Paterne, Martine; Kallel, Nejib; Labeyrie, Laurent D; Vautravers, Maryline J; Duplessy, Jean-Claude; Rossignol-Strick, Martine; Cortijo, Elsa; Arnold, Maurice; Fontugne, Michel R (1999): Age determination and Heinrich Events in sediment cores SU90-08 and KET80-03 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.856684, Supplement to: Paterne, M et al. (1999): Hydrological relationship between the North Atlantic Ocean and the Mediterranean Sea during the past 15-75 kyr. Paleoceanography, 14(5), 626-638, https://doi.org/10.1029/1998PA900022
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Abstract:
The Mediterranean Sea hydrology at the time of the Heinrich formation in the North Atlantic Ocean was analyzed by comparing sea surface temperatures (SSTs) and oxygen isotope composition of seawater (dw) changes during the past 75 kyr in two marine cores. These were compared to the palynological variations derived in the Mediterranean Sea core. During the last glacial the two oceanic SST records show similar and synchronous patterns, with several long-term cooling periods, ending by abrupt SST increases. At the time of the Heinrich events, cold SSTs and low salinity prevailed in the Mediterranean Sea. The freshwater budget was similar to the modern one, permitting the presence of a mixed forest on the Mediterranean borderlands. The post-Heinrich periods are marked by a freshwater budget decrease, limiting oak and fir tree growth in the Mediterranean region. Increase of precipitation or reduction of evaporation is observed before the Heinrich episode, and is associated with a well-developed mixed Mediterranean forest.
Coverage:
Median Latitude: 40.921667 * Median Longitude: -8.054167 * South-bound Latitude: 38.490000 * West-bound Longitude: -30.408333 * North-bound Latitude: 43.353333 * East-bound Longitude: 14.300000
Date/Time Start: 1980-01-01T00:00:00 * Date/Time End: 1990-01-01T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Paterne, M; Kallel, N; Labeyrie, LD et al. (1999): (Table 1) Age determination of sediment cores SU90-08 and KET80-03. https://doi.org/10.1594/PANGAEA.856676
- Paterne, M; Kallel, N; Labeyrie, LD et al. (1999): (Table 2) AMS 14C and calendar ages of the onset and end of Heinrich Events in sediment cores SU90-08 and KET80-03. https://doi.org/10.1594/PANGAEA.856683