SGER: Kr-Ar-Xe Gravitational Separation Temperatures in GISP2 Ice: Correlations with Oxygen-18 and Borehole Measurements

SGER：GISP2 冰中的 Kr-Ar-Xe 重力分离温度：与 Oxygen-18 和钻孔测量的相关性

• 批准号: 9812077
• 负责人: Harmon Craig
• 金额: $ 2万
• 依托单位: University of California-San Diego Scripps Inst of Oceanography
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-05-01 至 2000-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9812077&HistoricalAwards=false
• 关键词: SGER; Kr; Ar; Xe; Gravitational

Abstract ATM-9812077 Craig, Harmon University of California, San Diego Title: Kr-Ar-Xe Gravitational Separation Temperatures in GISP2 Ice: Correlations with Oxygen-18 and Borehole Measurements This SGER award supports the measurement of Kr/Ar and Xe/Ar ratios in 20 samples of gases trapped in ice from the GISP2 ice-core, Greenland. This method derives paleotemperature from the gravitational enrichment of these noble gas ratios relative to the atmosphere. The proposed measurements will validate paleotemperature measurements derived from other methods. The project is aimed at developing, testing, and applying this new approach as an independent test of paleotemperature analysis. The method will extend the noble gas method to cover the full range of ice recovery (to 110,000 years) and will complete the Kr/Ar record to 40,000 years. If successful, this method should open the way for a variety of applications in paleoclimate inference and more secure model testing.

题目：GISP2冰中的Kr-Ar-Xe重力分离温度：与氧-18和钻孔测量的相关性。SGER奖支持测量格陵兰岛GISP2冰芯中冰中捕获的20个气体样本的Kr/Ar和Xe/Ar比值。这种方法从这些稀有气体相对于大气的重力富集比率中得出古温度。提出的测量方法将验证其他方法得到的古温度测量结果。该项目旨在开发、测试和应用这种新方法作为古温度分析的独立测试。该方法将扩展稀有气体法，以覆盖冰回收的全部范围（至11万年），并将完成4万年的Kr/Ar记录。如果成功，该方法将为古气候推断和更安全的模型测试的各种应用开辟道路。