CALYPSO sediment cores from the southernmost Chilean Continental Margin (52-54°S) for the reconstruction of the Pleistocene climate and glacial history at the southern margin of the Southern Westerlies

南半球风带内的南太平洋和智利南部大陆边缘是了解晚第四纪半球间气候变化的关键区域之一。该地区缺乏长期和高分辨率的记录，对气候和冰川历史的讨论仍有争议。因此，我们提出了两个地点的长Calypso沉积物岩心…法国的马里恩·迪弗雷纳号在智利大陆边缘的最南端……利用微古生物学、地球化学和矿物学指标研究晚第四纪气候变化和冰川史。将根据高分辨率沉积物超声数据和各种短沉积物岩心的沉积学记录选择最佳岩心位置。在正在进行的dfg项目框架内获得的……一个地点被提议用于安第斯内部峡湾系统，并应显示冰川波动、湖泊和海洋环境相互作用、陆地植物定植和生物生产力的高分辨率记录。计划在大陆斜坡上建立第二个站点，以提供与合恩角洋流系统内古海洋学变化的联系。在这里，我们将重点研究在同一地点和更近的峡湾地点记录的地表水变化及其与大陆环境变化的关系。

The south Pacific and Southern Chilean continental margin within the southern hemispheric wind belt represent one of the key areas for understanding of interhemispheric climate change during the Late Quaternary. For this area, long-term and high resolution records are scarce and the climate and glaciation history is still discussed controversially. Therefore, we propose two sites for long Calypso sediment cores... with the French RV MARION DUFRESNE at the southernmost Chilean continental margin... to investigate the Late Quaternary climate change and glaciation history by using micropaleontological, geochemical, and mineralogical proxies. Optimum core sites will be selected based on high resolution sediment echography data and sedimentological records from various short sediment cores... obtained within the framework of an ongoing DFG-project... One site is proposed for the intra-Andean fjord-system and should display a high resolution record of glacier fluctuations, inerplay of lacustrine and marine environments, terrestrial plant colonisation and bioproductivty. A second site at the continental slope is planned to provide the link to paleoceanographic changes within the Cape Horn current system. Here, we will focus on the reconstruction of surface water changes and their relation to continental environmental changes recorded at the same site and at the more proximal fjord site.