Integrating terrestrial and marine sediment records from East Antarctica to explore late Pleistocene and Holocene ice sheet instability
整合东南极洲的陆地和海洋沉积物记录,探索晚更新世和全新世冰盖的不稳定性
基本信息
- 批准号:463250038
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Infrastructure Priority Programmes
- 财政年份:
- 资助国家:德国
- 起止时间:
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Within the proposed project we want to study ice-ocean-climate interactions that potentially affected the stability of the East Antarctic Ice sheet from the late Pleistocene until present day. We select a multi-proxy approach to integrate evidence from terrestrial, lacustrine and marine sedimentary archives. Additionally, mumiyo deposits are used as archives to close the gap between the ice-proximal lacustrine and terrestrial and ice-distal open-marine archives. Three target regions were defined to exemplarily study different processes of ice-ocean-climate interaction: Central Dronning Maud Land and the adjacent ocean, Mawson Coast, part of the Mac. Robertson Land, and Thala Hills, an un-glaciated coastal site at Prince Olav Coast, Enderby Land.Reconstructions in the respective regions will include the temporal development of post-glacial ice retreat and the prevailing climatic conditions. Furthermore, biomarker and stable isotope analyses on marine sediments and mumiyo will be used to study the temporal variability of sea ice extent and polynya activity. Both parameters influence energy and gas exchange between atmosphere and ocean and ocean circulation, which interact with the ice sheet and ultimately affect ice sheet stability.
在拟议的项目中,我们希望研究从晚更新世到现在可能影响南极东部冰盖稳定性的冰-海洋-气候相互作用。我们选择了一种多代理方法来整合陆地、湖泊和海洋沉积档案的证据。此外,mumiyo沉积物被用作档案,填补了冰近端湖相与陆相和冰远端开放海相档案之间的空白。三个目标区域被定义为范例研究冰-海洋-气候相互作用的不同过程:中央Dronning Maud Land和邻近的海洋,Mawson Coast, Mac. Robertson Land的一部分,以及Thala Hills, Enderby Land王子奥拉夫海岸的一个未被冰川覆盖的海岸站点。在各自地区的重建将包括冰川后退缩的时间发展和当时的气候条件。此外,将利用海洋沉积物和沉积物的生物标志物和稳定同位素分析来研究海冰范围和冰湖活动的时间变化。这两个参数都影响大气与海洋之间的能量和气体交换以及海洋环流,它们与冰盖相互作用,最终影响冰盖的稳定性。
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. Sonja Berg其他文献
Dr. Sonja Berg的其他文献
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{{ truncateString('Dr. Sonja Berg', 18)}}的其他基金
Marine ecosystem response to late Pleistocene climate conditions- evidence from snow petrel stomach oil deposits ("mumiyo") in East Antarctica
海洋生态系统对更新世晚期气候条件的响应——来自东南极洲雪海燕胃油沉积物(“mumiyo”)的证据
- 批准号:
424214250 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Snow petrel stomach oil deposits (Antarctic mumiyo) as archives for the environmental history of terrestrial East Antarctica
雪海燕胃油沉积物(南极 mumiyo)作为东南极洲陆地环境历史的档案
- 批准号:
314910053 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Compound-specific radiocarbon dating - approaching the problems of dating Antarctic sediments
化合物特异性放射性碳测年——解决南极沉积物测年问题
- 批准号:
257051270 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Linking Paleo-Observations with Climate Models in order to understand Holocene environmental variability of coastal East Antartica (HoloAnt)
将古观测与气候模型联系起来,以了解东南极洲沿海的全新世环境变化(HoloAnt)
- 批准号:
197668488 - 财政年份:2011
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
Holocene environmental conditions in the coastal ocean off East Antarctica - evidence from the paleo-diet of snow petrels
南极洲东部沿海海洋的全新世环境条件——来自雪海燕古饮食的证据
- 批准号:
522373452 - 财政年份:
- 资助金额:
-- - 项目类别:
Infrastructure Priority Programmes
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