Data Description

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Citation:
Hillenbrand, C-D et al. (2002): Sediment record of the last 1.8 Ma in the Amundsen Sea. doi:10.1594/PANGAEA.711660,
Supplement to: Hillenbrand, Claus-Dieter; Fütterer, Dieter K; Grobe, Hannes; Frederichs, Thomas (2002): No evidence for a Pleistocene collapse of the West Antarctic Ice Sheet from continental margin sediments recovered in the Amundsen Sea. Geo-Marine Letters, 22(2), 51-59, doi:10.1007/s00367-002-0097-7
Abstract:
Records of glaciomarine deposition recovered from the West Antarctic continental margin in the Amundsen Sea allow the reconstruction of the behaviour of the West Antarctic Ice Sheet (WAIS) in response to the natural climatic changes of the last 1.8 million years. Contents of gravel-sized and lithogenic components represent the input and redeposition of glaciogenic debris, whereas variations in the proportions of the calcareous sediment fraction reflect palaeoproductivity changes. All proxies, which are regarded as sensitive to a WAIS collapse, changed markedly during the global climatic cycles, but do not confirm a complete disintegration of the WAIS during the Pleistocene.
Related to:
Hillenbrand, Claus-Dieter (2000): Glazialmarine Sedimentationsentwicklung am westantarktischen Kontinentalrand im Amundsen- und Bellingshausenmeer - Hinweise auf Paläoumweltveränderungen während der quartären Klimazyklen (Glaciomarine sedimentation on the continental margins of the Amundsen and Bellingshausen Seas, West Antarctica - indications for paleoenvironmental changes during the Quaternary climatic cycles). Berichte zur Polarforschung = Reports on Polar Research, 346, 182 pp, doi:10.2312/BzP_0346_2000 *
Project(s):
Coverage:
Median Latitude: -70.344694 * Median Longitude: -113.037840 * South-bound Latitude: -73.401667 * West-bound Longitude: -121.948333 * North-bound Latitude: -64.184000 * East-bound Longitude: -64.114333
Date/Time Start: 1987-11-28T12:40:00 * Date/Time End: 1994-03-08T10:47:00
Event(s):
PS1554-1 (PS12/185) * * Latitude: -65.208667 * Longitude: -64.114333 * Date/Time: 1987-11-28T12:40:00 * Elevation: -400.0 m * Recovery: 0.41 m * Penetration: 0.41 m * Location: Argentine Islands * * Campaign: ANT-VI/2 (PS12) * * Basis: Polarstern * * Device: Giant box corer *
PS1555-1 (PS12/186) * * Latitude: -65.751167 * Longitude: -69.049333 * Date/Time: 1987-11-30T12:43:00 * Elevation: -218.0 m * Recovery: 0.14 m * Penetration: 0.14 m * Location: Adelaide Island * * Campaign: ANT-VI/2 (PS12) * * Basis: Polarstern * * Device: Giant box corer *
PS1557-1 (PS12/193) * * Latitude: -65.357667 * Longitude: -66.457500 * Date/Time: 1987-12-02T21:27:00 * Elevation: -458.0 m * Recovery: 0.46 m * Penetration: 0.46 m * Location: Anvers Island * * Campaign: ANT-VI/2 (PS12) * * Basis: Polarstern * * Device: Giant box corer *
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