Grain-size, lithic grains, foraminifera-derived and dinocyst-derived data of sediment core MD99-2281 ...

• Main Authors: Wary, Mélanie, Eynaud, Frédérique, Sabine, Christopher L, Zaragosi, Sebastien, Rossignol, Pascale E, Malaizé, Bruno, Palis, Edouard, Zumaque, Jena, Caulle, Clémence, Penaud, Aurélie, Michel, Elisabeth, Charlier, Karine
• Format: Dataset
• Language: English
• Published: PANGAEA 2015
• Subjects: DEPTH, sediment/rock; AGE; Percentile 50; Percentile 10; Percentile 90; Grain size, mean; Ratio; Lithic grains; Foraminifera, benthic; Foraminifera, planktic; Neogloboquadrina pachyderma sinistral; Neogloboquadrina pachyderma sinistral, δ18O; Sub-surface temperature, winter; Sub-surface temperature, summer; Dinoflagellate cyst per volume; Sea surface temperature, winter; Sea surface salinity, winter; Sea surface temperature, summer; Sea surface salinity, summer; Calypso Corer; Grain size, Mastersizer S, Malvern Instrument Inc.; Counting >150 µm fraction; Mass spectrometer Optima Micromass; Modern analog technique MAT; Counting <150 µm; MD114; Marion Dufresne 1995; Dansgaard-Oeschger events; Greenland; Neogloboquadrina pachyderma
• Online Access: https://dx.doi.org/10.1594/pangaea.857750; https://doi.pangaea.de/10.1594/PANGAEA.857750

The last glacial period was punctuated by abrupt climatic events with extrema known as Heinrich and Dansgaard-Oeschger events. These millennial events have been the subject of many paleoreconstructions and model experiments in the past decades, but yet the hydrological processes involved remain elusive. In the present work, high-resolution analyses were conducted on the 12-42 ka BP section of core MD99-2281 retrieved southwest of the Faeroe Islands, and combined with analyses conducted in two previous studies (Zumaque et al., 2012; Caulle et al., 2013). Such a multiproxy approach, coupling micropaleontological, geochemical and sedimentological analyses, allows us to track surface, subsurface, and deep hydrological processes occurring during these rapid climatic changes. Records indicate that the coldest episodes of the studied period (Greenland stadials and Heinrich stadials) were characterized by a strong stratification of surface waters. This surface stratification seems to have played a key role in the ... : Supplement to: Wary, Mélanie; Eynaud, Frédérique; Sabine, Christopher L; Zaragosi, Sebastien; Rossignol, Pascale E; Malaizé, Bruno; Palis, Edouard; Zumaque, Jena; Caulle, Clémence; Penaud, Aurélie; Michel, Elisabeth; Charlier, Karine (2015): Stratification of surface waters during the last glacial millennial climatic events: a key factor in subsurface and deep-water mass dynamics. Climate of the Past, 11(11), 1507-1525 ...