0


12.570 核幔边界区的构造与动力学

12.570 Structure and Dynamics of the CMB Region
课程网址: http://ocw.mit.edu/courses/earth-atmospheric-and-planetary-scienc...  
主讲教师: Sang-Heon (Dan) Shim ; Stephane Rondenay
开课单位: 麻省理工学院
开课时间: 信息不详。欢迎您在右侧留言补充。
课程语种: 英语
中文简介:
地核地幔边界(CMB)是地球深部最重要的物理和化学间断之一,它将固态对流下地幔与液态外核分离开来。在这个研讨会课程中,讲师将从地震学、矿物物理学和地球动力学的综合观点检视我们目前对中巴地区的认识。教师也将介绍最先进的方法,被用来描述的CMB地区和相关论文将在课堂上讨论。主题将包括CMB探测与地形、D”各向异性、地震速度异常(如特低速区)、温度、化学反应、相位关系、以及地核-地幔边界的矿物构造。这些结果将被整合到一起,以解决宇宙微波背景辐射在地幔和核心动力学中的基本作用。
课程简介: The Core Mantle Boundary (CMB) represents one of the most important physical and chemical discontinuities of the deep Earth as it separates the solid state, convective lower mantle from the liquid outer core. In this seminar course, the instructors will examine our current understanding of the CMB region from integrated seismological, mineral physics and geodynamical perspectives. Instructors will also introduce state-of-the-art methodologies that are employed to characterize the CMB region and relevant papers will be discussed in class. Topics will include CMB detection and topography, D'' anisotropy, seismic velocity anomalies (e.g., ultra-low velocity zones), temperature, chemical reactions, phase relations, and mineral fabrications at the core-mantle boundary. These results will be integrated to address the CMB's fundamental role in both mantle and core dynamics.
关 键 词: 核幔边界(CMB); 下地幔; 外核; 综合地震学; 矿物物理; 地球动力学; CMB探测和地形; 地震速度异常(例如超低速带); 温度
课程来源: 麻省理工学院公开课
最后编审: 2018-06-03:cmh
阅读次数: 34