Winn, Kyaw (1974): Temperatures, salinity, wind speed, grain sizes and foraminifera abundance in the Great Belt Channel, western Baltic Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.783418, Supplement to: Winn, K (1974): Present and postglacial sedimentation in the Great Belt Channel (Western Baltic). Meyniana, 26, 63-101, https://doi.org/10.2312/meyniana.1974.26.63
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Abstract:
The Great Belt, the largest inlet to the Baltic Sea, has a deep and well defined channel system. A distinct thermohaline layer at roughly 18 to 20 m of water depth separates the saltier and generally cooler deeper North Sea water from the brackish and warmer surface water. It is practically a current dominated area, with the strongest bottom currents due to prolonged west winds. The size and shape of the surface sediments and their grain size distributions show a close relationship with the prevailing hydrographical conditions. Southerly current marks predominate while northerly directions are confined to 10 to 14 m of water depth.
The degree of bioturbation is highest in the uppermost sedimentary cover where practically all original stratification has been destroyed. Various bioturbate structures have been identified with the fauna. Coiling ratios of Ammonia beccarii (Linnaeus) have been successfully applied for correlation in the postglacial sediments of the early Littorina Transgression. The succession shows that in the Boreal brackish water conditions were probably followed by peat and limnic sediments as the sea regressed. With the Littorina Transgression, the sea again entered the area and high sedimentation rates resulted in the major deposits of the Great Belt. At least for the last 4000 years, sedimentation rates had been very low. Present day currents sweep out the sediments, mainly to the southern marginal areas.
Coverage:
Median Latitude: 55.350525 * Median Longitude: 11.017712 * South-bound Latitude: 55.334000 * West-bound Longitude: 10.933000 * North-bound Latitude: 55.425000 * East-bound Longitude: 11.035000
Date/Time Start: 1972-11-14T00:00:00 * Date/Time End: 1972-11-15T00:00:00
Event(s):
GIK12514-1 * Latitude: 55.391000 * Longitude: 10.955000 * Date/Time: 1972-11-14T00:00:00 * Elevation: -26.0 m * Recovery: 0.25 m * Location: Great Belt, western Baltic Sea, off Denmark * Campaign: GIK-cruise * Method/Device: Box corer (BC) * Comment: coarse grained to gritty sands, pebbly. Decomposed bivalves.
GIK12519-1 * Latitude: 55.411000 * Longitude: 10.974000 * Date/Time: 1972-11-15T00:00:00 * Elevation: -25.0 m * Recovery: 0.4 m * Location: Great Belt, western Baltic Sea, off Denmark * Campaign: GIK-cruise * Method/Device: Box corer (BC) * Comment: dark to blackish grey fine grained sand with occassional bivalves, pectinaria and worm tubes (to 22 cm) underlain by grey clayslacial tills
GIK12520-1 * Latitude: 55.425000 * Longitude: 10.933000 * Date/Time: 1972-11-15T00:00:00 * Elevation: -30.0 m * Recovery: 0.4 m * Location: Great Belt, western Baltic Sea, off Denmark * Campaign: GIK-cruise * Method/Device: Box corer (BC) * Comment: dark grey fine grained sand, occassional shells and dropstones.
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets
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Datasets listed in this publication series
- Winn, K (1974): (Table Ib) Average air temperatures, wind speed and wind direction in the Great Belt Channel. https://doi.org/10.1594/PANGAEA.783414
- Winn, K (1974): (Table VII) Benthic foraminifera abundance in the Great Belt Channel. https://doi.org/10.1594/PANGAEA.783416
- Winn, K (1974): (Table IV) Vertical grain size variations in the Great Belt Channel. https://doi.org/10.1594/PANGAEA.783417
- Winn, K (1974): (Table Ia) Average salinity and water temperatures in the Great Belt Channel. https://doi.org/10.1594/PANGAEA.783413