Zheng, Y; van Geen, Alexander; Anderson, Robert F; Gardner, James V; Dean, Walter E; Zheng, Yan (2000): (Table 1) Age determination of sediment cores F2-92-P3 and F2-92-P40 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.855279, Supplement to: Zheng, Yan; van Geen, Alexander; Anderson, Robert F; Gardner, James V; Dean, Walter E (2000): Intensification of the Northeast Pacific oxygen minimum zone during the Bölling-Alleröd Warm Period. Paleoceanography, 15(5), 528-536, https://doi.org/10.1029/1999PA000473
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Abstract:
Although climate records from several locations around the world show nearly synchronous and abrupt changes, the nature of the inferred teleconnection is still poorly understood. On the basis of preserved laminations and molybdenum enrichments in open margin sediments we demonstrate that the oxygen content of northeast Pacific waters at 800 m depth during the Bölling-Alleröd warm period (15–13 kyr) was greatly reduced. Existing oxygen isotopic records of benthic and planktonic foraminifera suggest that this was probably due to suppressed ventilation at higher latitudes of the North Pacific. Comparison with ventilation records for the North Atlantic indicates an antiphased pattern of convection relative to the North Pacific over the past 22 kyr, perhaps due to variations in water vapor transport across Central America.
Further details:
Gardner, James V; Dean, Walter E; Dartnell, Peter (1997): Biogenic sedimentation beneath the California Current system for the past 30 kyr and its paleoceanographic significance. Paleoceanography, 12(2), 207-226, https://doi.org/10.1029/96PA03567
Coverage:
Median Latitude: 35.520750 * Median Longitude: -121.427083 * South-bound Latitude: 35.418167 * West-bound Longitude: -121.438333 * North-bound Latitude: 35.623333 * East-bound Longitude: -121.415833
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 5.70 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Zheng, Yan | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Zheng, Yan | Geocode | |
| 3 | Age, dated material | Dated material | Zheng, Yan | |||
| 4 | Age, dated | Age dated | ka | Zheng, Yan | Age, 14C AMS | |
| 5 | Age, dated standard error | Age std e | ± | Zheng, Yan | Age, 14C AMS | |
| 6 | Calendar age | Cal age | ka BP | Zheng, Yan | Age, 14C calibrated | Calendar years is obtained ny correcting a reservoir age of 625 years, followes by the calculation using equations (1) (<9kyr) and (2) (>9 kyr) by Gardener et al. (1997) |
| 7 | Laboratory code/label | Lab label | Zheng, Yan | LLNL numbers |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
129 data points