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Zonneveld, Karin A F; Höll, Christine; Janofske, Dorothea; Karwath, Britta; Kerntopf, Beate; Rühlemann, Carsten; Willems, Helmut (1999): Calcareous dinoflagellate cysts analysis of sediment cores from the Equatorial South Atlantic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.726791, Supplement to: Zonneveld, KAF et al. (1999): Calcareous Dinoflagellate Cysts as Palaeo-Environmental Tools. In: Fischer, G & Wefer, G (eds.), Use of Proxies in Paleoceanography - Examples from the South Atlantic, Springer, Berlin, Heidelberg, 145-164

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Abstract:
An overview is presented of the current state of knowledge on paleo-ecological aspects of calcareous dinoflagellate resting cysts. Apart from literature-based information, a discussion of new results is also provided from Equatorial Atlantic surface plankton samples, surface sediment samples and Late Quaternary sediments from two gravity cores. With the aid of redundancy analysis statistics, variations in the calcareous cyst content of both cores are correlated to variations in total organic carbon (TOC). On a global scale, the calcareous cyst distribution in bottom sediments varies with latitude and inshore-offshore gradients. In the Equatorial Atlantic Ocean, enhanced calcareous cyst production can be observed in regions and time intervals with stratified, oligotrophic conditions in the upper water masses.
Project(s):
South Atlantic in Late Quaternary: Reconstruction of Budget and Currents (SFB261)
Coverage:
Median Latitude: 9.197167 * Median Longitude: -17.083444 * South-bound Latitude: -1.130000 * West-bound Longitude: -24.000000 * North-bound Latitude: 29.090000 * East-bound Longitude: -11.273333
Date/Time Start: 1991-11-27T00:00:00 * Date/Time End: 1991-12-04T00:00:00
Event(s):
GeoB1602-7 * Latitude: 21.181667 * Longitude: -20.711667 * Date/Time: 1991-11-27T00:00:00 * Elevation: -4098.0 m * Recovery: 0.32 m * Location: off Cape Blanc * Campaign: M20/1 * Basis: Meteor (1986) * Device: MultiCorer (MUC) * Comment: klein: 33, 34, 33, 32 cm;
GeoB1606-7 * Latitude: 3.065000 * Longitude: -11.908333 * Date/Time: 1991-12-03T00:00:00 * Elevation: -4451.0 m * Recovery: 0.35 m * Location: Guinea Basin * Campaign: M20/1 * Basis: Meteor (1986) * Device: MultiCorer (MUC) * Comment: including good fluffy layer
GeoB1607-8 * Latitude: 1.803333 * Longitude: -11.273333 * Date/Time: 1991-12-04T00:00:00 * Elevation: -4318.0 m * Recovery: 0.35 m * Campaign: M20/1 * Basis: Meteor (1986) * Device: MultiCorer (MUC) * Comment: 1 gr. Rohr: 36cm; 3 kl.: (3*35cm)
Size:
2 datasets

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