Last Interglacial Ocean of the Nordic Seas
北欧海洋的最后一个间冰期洋
基本信息
- 批准号:5442670
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2005
- 资助国家:德国
- 起止时间:2004-12-31 至 2009-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
As inferred from previous paleoceanographic research in the northeast Atlantic, influence of warm, subtropical surface water at mid-latitudes was higher during the peak of the last interglaciation (MIS 5e) than in the Holocene. However, such finding is somewhat contradictory to data from further north in the Nodic seas, where lower sea furface temperatures and a larger seasonal sea-ice over probably existed during MIS 5e. The planned study tries to resolve this controversy by unravelling surface ocean properties as induced by overall atmospheric-oceanic forcing during MIS 5e and the ensuing time of glacial intensification (MIS 5d-a). Work will focus on reconstructiong upper water column properties in the eastern Nordic seas, i.e., vertical and spatial temperature-salinity gradients. A profound micropaleontological approach using dinocycts and refined planktic foraminiferal diversities will be applied in combination with geochemical and sedimentary proxies, such as records of multispecies stable O/C isotopes and ice-rafted debris.
根据之前对东北大西洋的古海洋学研究推断,末次间冰期(MIS 5e)高峰期中纬度地区温暖的亚热带表层水的影响比全新世更大。然而,这一发现与北欧海洋更北部的数据有些矛盾,在 MIS 5e 期间,北欧海洋可能存在较低的海面温度和较大的季节性海冰。计划中的研究试图通过阐明 MIS 5e 期间和随后的冰川强化时期 (MIS 5d-a) 期间总体大气-海洋强迫引起的表面海洋特性来解决这一争议。工作重点是重建北欧东部海域的上层水柱特性,即垂直和空间温度-盐度梯度。利用甲虫和精炼的浮游有孔虫多样性的深刻的微古生物学方法将与地球化学和沉积代理相结合,例如多物种稳定 O/C 同位素和冰筏碎片的记录。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Dr. Henning A. Bauch其他文献
Dr. Henning A. Bauch的其他文献
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{{ truncateString('Dr. Henning A. Bauch', 18)}}的其他基金
Climatic teleconnections between the tropical and polar North Atlantic during the last interglacial period
末次间冰期热带和极地北大西洋之间的气候遥相关
- 批准号:
310040039 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Research Grants
Past Interglacial Temperature Regimes (PAINTER): Marine isotope stages 11 in the NE-Atlantic sector
过去的间冰期温度状况 (PAINTER):大西洋东北部区域的海洋同位素阶段 11
- 批准号:
32972392 - 财政年份:2006
- 资助金额:
-- - 项目类别:
Research Grants
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