RUI: Sediment Records of Environmental Changes at Lake Victoria, East Africa, during the Past Millenium with Decade-Scale Resolution

RUI：过去千年东非维多利亚湖环境变化的沉积物记录，具有十年尺度的分辨率

• 批准号: 0117170
• 负责人: Jay Stager
• 金额: $ 14.74万
• 依托单位: Paul Smith's College of Arts and Sciences
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-10-01 至 2004-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0117170&HistoricalAwards=false
• 关键词: RUI; Sediment; Records; Environmental; Changes

This award will enable researchers to develop high-resolution (~10 year interval) microfossil and geochemical records from sediment cores recently collected from the northern coastal waters of Lake Victoria in East Africa. Preliminary evidence indicates that the cores contain evidence of past lake level fluctuations due to climatic changes over the last millennium. From these sedimentary records, researchers hope to reconstruct the environmental history of Lake Victoria over the last 500 years, reconstruct an unprecedented high-resolution paleoclimatological record of East African droughts, gain insights into the role of century- to decade-scale climate cycles in the tropics, investigate how solar variability over time affects African climates, and examine the timing and nature of tropical climate responses to the Medieval Warm Period and Little Ice Age. As an RUI proposal, this award will provide a unique opportunity for undergraduate students to participate in high-quality research thereby gaining invaluable experience in practical aspects of scientific research.

该奖项将使研究人员能够从最近从东非维多利亚湖北部沿海水域收集的沉积物岩心中开发高分辨率（~10年间隔）微化石和地球化学记录。初步证据表明，这些岩心包含了过去一千年来由于气候变化而引起的湖泊水位波动的证据。从这些沉积记录中，研究人员希望重建维多利亚湖过去500年的环境历史，重建东非干旱的前所未有的高分辨率古气候记录，深入了解世纪到十年尺度的热带气候周期的作用，研究太阳变化如何随时间影响非洲气候，并检查热带气候对中世纪温暖期和小冰河期反应的时间和性质。作为RUI的提案，该奖项将为本科生提供参与高质量研究的独特机会，从而在科学研究的实践方面获得宝贵的经验。