Seismological Structure of the Inner Core and Core-Mantle Boundary: Implications for Inner-Core Rotation and Geomagnetism

内核和核幔边界的地震结构：对内核旋转和地磁的影响

• 批准号: 9706171
• 负责人: Kenneth Creager
• 金额: $ 15.8万
• 依托单位: University of Washington
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-07-15 至 2001-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9706171&HistoricalAwards=false
• 关键词: Seismological; Structure; Inner; Core; Mantle

9706171 Creager This research is to analyze seismic phase data already gathered that relate to anisotropy of the inner core and the structure of the lowermost mantle. Earlier work was instrumental in the discovery of the anisotropy of the inner core. Refinement of the structure with more data will allow more details of the velocity structure to be seen and to investigate time-dependence of models of motion of the inner core relative to the mantle. Refinement of structure in the lowermost mantle will be done using a combination of core seismic phases and ScS-S and sScS-sS differential times. ***

9706171克里格这项研究是为了分析已经收集到的与内核各向异性和最低地幔结构有关的地震震相数据。早期的工作有助于发现内核的各向异性。用更多的数据改进结构将使人们能够看到速度结构的更多细节，并研究内核相对于地幔的运动模型的时间依赖性。将使用核心地震震相和SCS-S和SSCS-SS差分时的组合来精炼最下地幔的结构。***