Geomagnetic Reversal Constraints on the Properties of, and Processes Acting in, the Earth's Deep Interior

地磁反转对地球深层内部特性和作用过程的限制

• 批准号: 9117323
• 负责人: Ronald Merrill
• 金额: $ 19.5万
• 依托单位: University of Washington
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-03-01 至 1995-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9117323&HistoricalAwards=false
• 关键词: Geomagnetic; Reversal; Constraints; Properties; Processes

The PI will continue to develop new methods to analyze the statistical structure of the magnetic field reversal chronology, in particular, to relax the constraint applied to all previous statistical analyses of reversal chronologies that reversals occur instantaneously. One of the main reasons for doing this is to examine the core's stability properties in the time intervals that include polarity transitions. A secondary goal of these models is to help identify the most unreliable sections of the magnetic reversal chronology. An additional goal is to examine polarity transition data and mean field data to determine if there are statistically significant departures of the Earth's magnetic field from axial symmetry. Emphasis will be placed on combining all the above data analyses with dynamo (and related) theory.

PI将继续开发新的方法来分析 磁场反转年表的统计结构， 特别是，放宽对所有以前的限制， 逆转发生的逆转年表的统计分析 瞬间。 这样做的主要原因之一是 检查核心的稳定性属性的时间间隔， 包括极性转变。 这些模型的第二个目标是 以帮助确定磁场中最不可靠的部分， 反转年表 另一个目标是检查极性 转换数据和平均场数据，以确定是否存在 地球磁场在统计学上的显著偏离 从轴对称性。 重点将放在结合所有的 上述数据分析与发电机（及相关）理论。