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Myrvoll-Nilsen, Eirik (2023): Summary of Bayesian onset detection algorithm for abrupt warming transitions in the NGRIP record: age [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946217, In: Myrvoll-Nilsen, E (2023): Summary of Bayesian onset detection algorithm for abrupt warming transitions in the NGRIP record [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.946218

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Abstract:
Summary statistics of posterior marginal distribution of the onset of abrupt warming transitions located in the last glacial age of the NGRIP record, based on both the d18O and Ca2+ proxy. Includes both statistics for the onset depth as well as age transition. Onset depth is found by applying a linear ramp function (Erhardt et al. 2019) which is combined with a probabilistic age-depth model to infer the onset age of the transition.
Keyword(s):
Abrupt Warming; Bayesian; Ice core; NGRIP; onset; Summary; transition
Supplement to:
Myrvoll-Nilsen, Eirik; Riechers, Keno; Rypdal, Martin; Boers, Niklas (2022): Comprehensive uncertainty estimation of the timing of Greenland warmings in the Greenland ice core records. Climate of the Past, 18(6), 1275-1294, https://doi.org/10.5194/cp-18-1275-2022
Project(s):
Tipping Points in the Earth System (TiPES)
Funding:
Horizon 2020 (H2020), grant/award no. 820970: Tipping Points in the Earth System
Coverage:
Latitude: 75.100000 * Longitude: -42.320000
Date/Time Start: 1996-07-01T00:00:00 * Date/Time End: 1996-07-01T00:00:00
Minimum Elevation: 2917.0 m * Maximum Elevation: 2917.0 m
Event(s):
NGRIP (NorthGRIP) * Latitude: 75.100000 * Longitude: -42.320000 * Date/Time: 1996-07-01T00:00:00 * Elevation: 2917.0 m * Location: Greenland * Campaign: NGRIP * Basis: Sampling/drilling ice * Method/Device: Ice drill (ICEDRILL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample IDSample IDMyrvoll-Nilsen, Eirik
2 AgeAgeaMyrvoll-Nilsen, Eirikb2k; δ18O_mean
3 AgeAgeaMyrvoll-Nilsen, Eirikb2k; δ18O_q0.025
4 AgeAgeaMyrvoll-Nilsen, Eirikb2k; δ18O_q0.975
5 AgeAgeaMyrvoll-Nilsen, Eirikb2k; Ca_mean
6 AgeAgeaMyrvoll-Nilsen, Eirikb2k; Ca_q0.025
7 AgeAgeaMyrvoll-Nilsen, Eirikb2k; Ca_q0.975
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
203 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Sample ID		2 
Age [a]
(b2k; δ18O_mean)		3 
Age [a]
(b2k; δ18O_q0.025)		4 
Age [a]
(b2k; δ18O_q0.975)		5 
Age [a]
(b2k; Ca_mean)		6 
Age [a]
(b2k; Ca_q0.025)		7 
Age [a]
(b2k; Ca_q0.975)
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