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#83 - Dr. Elizabeth K. Thomas

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Manage episode 410634045 series 3205434
内容由Hakim El Fadil提供。所有播客内容(包括剧集、图形和播客描述)均由 Hakim El Fadil 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal

In this episode, Rhea and I are joined by Dr. Elizabeth K. Thomas, Associate Professor of Geology at the University at Buffalo. Dr. Thomas employs advanced scientific methods to uncover ancient climate secrets. She analyzes lipid biomarkers found in sediment cores, which are cylindrical samples drilled from the Earth's surface containing layers of accumulated sediment. These biomarkers act as chemical fingerprints, revealing signs about past environmental conditions, including variations in precipitation patterns. Additionally, she examines isotopic signatures within these sediment cores. Isotopes, different forms of an element, with varying numbers of neutrons, provide insights into past climate conditions. By integrating these techniques, Dr. Thomas paints a detailed picture of how Earth's climate has evolved and influenced water distribution over millennia. Join us as we explore the fascinating intersection of geology, climate science, and water management.

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Manage episode 410634045 series 3205434
内容由Hakim El Fadil提供。所有播客内容(包括剧集、图形和播客描述)均由 Hakim El Fadil 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal

In this episode, Rhea and I are joined by Dr. Elizabeth K. Thomas, Associate Professor of Geology at the University at Buffalo. Dr. Thomas employs advanced scientific methods to uncover ancient climate secrets. She analyzes lipid biomarkers found in sediment cores, which are cylindrical samples drilled from the Earth's surface containing layers of accumulated sediment. These biomarkers act as chemical fingerprints, revealing signs about past environmental conditions, including variations in precipitation patterns. Additionally, she examines isotopic signatures within these sediment cores. Isotopes, different forms of an element, with varying numbers of neutrons, provide insights into past climate conditions. By integrating these techniques, Dr. Thomas paints a detailed picture of how Earth's climate has evolved and influenced water distribution over millennia. Join us as we explore the fascinating intersection of geology, climate science, and water management.

  continue reading

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