节点文献
下地幔中Rs/p区域模型的形成机理、地震波速异常的起因和不连续界面的性质
Formation Mechanism of Rs/p Regional Models,Origin of Seismic Anomalies and Nature of Discontinuous Interfaces in Lower Mantle
【摘要】 从计算矿物物理学角度,较好地解释了在1000~2100km深度范围内Rs/p区域地震模型展示的异常行为,揭示了下地幔内不连续界面所处的深度存在横向变化的原因,并指明该界面具有物理界面特征.
【Abstract】 Based on the principles of Computational mineral physics,the anomalous phenomena of the seismologically observed Rs/p regional models between 1 000 and 2 100 km depths are adequately explained. The origin of the lateral variations in the depths of the discontinuous interface in lower mantle is revealed,and the interface is shown to be characterized by the features of physical interface.
【关键词】 Rs/p区域模型;
下地幔;
板块俯冲带与非板块俯冲带;
滞弹性;
相对径向粘性;
横向温度变化;
相变;
不连续界面;
【Key words】 Rs/p regional model; lower mantle; slab and non-slab subducting regions; anelastic effect; relative radial viscosity; lateral variation in temperature; phase transition; discontinuous interface;
【Key words】 Rs/p regional model; lower mantle; slab and non-slab subducting regions; anelastic effect; relative radial viscosity; lateral variation in temperature; phase transition; discontinuous interface;
【基金】 国家自然科学基金资助项目(10299040);四川师范大学科技基金资助项目
- 【文献出处】 西南大学学报(自然科学版) ,Journal of Southwest University(Natural Science Edition) , 编辑部邮箱 ,2010年09期
- 【分类号】P631.41
- 【被引频次】2
- 【下载频次】36