Reconstructing paleoclimatic/paleoenvironmental evolution and volcanic ash dispersal during the late Pleistocene in the Western Tropical Pacific using lacustrine terrestrial records from the Malili Lake System, Sulawesi, Indonesia

利用印度尼西亚苏拉威西岛马利利湖系统的湖泊陆地记录重建热带西部太平洋更新世晚期的古气候/古环境演化和火山灰扩散

• 批准号: 189951636
• 负责人: Professor Dr. Hendrik Vogel
• 金额: --
• 依托单位: Institut für Geologie
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2010
• 资助国家: 德国
• 起止时间: 2009-12-31 至 2010-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/189951636?language=en
• 关键词: Reconstructing; paleoclimatic; paleoenvironmental; evolution; volcanic

Given their approximate age of 1 – 4 million years Lakes Matano and Towuti, located on the Island of Sulawesi, Indonesia, comprise valuable archives of past climatic and environmental change as well as volcanic activity in a terrestrial environment of the Western Tropical Pacific. This proposal seeks funds for the recovery of up to 30 m long sediment sequences from these lakes in order to evaluate and investigate late Pleistocene and Holocene climate and volcanic history in central Indonesia. Our proposed research builds upon previous seismic reflection and field surveys conducted under the auspices of our American and Indonesian collaborators, which evidenced that both lakes contain acoustically highly stratified sediment accumulating at rates ideal for late Pleistocene/Holocene paleo studies. Sediment cores will be shipped to the University of Cologne, Germany, for analyses by German, American and Indonesian collaborators. This work will provide fundamentally important new insights into the history of Indonesian convection and hydrology and its relationships to global climate changes, as well as new information regarding the dispersal of ash from nearby volcanoes, age, origin, and past changes in the Malili Lakes, a unique and fragile lake ecosystem.

位于印度尼西亚苏拉威西岛的马塔诺湖和托武蒂湖大约有100万至400万年的历史，包含了过去气候和环境变化以及热带西太平洋陆地环境中火山活动的宝贵档案。该提案寻求资金，用于恢复这些湖泊长达30米的沉积物序列，以评估和调查印度尼西亚中部晚更新世和全新世的气候和火山历史。我们提出的研究建立在以前的地震反射和实地调查的主持下，我们的美国和印度尼西亚的合作者，这表明，这两个湖泊含有声学高度分层沉积物积累的速率理想的晚更新世/全新世古研究。沉积物岩心将运往德国的科隆大学，由德国、美国和印度尼西亚的合作者进行分析。这项工作将为印度尼西亚对流和水文学的历史及其与全球气候变化的关系提供至关重要的新见解，以及关于附近火山灰的散布、年龄、起源和马利利湖（一个独特而脆弱的湖泊生态系统）过去变化的新信息。