Dowsett, Harry J; Loubere, Paul (1992): Late Pliocene sea-surface temperature record of DSDP Hole 80-548 from the Northeast Atlantic Ocean (Table 1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.683526, Supplement to: Dowsett, HJ; Loubere, P (1992): High resolution late Pliocene sea-surface temperature record from the Northeast Atlantic Ocean. Marine Micropaleontology, 20(2), 91-105, https://doi.org/10.1016/0377-8398(92)90001-Z
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Abstract:
Application of quantitative micropaleontologic methods of sea-surface temperature (SST) estimation to the planktic foraminiferal faunas at Hole 548 in the northeast Atlantic between 3.5 and 2.0 Ma provide a detailed record of Pliocene surface temperature changes during the onset of major Northern Hemisphere glaciation. SST estimates indicate a relatively warm interval of "enhanced interglacials (warm peaks)" between 3.2 and 2.8 Ma followed by steady cooling with a significant step-like change toward colder temperatures occurring about 2.4 Ma. This record compares well with faunal and SST records from other North Atlantic sites.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 48.915800 * Longitude: -12.164000
Date/Time Start: 1981-06-10T00:00:00 * Date/Time End: 1981-06-10T00:00:00
Minimum DEPTH, sediment/rock: 113.82 m * Maximum DEPTH, sediment/rock: 190.76 m
Event(s):
80-548 * Latitude: 48.915800 * Longitude: -12.164000 * Date/Time: 1981-06-10T00:00:00 * Elevation: -1251.0 m * Penetration: 211 m * Recovery: 210.2 m * Location: North Atlantic/SPUR * Campaign: Leg80 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 211 m cored; 0 m drilled; 99.6 % recovery
Comment:
Factor analysis (varimax) of planktic foraminiferal counts generated by Loubere and Moss (1986)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | AGE | Age | ka BP | Geocode | ||
| 3 | Sample code/label | Sample label | Dowsett, Harry J | DSDP/ODP/IODP sample designation | ||
| 4 | Factor 1 | PC1 | Dowsett, Harry J | tropical | ||
| 5 | Factor 2 | PC2 | Dowsett, Harry J | polar | ||
| 6 | Factor 3 | PC3 | Dowsett, Harry J | gyre margin | ||
| 7 | Factor 4 | PC4 | Dowsett, Harry J | subtropical | ||
| 8 | Factor 5 | PC5 | Dowsett, Harry J | subpolar | ||
| 9 | Communality | Commun | Dowsett, Harry J | |||
| 10 | Sea surface temperature, winter | SST win | °C | Dowsett, Harry J | Transfer function GSF18, Dowsett & Poore (1990) | |
| 11 | Sea surface temperature, summer | SST sum | °C | Dowsett, Harry J | Transfer function GSF18, Dowsett & Poore (1990) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
1404 data points