increase
scope: climate
seasonality: subannual
variable: temperature
variableDetail: sea surface
variableGroup: temperature and salinity
scope: climate
scope: climate
basis: At the Seychelles, however, one would expect the seasonal temperature variability (of more than 2i¿½C) to dominate the nearly constant d18O of seawater
direction: negative
inferredMaterial: seawater
integrationTime: 1
integrationTimeBasis: used the d18O cycle to count annual layers; assigned the high d18O extremes to Aug 1 of every year and interpolated linearly between these tie points. The largest d18O anomaly (late 1877) matches the most catastrophic monsoon failure on record
integrationTimeUncertainty: 1/12-1/6
integrationTimeUncertaintyType: chronological
integrationTimeUnits: month
mathematicalRelation: linear
rank: 1
scope: isotope
seasonality: subannual
variable: temperature
variableGroup: Temperature
variableGroupDirection: negative
variableGroupOriginal: T_water
basis: Furthermore, correspondence with an independent index of monsoon strength demonstrates that the coral successfully captures the large-scale aspects of Asian monsoon behavior
direction: positive
inferredMaterial: seawater
integrationTime: 1
integrationTimeBasis: used the d18O cycle to count annual layers; assigned the high d18O extremes to Aug 1 of every year and interpolated linearly between these tie points. The largest d18O anomaly (late 1877) matches the most catastrophic monsoon failure on record
integrationTimeUncertainty: 1/12-1/6
integrationTimeUncertaintyType: chronological
integrationTimeUnits: month
mathematicalRelation: linear
rank: 2
scope: isotope
seasonality: Wet Season
variable: seawaterIsotope
variableGroup: EffectiveMoisture
variableGroupDirection: negative
variableGroupOriginal: d18O_seawater
scope: isotope
TSid: chron1
variableName: depthUTh
units: mm
description: mid-point depth of the sub-sample drilled for U-Th age
TSid: chron20
variableName: depthtopPb
units: mm
description: Depth at the top of the sub-sample for 210Pb analysis
TSid: chron21
variableName: depthbottomPb
units: mm
description: Depth at the bottom of the sub-sample for 210Pb analysis
TSid: chron24
variableName: depthtopCs
units: mm
description: Depth at the top of the sub-sample for 137Cs analysis
TSid: chron25
variableName: depthbottomCs
units: mm
description: Depth at the bottom of the sub-sample for 137Cs analysis
TSid: chron2
variableName: SampleID
description: Sample ID for the U-Th age measured
TSid: chron3
variableName: weight
units: mg
description: Weight of powder analyzed for U-Th age
TSid: chron4
variableName: U238
units: ppb
description: 238U content of the sub-sample
TSid: chron5
variableName: U238_error
units: ppb
description: Analytical uncertainty of 238U
TSid: chron6
variableName: Th232
units: ppt
description: 232Th content of the sub-sample
TSid: chron7
variableName: Th232_error
units: ppt
description: Analytical uncertainty of 232Th
TSid: chron8
variableName: d234U
units: (ratio)
description: d234U measured in the sub-sample
TSid: chron9
variableName: d234U_error
description: Analytical uncertainty of d234U
TSid: chron10
variableName: Th230_U238activity
units: activity
description: [230Th/238U] activity measured in the sub-sample
TSid: chron11
variableName: U_Thactivity_error
description: Analytical uncertainty of 230Th-238U activity
TSid: chron12
variableName: Th230_Th232ratio
units: ppm
description: [230Th/232Th] ratio in the sub-sample
TSid: chron13
variableName: Thratio_error
units: ppm
description: Analytical uncertainty of 230Th-232Th ratio
TSid: chron14
variableName: AgeUncorrected
units: years ago
description: Uncorrected U-Th age of the sub-sample
TSid: chron15
variableName: AgeUncorr_error
units: yrs
description: Analytical uncertainty of Uncorrected Age
TSid: chron16
variableName: age
units: years ago
description: Corrected U-Th age of the sub-sample
TSid: chron17
variableName: AgeCorr_error
units: yrs
description: Uncertainty of Corrected Age (includes Th correction)
TSid: chron18
variableName: dU234initial
units: (ratio)
description: Calculated initial d234U in the sub-sample
TSid: chron19
variableName: dU234i_error
description: Analytical uncertainty of calculated d234U initial
TSid: chron22
variableName: Pb210excess
units: dpm/g
description: Lead-210 excess measured in the sub-sample
TSid: chron23
variableName: Pb210_error
units: dpm/g
description: Analytical uncertainty of 210Pb excess
TSid: chron26
variableName: Cs137gamactivity
units: Bq/g
description: Cesium-137 g-activity measured in the sub-sample
TSid: chron27
variableName: Cs137_error
units: Bq/g
description: Analytical uncertainty of 137Cs g-activity
TSid: chron28
variableName: bandAge
units: yr CE
description: Band counted age for the U-Th sample
TSid: chron29
variableName: sampleType
description: Sample description. E.g., round plug, annual density band
root
pub
pub1
pub2
geo
PaleoData columns
year (yr AD)
interpretation
1
2
3
4
d18O (permil)
interpretation
1
2
3
4
5
6
ChronData columns
depthUTh (mm)
depthtopPb (mm)
depthbottomPb (mm)
depthtopCs (mm)
depthbottomCs (mm)
SampleID ()
weight (mg)
U238 (ppb)
U238_error (ppb)
Th232 (ppt)
Th232_error (ppt)
d234U ((ratio))
d234U_error ()
Th230_U238activity (activity)
U_Thactivity_error ()
Th230_Th232ratio (ppm)
Thratio_error (ppm)
AgeUncorrected (years ago)
AgeUncorr_error (yrs)
age (years ago)
AgeCorr_error (yrs)
dU234initial ((ratio))
dU234i_error ()
Pb210excess (dpm/g)
Pb210_error (dpm/g)
Cs137gamactivity (Bq/g)
Cs137_error (Bq/g)
bandAge (yr CE)
sampleType ()