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Kandiano, Evgenia S; Bauch, Henning A; Fahl, Kirsten; Helmke, Jan Peter; Röhl, Ursula; Pérez-Folgado, Marta; Cacho, Isabel (2012): Sea surface temperature and stable isotopes from 9 cores of the Northeastern Atlantic [dataset publication series]. PANGAEA,, Supplement to: Kandiano, ES et al. (2012): The meridional temperature gradient in the eastern North Atlantic during MIS 11 and its link to the ocean-atmosphere system. Palaeogeography, Palaeoclimatology, Palaeoecology, 333-334, 24-39,

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Temporal and spatial patterns in eastern North Atlantic sea-surface temperatures (SST) were reconstructed for marine isotope stage (MIS) 11c using a submeridional transect of five sediment cores. The SST reconstructions are based on planktic foraminiferal abundances and alkenone indices, and are supported by benthic and planktic stable isotope measurements, as well as by ice-rafted debris content in polar and middle latitudes. Additionally, the larger-scale dynamics of the precipitation regime over northern Africa and the western Mediterranean region was evaluated from iron concentrations in marine sediments off NW Africa and planktic d13C in combination with analysis of planktic foraminiferal abundances down to the species level in the Mediterranean Sea. Compared to the modern situation, it is revealed that during entire MIS 11c sensu stricto (ss), i.e., between 420 and 398 ka according to our age models, a cold SST anomaly in the Nordic seas co-existed with a warm SST anomaly in the middle latitudes and the subtropics, resulting in steeper meridional SST gradients than during the Holocene. Such a SST pattern correlates well with a prevalence of a negative mode of the modern North Atlantic Oscillation. We suggest that our scenario might partly explain the longer duration of wet conditions in the northern Africa during MIS 11c compared to the Holocene.
Median Latitude: 48.295126 * Median Longitude: -8.248527 * South-bound Latitude: 23.998950 * West-bound Longitude: -20.291660 * North-bound Latitude: 69.371800 * East-bound Longitude: 4.509883
Date/Time Start: 1984-09-03T00:00:00 * Date/Time End: 1999-08-01T00:00:00
159-958 * Latitude: 23.998950 * Longitude: -20.000833 * Date/Time Start: 1994-12-29T00:00:00 * Date/Time End: 1995-01-01T00:00:00 * Elevation: -3762.5 m * Penetration: 141.7 m * Recovery: 140.7 m * Location: Canarias Sea * Campaign: Leg159T * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 15 cores; 141.7 m cored; 0 m drilled; 99.3% recovery
161-975 * Latitude: 38.896633 * Longitude: 4.509883 * Date/Time Start: 1995-05-14T00:00:00 * Date/Time End: 1995-08-19T00:00:00 * Elevation: -2415.8 m * Penetration: 790.2 m * Recovery: 773.6 m * Location: Western Basin * Campaign: Leg161 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 85 cores; 790.2 m cored; 0 m drilled; 97.9% recovery
GIK23063-1 * Latitude: 68.750000 * Longitude: 0.000000 * Date/Time: 1986-07-08T00:00:00 * Elevation: -2296.0 m * Location: Norwegian Sea * Campaign: M2/2 * Basis: Meteor (1986) * Method/Device: Giant box corer (GKG)
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