globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2017.06.021
论文题名:
Multiple generations of buried cold-water coral mounds since the Early-Middle Pleistocene Transition in the Atlantic Moroccan Coral Province, southern Gulf of Cádiz
作者: Vandorpe T.; Wienberg C.; Hebbeln D.; Van den Berghe M.; Gaide S.; Wintersteller P.; Van Rooij D.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
语种: 英语
英文关键词: Bottom currents ; Early-Middle Pleistocene transition ; Glacial ; Sediment input
英文摘要: Cold-water coral mounds are common seabed features in the North Atlantic Ocean, where they are mainly restricted to water depths between 200m and 1000m. Coral mounds consist of coral fragments and hemipelagic sediments, reflecting an often complex history of mound aggradation and erosion linked to coral vitality. In the southern Gulf of Cádiz along the Moroccan margin, a large field (extension: 1800km2) of 781 comparatively small buried and exposed mounds (average height: about 20m) has recently been discovered. The mounds in the so-called Atlantic Moroccan Coral Province (AMCP) initiated on at least ten different horizons, all of them most likely related to glacial periods since the Early-Middle Pleistocene Transition. A strong link between the intensification of bottom currents and the number of coral mounds rooting on each of the identified horizons is assumed. Also a shift of the average water depth at which coral mounds initiated towards deeper regions and an accompanied increase in mound height is observed between MIS 14 and MIS 12. Finally, reduced or low sediment input is regarded as one of the main factors causing the rather small size of coral mounds in the AMCP in comparison to other Atlantic mound provinces. © 2016 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68653
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作者单位: Ghent University, Department of Geology, Renard Centre of Marine Geology, Campus Sterre S8, Krijgslaan 281, 9000 Ghent, Belgium; VLIZ - Flanders Marine Institute, Wandelaarkaai 7, 8400 Oostende, Belgium; MARUM - Center for Marine Environmental Sciences, Bremen University, Leobener Strasse, 28359 Bremen, Germany

Recommended Citation:
Vandorpe T.,Wienberg C.,Hebbeln D.,et al. Multiple generations of buried cold-water coral mounds since the Early-Middle Pleistocene Transition in the Atlantic Moroccan Coral Province, southern Gulf of Cádiz[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01
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