Gjoavatnet.vanderBilt.2019 - v1.1.8

Dataset Id: Pkf1yhKhQDgE1JPk4Enj

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R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/Pkf1yhKhQDgE1JPk4Enj/1_1_8/Gjoavatnet.vanderBilt.2019.lpd")

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Dataset changelog

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In compilations: (only most recent versions are shown)

HoloceneAbruptChange-0_11_0

root

archiveType: LakeSediment

lipdVersion: 1.3

pub
pub1

author: list(list(name = "van der Bilt, Willem G.M."))

journal: Geophysical Research Letters

pages: 14732-14741

title: Early Holocene Temperature Oscillations Exceed Amplitude of Observed and Projected Warming in Svalbard Lakes

funding
funding1

agency: Centre for Climate Dynamics

grant: ECONORS Fast Track Initiative

country: Norway

funding2

grant: MOMENTUM

country: Norway

funding3

agency: G. Unger Vetlesen foundation

geo

latitude: 79.46

longitude: 10.51

siteName: Gjoeavatnet (GJP)

PaleoData columns
depth (m)

TSid: WEBeef707e1

variableName: depth

units: m

age (yr BP)

TSid: WEB95afeb03

variableName: age

units: yr BP

Uk37 (unitless)

TSid: WEB02525b7b

variableName: Uk37

units: unitless

description: UK37

interpretation
1

direction: positive

scope: climate

seasonality: Jun-Aug

variable: temperature

variableDetail: lake@surface

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T

temperature (degC)

TSid: WEBdb8c6da5

variableName: temperature

units: degC

description: Lake water temperature anomalies calculated from UK37 values based on Group I specific calibraiton from D'Andrea et al (2016). UK37 = 0.0287 * T -a0

interpretation
1

basis: "Following from the above, we therefore argue that our reconstructions represent JJA water temperature variations. Monitoring data suggests that these are strongly linked to surface air temperature change in our study area (Holm et al., 2012). This notion is supported by the observation-validated alkenone record from lake Kongressvatnet on West Spitsbergen (D’Andrea et al., 2012); here, U_37^K values (n=15) capture 59% of recorded JJA air temperatures. We should, however, note that the intermittent influx of glacial meltwater might have affected coupling between water and air temperature through time in some of the lakes we target(see paragraph 4.1); both Hajeren and Gjoeavatnet are currently glacier-fed lakes, and have been so during the Greenlandian (11.7-8.2 ka BP) (De Wet et al., 2017; van der Bilt et al., 2015). "

direction: positive

scope: climate

seasonality: Jun-Aug

seasonalityGeneral: Jun-Aug

variable: temperature

variableDetail: lake@surface

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T

sampleID (unitless)

TSid: WEB194401f3

variableName: sampleID

units: unitless

ChronData columns
depth (cm)

TSid: WEBf3fd9b4d

variableName: depth

units: cm

description: Composite depth

Core (unitless)

TSid: WEBa472fcc3

variableName: Core

units: unitless

material (Unitless)

TSid: WEBcc02ff64

variableName: material

units: Unitless

Sample mass (mg)

TSid: WEB0004cf49

variableName: Sample mass

units: mg

description:

mg C (unitless)

TSid: WEBb1f12641

variableName: mg C

units: unitless

description: mg C in sample

age14C (yr 14C BP)

TSid: WEB49ad2837

variableName: age14C

units: yr 14C BP

age14C_uncertainty1s (yr 14C BP)

TSid: WEB4b5475fe

variableName: age14C_uncertainty1s

units: yr 14C BP

Min cal age (cal yr BP)

TSid: WEB86585152

variableName: Min cal age

units: cal yr BP

description: Minimum calibrated age (±2 sigma)

Max cal age (cal yr BP)

TSid: WEB09c08f5a

variableName: Max cal age

units: cal yr BP

description: maximum calibrated age (±2 sigma)

d13C (per mil)

TSid: WEB5e34d660

variableName: d13C

units: per mil

description: sample d13C value