Rapid Paleoenvironmental Changes in the McMurdo Sound Region Recorded in Sediments: High-Resolution XRF-Scanning, ICP-MS analysis and physical-properties logging at ANDRILL Site MIS (IPY)

沉积物中记录的麦克默多海峡地区快速古环境变化：ANDRILL 现场 MIS 的高分辨率 XRF 扫描、ICP-MS 分析和物理特性记录 (IPY)

• 批准号: 27767506
• 负责人: Professor Dr. Hilmar von Eynatten
• 金额: --
• 依托单位: Alfred-Wegener-Institut (AWI) Helmholtz-Zentrum für Polar- und Meeresforschung
• 依托单位国家: 德国
• 项目类别: Infrastructure Priority Programmes
• 财政年份: 2006
• 资助国家: 德国
• 起止时间: 2005-12-31 至 2009-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/27767506?language=en
• 关键词: Rapid; Paleoenvironmental; Changes; McMurdo; Sound

During the ANDRILL-MIS project, for the first time, a 1000 m thick Plio-Pleistocene sediment sequence will be drilled from underneath the Ross McMurdo Ice Shelf (Antarctica). The variations of the ice shelf are controlled by the natural dynamic of the Antarctic ice sheets, by sea level fluctuations and by direct response of the ice shelf to climate changes. Geological evidence of ice shelf variations in the past is proposed being documented in different sediment facies in a 900 m deep moat basin under the ice. On the MIS core we propose high-resolution measurements of elemental concentrations and sediment physical properties using an XRF-core scanner and a multi-sensor core logger, respectively. In combination with geochemical and sediment-component investigations on discrete samples we will provide a calibrated high-resolution multivariable data-set for complex interpretations of paleoenvironmental changes from full glacial to open marine conditions during super-warm interglacials. Signals generated during sedimentation should be discriminated from provenance signals. Our major goal is a better understanding of the long-term evolution and stability of the Ross Ice Shelf as important part of the West Antarctic Ice Sheet for assessing future impacts of Antarctic ice masses on sea level and global oceanic circulation in times of rapid global climate change.

在Andrill-MIS项目中，首次将从Ross McMurdo Ice Beshelf（Antarctica）下面钻出1000 m厚的PlioSepeene沉积物序列。冰架的变化受南极冰盖的自然动态，海平面波动以及冰架对气候变化的直接响应的控制。过去提出了过去在冰下900 m深的护城河盆地中的不同沉积物相的冰架变化的地质证据。在MIS核心上，我们分别提出了使用XRF核心扫描仪和多传感器核心记录器对元素浓度和沉积物物理性质进行高分辨率测量。结合对离散样品的地球化学和沉积物组件研究，我们将提供经过校准的高分辨率多变量数据集，以复杂解释从全冰川到超级冰川冰期期间，从全冰川到开放的海洋条件。沉积过程中产生的信号应与出处信号区分开。我们的主要目标是更好地理解罗斯冰架的长期演变和稳定性，这是西南极冰盖的重要组成部分，以评估全球迅速全球气候变化时期南极冰块对海平面和全球海洋循环的未来影响。

项目成果

Porosity and density of the AND-1B sediment core, McMurdo Sound region, Antarctica: Field consolidation enhanced by grounded ice

南极洲麦克默多海峡地区 AND-1B 沉积物岩心的孔隙度和密度：接地冰增强了场固结

• DOI: 10.1130/ges00704.1
• 发表时间: 2013
• 期刊: Geosphere
• 影响因子: 2.5
• 作者: Niessen F;Gebhardt AC;Kuhn G;Magens D;Monien D
• 通讯作者: Monien D

Geochemical provenance analysis of fine-grained sediment revealing Late Miocene to recent Paleo-Environmental changes in the Western Ross Sea, Antarctica

• DOI: 10.1016/j.gloplacha.2010.05.001
• 发表时间: 2012-10
• 期刊: Global and Planetary Change
• 影响因子: 3.9
• 作者: Donata Monien;G. Kuhn;H. Eynatten;F. Talarico

Chemostratigraphy of the early Pliocene diatomite interval from MIS AND-1B core (Antarctica): Palaeoenvironment implications

MIS AND-1B 岩心（南极洲）上新世早期硅藻土层段的化学地层学：古环境影响

• DOI: 10.1016/j.gloplacha.2013.01.001
• 发表时间: 2013
• 期刊: Global and Planetary Change
• 影响因子: 3.9
• 作者: Scopelliti G;Bellanca A;Monien D;Kuhn G
• 通讯作者: Kuhn G

Lithostratigraphy from downhole logs in Hole AND-1B, Antarctica

南极洲 AND-1B 井下测井的岩石地层学

• DOI: 10.1130/ges00655.1
• 发表时间: 2012
• 期刊: Geosphere
• 影响因子: 2.5
• 作者: Williams T;Morin RH;Jarrard RD;Jackolski CL;Henrys SA;Niessen F;Magens D;Kuhn G;Monien D;Powell RD
• 通讯作者: Powell RD

The influence of siliciclastic input on Chaetoceros abundance in an early Pliocene segment of the ANDRILL AND-1B drill core

硅质碎屑输入对 ANDRILL AND-1B 钻芯上新世早期部分角毛藻丰度的影响

• DOI: 10.1016/j.palaeo.2012.05.027
• 发表时间: 2012
• 期刊: Palaeogeography, Palaeoclimatology, Palaeoecology
• 作者: Konfirst MA;Kuhn G;Monien D;Scherer RP
• 通讯作者: Scherer RP