Reconstructed volcanic stratospheric sulfur injections and volcanic sulfate deposition over Greenland and Antarctica for the Bølling-Allerød/Younger Dryas transition (13.20-12.80 ka BP)

DOI

We used four polar ice cores - two from Greenland and two from Antarctica - to investigate volcanic sulphate deposition on polar ice sheets between 13,200 and 12,800 years BP. From Greenland, we employed discrete sulphate measurements from the Greenland Ice Sheet Project Two (GISP2; 72.97°N, 38.80°W) ice core (Mayewski et al., 1997) as well as sulphate measurements using Continuous Flow Analysis (CFA) (Bigler et al., 2002; Bigler et al., 2011) from the North Greenland Ice Core Project (NGRIP; 75.10°N, 42.33°W; 2941 m a.s.l.). From Antarctica, we used Fast Ion Chromatography (FIC) measurements from the EPICA Dronning Maud Land (EDML; 75.00°S, 00.07°E; 2892 m a.s.l.) ice core (Severi et al., 2007) as well as sulphur measurements (converted to sulphate) using Continuous Flow Analysis (CFA) coupled to an inductively coupled plasma mass spectrometer (ICPMS) (McConnell et al., 2017) from the WAIS (West Antarctic Ice Sheet) Divide ice core project (WD; 79.48°S, 112.11°W, 1766 m a.s.l.) (Sigl et al., 2016). The time resolution of the data range between multi-annual (i.e. 4 years) for GISP2 to sub-annual for NGRIP and WD. Based on these ice cores and by applying the age synchronization lattice previously developed for these cores (Seierstad et al., 2014; Buizert et al., 2018; Svensson et al., 2020) with linear interpolation between the volcanic markers, we reconstructed volcanic sulphate deposition over Greenland and Antarctica using established methods (Sigl et al., 2014; Sigl et al., 2015). Using the methodology developed and applied to a similar network of ice cores over the past 2,500 years (Toohey & Sigl 2017) we further estimated stratospheric sulphur injection (SSI) from 30 eruptions with SSI in excess of 1 Tg S.

Identifier
DOI https://doi.org/10.1594/PANGAEA.930557
Related Identifier https://doi.org/10.1021/es200118j
Related Identifier https://doi.org/10.3189/172756402781817158
Related Identifier https://doi.org/10.1038/s41586-018-0727-5
Related Identifier https://doi.org/10.1029/96JC03365
Related Identifier https://doi.org/10.1073/pnas.1705595114
Related Identifier https://doi.org/10.1038/s41586-021-03608-x
Related Identifier https://doi.org/10.1016/j.quascirev.2014.10.032
Related Identifier https://doi.org/10.5194/cp-3-367-2007
Related Identifier https://doi.org/10.5194/cp-12-769-2016
Related Identifier https://doi.org/10.1038/nclimate2293
Related Identifier https://doi.org/10.1038/nature14565
Related Identifier https://doi.org/10.5194/cp-16-1565-2020
Related Identifier https://doi.org/10.5194/essd-9-809-2017
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.930557
Provenance
Creator Sigl, Michael ORCID logo; McConnell, Joseph R ORCID logo; Severi, Mirko ORCID logo; Fischer, Hubertus ORCID logo
Publisher PANGAEA
Publication Year 2021
Funding Reference European Research Council https://doi.org/10.13039/501100000781 Crossref Funder ID 820047 doi:10.3030/820047 Timing of Holocene volcanic eruptions and their radiative aerosol forcing (THERA)
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 150 data points
Discipline Earth System Research
Spatial Coverage (-112.110W, -79.480S, 0.068E, 75.100N); Greenland; Antarctica, west
Temporal Coverage Begin 1990-01-01T00:39:00Z
Temporal Coverage End 2006-01-17T00:00:00Z