Lyle, Mitchell W; Olivarez Lyle, Annette (2026): Digitized original CaCO3 content versus age from Zahn et al. (1991) for the Northeast Pacific sediment core Y70-5-64 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.997246
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Published: 2026-09-23 • DOI registered: 2026-10-22
Abstract:
We were unable to locate a data table so the data were extracted from Figure 4a in Zahn et al. (1991). The figure was scanned and data optically resolved into an age-CaCO3% data set to 728 ka. Ages were established by Zahn et al. (1991) by correlation to oxygen isotope profiles.
Supplement to:
Lyle, Mitchell W; Olivarez Lyle, Annette (preprint): Why does the Northwest Pacific Ocean (Kamchatka Margin) have a different carbonate time series than the rest of the Pacific? Regional carbonate production is greater than deep Pacific dissolution at the start of interglacials. Climate of the Past, https://doi.org/10.5194/egusphere-2026-3515
Source:
Zahn, Rainer; Pedersen, Thomas F; Bornhold, Brian D; Mix, Alan C (1991): Water mass conversion in the glacial subarctic Pacific (54°N, 148°W): physical constraints and the benthic-planktonic stable isotope record. Paleoceanography, 6(5), 543-560, https://doi.org/10.1029/91PA01327
Funding:
National Science Foundation (NSF), grant/award no. OCE-9811272: Collaborative Research: Millennial-Scale Carbonate Deposition Events Along the California Margin and their links to Paleoceanography and Paleoclimate
Coverage:
Latitude: 49.427000 * Longitude: -132.767000
Date/Time Start: 1970-10-14T00:00:00 * Date/Time End: 1970-10-14T00:00:00
Minimum Elevation: -2944.0 m * Maximum Elevation: -2944.0 m
Event(s):
Y70-5-64 * Latitude: 49.427000 * Longitude: -132.767000 * Date/Time: 1970-10-14T00:00:00 * Elevation: -2944.0 m * Campaign: Y70-5 * Basis: Yaquina * Method/Device: Piston corer (PC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Lyle, Mitchell W | |||
| 2 | AGE | Age | ka BP | Lyle, Mitchell W | From the original publication | Geocode |
| 3 | Calcium carbonate | CaCO3 | % | Lyle, Mitchell W | From the original publication | |
| 4 | Reference/source | Reference | Lyle, Mitchell W |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
208 data points