Elliot, Mary; Labeyrie, Laurent D; Bond, Gerard C; Cortijo, Elsa; Turon, Jean-Louis; Tisnerat, Nadine; Duplessy, Jean-Claude (1998): (Table 2) Age determination of Irminger Basin sediment cores [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.857864, Supplement to: Elliot, M et al. (1998): Millennial-scale iceberg discharges in the Irminger Basin during the Last Glacial Period: Relationship with the Heinrich events and environmental settings. Paleoceanography, 13(5), 433-446, https://doi.org/10.1029/98PA01792
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Abstract:
High-resolution records of coarse lithic content and oxygen isotope have been obtained in a piston core from the Irminger Basin. The last glacial period is characterized by numerous periods of increased iceberg discharges originating partly from Iceland and corresponding to millennial-scale instabilities of the coastal ice sheets and ice shelves in the Nordic area. A comparison with midlatitude sediment cores shows that ice-rafted material corresponding to the Heinrich events was deposited synchronously from 40° to 60°N. There are thus two oscillating systems: every 5-10 kyr massive iceberg armadas are released from large continental ice caps, whereas more frequent instabilities of the coastal ice sheets in the high latitude regions occur every 1.2-3.8 kyr. At the time of the Heinrich events the synchroneity of the response from all the northern hemisphere ice sheets attests the existence of strong interactions between the two systems.
Related to:
Cortijo, Elsa; Labeyrie, Laurent D; Vidal, Laurence; Vautravers, Maryline J; Chapman, Mark R; Duplessy, Jean-Claude; Elliot, Mary; Arnold, Maurice; Turon, Jean-Louis; Auffret, Gérard A (1997): Changes in sea surface hydrology associated with Heinrich event 4 in the North Atlantic Ocean between 40° and 60°N. Earth and Planetary Science Letters, 146(1-2), 26-45, https://doi.org/10.1016/S0012-821X(96)00217-8
Grousset, Francis E; Labeyrie, Laurent D; Sinko, J A; Cremer, Michel; Bond, Gerard C; Duprat, Josette M; Cortijo, Elsa; Huon, Sylvain (1993): Patterns of ice-rafted detritus in the glacial North Atlantic. Paleoceanography, 8(2), 175-192, https://doi.org/10.1029/92PA02923
Vidal, Laurence; Labeyrie, Laurent D; Cortijo, Elsa; Arnold, Maurice; Duplessy, Jean-Claude; Michel, Elisabeth; Becqué, S; van Weering, Tjeerd C E (1997): Evidence for changes in the North Atlantic Deep Water linked to meltwater surges during the Heinrich events. Earth and Planetary Science Letters, 146(1-2), 13-27, https://doi.org/10.1016/S0012-821X(96)00192-6
Coverage:
Median Latitude: 52.537783 * Median Longitude: -27.213717 * South-bound Latitude: 43.353333 * West-bound Longitude: -37.378333 * North-bound Latitude: 62.670000 * East-bound Longitude: -16.830000
Date/Time Start: 1966-10-18T00:00:00 * Date/Time End: 1990-01-01T00:00:00
Minimum DEPTH, sediment/rock: 0.000 m * Maximum DEPTH, sediment/rock: 8.600 m
Event(s):
94-609_Site * Latitude: 49.877800 * Longitude: -24.238200 * Date/Time: 1983-07-22T00:00:00 * Elevation: -3883.0 m * Penetration: 9.875 m * Recovery: 6.624 m * Location: North Atlantic/FLANK * Campaign: Leg94 * Basis: Glomar Challenger * Method/Device: Composite Core (COMPCORE) * Comment: 85 cores; 802.1 m cored; 38.4 m drilled; 82.6% recovery
SU90-08 * Latitude: 43.353333 * Longitude: -30.408333 * Date/Time: 1990-01-01T00:00:00 * Elevation: -3080.0 m * Recovery: 12.27 m * Location: North Atlantic * Campaign: PALEOCINAT * Basis: Le Suroît * Method/Device: Piston corer (PC)
SU90-24 * Latitude: 62.670000 * Longitude: -37.378333 * Date/Time: 1990-01-01T00:00:00 * Elevation: -2085.0 m * Recovery: 12.04 m * Location: North Atlantic * Campaign: PALEOCINAT * Basis: Le Suroît * Method/Device: Piston corer (PC)
Comment:
Data for core SU90-08 is from Grousset el al. (1993), Cortijo et al. (1997), and Vidal et al. (1997), and data from ODP site 609 and core V23-81 are from Bond and Lotti (1995).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Elliot, Mary | |||
| 2 | Latitude of event | Latitude | Elliot, Mary | |||
| 3 | Longitude of event | Longitude | Elliot, Mary | |||
| 4 | Elevation of event | Elevation | m | Elliot, Mary | ||
| 5 | DEPTH, sediment/rock | Depth sed | m | Elliot, Mary | Geocode | |
| 6 | Age, dated | Age dated | ka | Elliot, Mary | Age, 14C milieu/reservoir corrected (-400 yr) | Control points without standard deviation dated by correlation with sediment core SU90-24. |
| 7 | Age, dated standard deviation | Age dated std dev | ± | Elliot, Mary |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
184 data points