The 3.6 ka Aniakchak tephra in marine sediments from the Chukchi Sea, Arctic Ocean
Christof Pearce
The eruption of the Alaskan Aniakchak volcano of 3.6 thousand years ago was one of the largest Holocene eruptions worldwide. The resulting ash is found in several Alaskan sites and as far as Newfoundland and Greenland. This dataset describes ash from the Aniakchak eruption in a marine sediment core from the western Chukchi Sea in the Arctic Ocean. Combined with radiocarbon dates on mollusks, the volcanic age marker is used to calculate the marine radiocarbon reservoir age at that time.
MarineSediment coresChukchi SeaTephraRadiocarbonReservoir ageArctic OceanHolocene
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References
Pearce, C., Varhelyi, A., Wastegård, S., Muschitiello, F., Barrientos, N., O'Regan, M., Cronin, T. M., Gemery, L., Semiletov, I., Backman, J., and Jakobsson, M. 2017: The 3.6 ka Aniakchak tephra in the Arctic Ocean: a constraint on the Holocene radiocarbon reservoir age in the Chukchi Sea, Clim. Past, 13, 303-316, https://doi.org/10.5194/cp-13-303-2017
Data description
The data file (xlsx) contains the following tabs: Table S1. Aniakchak Age; Table S2. Tephra concentrations; Table S3. EPMA data; Table S4. Grain Size data; Table S5. Chronology of 2PC; Table S6. EPMA standards.
Comments
The data come from one marine sediment core, Core SWERUS-L2-2-PC1 from 72.52° N 175.32° W in the Chukchi Sea, northeast of Wrangel Island. The dataset was originally published in the Supplement to Pearce et al. 2017 at http://www.clim-past.net/13/303/2017/cp-13-303-2017-supplement.zip. A copy is stored in the Bolin Centre Database.
Project
SWERUS-C3. Funded by the Knut and Alice Wallenberg Foundation.
Publisher
Copernicus Publications
First name
Christof
Last name or organisation
Pearce
Email address
Address
Department of Geological Sciences, Stockholm University
Postal code
SE-106 91
City
Stockholm
Country
Sweden
GCMD science keyword
Earth science
GCMD location
Ocean > Arctic Ocean > Chukchi Sea
Dataset language
English