Broecker, Wallace S; Andree, Michael; Wolfli, Willy; Oeschger, Hans; Bonani, Georges; Kennett, James P; Peteet, Dorothy M (1988): Age determination of sediment cores C23-81 and EN32-PC6. PANGAEA, https://doi.org/10.1594/PANGAEA.726960, Supplement to: Broecker, WS et al. (1988): The chronology of the last deglaciation: implications to the cause of the Younger Dryas event. Paleoceanography, 3(1), 1-19, https://doi.org/10.1029/PA003i001p00001
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It has long been recognized that the transition from the last glacial to the present interglacial was punctuated by a brief and intense return to cold conditions. This extraordinary event, referred to by European palynologists as the Younger Dryas, was centered in the northern Atlantic basin. Evidence is accumulating that it may have been initiated and terminated by changes in the mode of operation of the northern Atlantic Ocean. Further, it appears that these mode changes may have been triggered by diversions of glacial meltwater between the Mississippi River and the St. Lawrence River drainage systems. We report here Accelerator Mass Spectrometry (AMS) radiocarbon results on two strategically located deep-sea cores. One provides a chronology for surface water temperatures in the northern Atlantic and the other for the meltwater discharge from the Mississippi River. Our objective in obtaining these results was to strengthen our ability to correlate the air temperature history for the northern Atlantic basin with the meltwater history for the Laurentian ice sheet.
Median Latitude: 45.148889 * Median Longitude: -41.670000 * South-bound Latitude: 26.946667 * West-bound Longitude: -91.350000 * North-bound Latitude: 54.250000 * East-bound Longitude: -16.830000
Date/Time Start: 1966-10-18T00:00:00 * Date/Time End: 1966-10-18T00:00:00
EN32-PC6 * Latitude: 26.946667 * Longitude: -91.350000 * Elevation: -2280.0 m * Location: Gulf of Mexico * Campaign: ENXX * Basis: Endeavor * Device: Piston corer (PC)
V23-81 * Latitude: 54.250000 * Longitude: -16.830000 * Date/Time: 1966-10-18T00:00:00 * Elevation: -2393.0 m * Recovery: 9.78 m * Campaign: V23 * Basis: Vema * Device: Piston corer (PC)
Datasets listed in this publication series
- Broecker, WS; Andree, M; Wolfli, W et al. (1988): (Table 1) Age determinations on sediment core EN32-PC6. https://doi.org/10.1594/PANGAEA.52355
- Broecker, WS; Andree, M; Wolfli, W et al. (1988): (Table 1) Age determinations on sediment core V23-81. https://doi.org/10.1594/PANGAEA.52354
- Broecker, WS; Andree, M; Wolfli, W et al. (1988): (Table 2) Corrected ages of sediment core V23-81. https://doi.org/10.1594/PANGAEA.726959