LastChance.Axford.2017 - v1.0.17

Dataset Id: bgkt7Igq5ZcPeDeHsjO3

Download LiPD file without ensemble tables

Download LiPD file as JSON-LD (no ensemble data)

Download LiPD file with ensemble data

R code to load dataset:

L <- lipdR::readLipd("https://lipdverse.org/data/bgkt7Igq5ZcPeDeHsjO3/1_0_17/LastChance.Axford.2017.lpd")

Edit LiPD file

Download PaleoData only (csv)

Download ChronData only (csv)

Dataset changelog

Report an issue (include datasetId and version)

In compilations: (only most recent versions are shown)

HoloceneAbruptChange-0_11_0

root

archiveType: LakeSediment

lipdVersion: 1.3

pub
pub1

author: list(list(name = "Axford, Yarrow"))

journal: Boreas

pages: 678-687

title: Timing and magnitude of early to middle Holocene warming in East Greenland inferred from chironomids

funding
funding1

agency: NSF

grant: ARC-0909270

country: USA

funding2

agency: NSF

grant: ARC-0909285

country: USA

funding3

agency: NSF

grant: ARC-0908081

country: USA

funding4

agency: NSF

grant: ARC-1454734

country: US

geo

latitude: 70.9064

longitude: -24.4306

elevation: 660

siteName: Last Chance Lake

PaleoData columns
age (yr BP)

TSid: WEB1d1b553c

variableName: age

units: yr BP

temperature (degC)

TSid: WEB3bd1b206

variableName: temperature

units: degC

description: Fortin et al. 2015 calibration (favored by authors)

interpretation
1

basis: a two-component WA partial-least-squares (WA-PLS) model employing a large northern North American training set, comprising 434 sites representing a July air temperature gradient from 2.0 to 16.3 °C and spanning from Alaska, USA, to eastern Canada and from Boreal to High Arctic environments, including the Canadian Arctic islands (Fortin et al. 2015; 78 taxa, r2boot = 0.72, RMSEP = 1.9 °C).

direction: positive

scope: climate

seasonality: Jul

variable: temperature

variableDetail: air@surface

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T

temperature (degC)

TSid: WEB6a00c91b

variableName: temperature

units: degC

description: Francis et al., 2006 calibration (excluding two taxonomically ambiguous groups)

interpretation
1

basis: "a weighted-averaging (WA) model with inverse deshrink- ing and tolerance downweighting, based upon a north- eastern North American training set including 68 sites representing a July air temperature gradient of 5.0 to 19.0 °C and spanning from the Canadian Arctic islands west of Greenland to Maine, USA (Francis et al. 2006; 44 taxa, r2jack = 0.88, RMSEP = 1.5 °C)"

direction: positive

scope: climate

seasonality: Jul

variable: temperature

variableDetail: air@surface

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T

temperature (degC)

TSid: WEB611097d7

variableName: temperature

units: degC

description: Francis et al., 2006 calibration including taxonomically ambiguous groups

interpretation
1

basis: "a weighted-averaging (WA) model with inverse deshrink- ing and tolerance downweighting, based upon a north- eastern North American training set including 68 sites representing a July air temperature gradient of 5.0 to 19.0 °C and spanning from the Canadian Arctic islands west of Greenland to Maine, USA (Francis et al. 2006; 44 taxa, r2jack = 0.88, RMSEP = 1.5 °C)"

direction: positive

scope: climate

seasonality: Jul

seasonalityGeneral: Aug

variable: temperature

variableDetail: air@surface

variableGroup: Temperature

variableGroupDirection: negative

variableGroupOriginal: T

ChronData columns
depth (cm)

TSid: WEB-2e795-0dc5-47be-b84e-f8a22

variableName: depth

units: cm

sampleID (unitless)

TSid: WEB-57cb6-8331-467c-8792-ce826

variableName: sampleID

units: unitless

material (unitless)

TSid: WEB-65425-a2e3-4ea7-8b7f-5c29f

variableName: material

units: unitless

ageType (unitless)

TSid: WEB-8bb90-fb30-47c4-8df5-2639f

variableName: ageType

units: unitless

age14C (yr 14C BP)

TSid: WEB-3c49b-775c-450c-9545-8d97c

variableName: age14C

units: yr 14C BP

age14C_uncertainty1s (yr 14C BP)

TSid: WEB-07fe4-46f4-4cf7-99b4-7c79e

variableName: age14C_uncertainty1s

units: yr 14C BP

age (yr BP)

TSid: WEB-1d699-c86f-451a-bb19-d30d7

variableName: age

units: yr BP

uncertainty1s (yr BP)

TSid: WEB-c9e6b-5fec-4108-b984-e6785

variableName: uncertainty1s

units: yr BP

rejected (unitless)

TSid: WEB-584cb-3a05-490d-9b0b-37145

variableName: rejected

units: unitless